983 Free Images of Jacques Burkhardt

jacques burkhardt scientific drawings harvard university watercolor on paper 1865 in art pencil on paper watercolor paintings turtles in art emys 1852 in art heros efasciatus

Turtle on grass (side view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings turtles in art

Mactra solidissima (Nahant, Mass., August 1854), Jacques Burkhardt, 1854-08-??

jacques burkhardt scientific drawings mactra

Pristis perrotteti (Para, Brazil, 14 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Hemipholis (Charleston, South Carolina, 13 March 1852), Jacques Burkhardt

jacques burkhardt scientific drawings 1852 in art

Microsternarchus bilineatus (Lago Maximo, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings watercolor on paper

Heros efasciatus (Gurupa, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Chrysemys oregonensis (top view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings chrysemys picta bellii

Buccinum trivittatum (Nantucket, Mass., 30 August 1847), Jacques Burkhardt

jacques burkhardt scientific drawings illustrations of snails

Turtle (bottom view) (Cambridge, Mass., June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings turtles in art

Vandellia? (Lake January, Brazil, 20 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Dolphin? (bottom and side views) (Cambridge, Massachusetts, 31 December 1849), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Sternopygus astrabes (Teffe, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

Serranus (Florida, June 1860), Jacques Burkhardt, 18 June 1860

jacques burkhardt scientific drawings watercolor on paper

Fish anatomical cross section (New York, N.Y., 1848), Jacques Burkhardt, 1848-??-??

jacques burkhardt scientific drawings watercolor on paper

Bryozoa and anatomical parts (Tortugas, Florida, 31 March 1858), Jacques Burkhardt

jacques burkhardt scientific drawings bryozoa

Tima formosa (Boston, Mass., 17 May 1859), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Unidentified amphibian (June 1869; top view and bottom view), Jacques Burkhardt, 1869-06-??

jacques burkhardt scientific drawings watercolor on paper

Tetragonopterus, Jacques Burkhardt, 19 May 1865

jacques burkhardt scientific drawings watercolor on paper

Atherina, Jacques Burkhardt, 2 May 1865

jacques burkhardt scientific drawings watercolor paintings

Cichla n.sp. (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus (Porto de Mos, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Turtle (top view) (Cambridge, Mass., June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings turtles in art

Turtle on grass (side view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings turtles in art

Crabs (10 April 1851; 3 specimens), Jacques Burkhardt, 10 April 1851

jacques burkhardt scientific drawings crabs in art

Farlowella sp. (Teffe, Brazil, 5 and 8 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Sternopygus macrurus (Teffe, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

Alcyonidium (Charleston, South Carolina, 2 December 1851), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Turtle (top view) (Cambridge, Mass., May 1852), Jacques Burkhardt, 1852-05-??

jacques burkhardt scientific drawings turtles in art

Needlefish (Lake Erie, Buffalo, New York, February 1854), Jacques Burkhardt, 1854-02-??

jacques burkhardt scientific drawings watercolor on paper

Turtle on grass (side view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings turtles in art

Copella sp. and Pyrrhulina sp. (Lake January, Brazil; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Uaru amphiacanthoides (Lago Maximo, Brazil; adult), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Emys pseudogeographica (side view of turtle and top view of head) (Washington, Mississippi, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Cichla monoculus (Teffe, Brazil, 25 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Arraia (Teffe and Maues, Brazil, 18 October, 17 December and 19 December 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Brachyplatystoma vaillantii (Belem, Para, Brazil, 14 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Myleus sp. and Mylossoma aureum (Teffe, Brazil, 11 October 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings myleus

Mylossoma aureum (Teffe, Brazil, 14 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings mylossoma

Anadoras grypus (Teffe, Brazil, 26 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Turtle (side, bottom and top views) (White Bear Lake?, near St. Paul, Minnesota, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Emys picta (anatomical part) (three views) (Boston, Mass., 30 June 1847), Jacques Burkhardt

jacques burkhardt scientific drawings emys

Heros efasciatus (Lake January, Brazil, 27 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Crenicichla saxatilis (Tajapuru, Brazil, 21 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Mylossoma aureum (Monte Alegre, Brazil, 25 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings mylossoma

Crenicichla saxatilis (Teffe, Brazil, 10 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Geophagus proximus (Teffe, Brazil, 12 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Geophagus brasiliensis (Rio de Janeiro, Brazil, 19 May 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Hammerhead (Rio de Janeiro, Brazil, 12 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Emys insculpta (anatomical part) (three views) (Boston, Mass., 21 June 1847), Jacques Burkhardt

jacques burkhardt scientific drawings emys

Crenicichla saxatilis (Lake January, Brazil, 16 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Crenicichla johanna (Teffe, Brazil, 6 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Layia clathrata and two anatomical cross sections (Charleston, South Carolina, 26 January 1852), Jacques Burkhardt

jacques burkhardt scientific drawings 1852 in art

Calophysus macropterus (Rio Solimoes, Brazil, 15 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Ophiolepis elegans and unidentified specimen (Charleston, South Carolina, 30 January 1852), Jacques Burkhardt

jacques burkhardt scientific drawings ophiolepis

Cistudo (top view) (Middleboro, Mass., June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings 1852 in art

Heros efasciatus (Teffe, Brazil, 15 October 1865; light green), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Laetacara thayeri (Lake January, Brazil, 16 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Astronotus ocellatus (Teffe, Brazil, 4 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Crenicichla lacustris (Rio Parahiba, Brazil, 27 April 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Emys concinna (side view of turtle and three views of its head) (December 1855), Jacques Burkhardt, 1855-12-??

jacques burkhardt scientific drawings emys

Cetopsis candiru (Solimoes, Brazil, 15 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Brachyplatystoma rousseauxii (Teffe, Brazil, 5 September 1865; gray and yellow), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Sphyraena (Rio de Janeiro, Brazil, 18 July 1865) 2, Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Zygona tiburo (Rio de Janeiro, Brazil, 4 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Trachinotus (Rio de Janeiro, Brazil, 21 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Scomberoides (Rio de Janeiro, Brazil, 26 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Halichoeres sp. (Rio de Janeiro, Brazil, 1 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Distocyclus conirostris (Teffe, Brazil, 17 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Jacunda piranga (Teffe, Brazil, 26 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Leporinus (Pirahy Bar, Brazil, 27 April 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Satanoperca lilith (Manaus, Brazil, 23 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Meletta (Rio de Janeiro, Brazil, 19 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Satanoperca jurupari (Teffe, Brazil, 16 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Porichthys sp. (Rio de Janeiro, Brazil, 10 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Trachinotus (Rio de Janeiro, Brazil, 5 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Julis (Cossyphus) (Rio de Janeiro, Brazil, 1 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Satanoperca acuticeps (Manaus, Brazil, 17 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Sparidae (Rio de Janeiro, Brazil, 13 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Cichla monoculus (Manaus, Brazil, 5 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Hypostomus emarginata (Tajapuru, Tonantins; Sao Paulo, Brazil; 17-18 September 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings hypostomus

Laetacara thayeri (Manaus, Brazil, 13 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Laetacara curviceps (Lago Jose Assu, Brazil, 29 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Cichla n.sp. (Lake Jose Assu, Brazil, 30 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Catfish (Monte Alegre, Manaus, Cachimbo, Brazil, August-September 1865; 3 genuses), Jacques Burkhardt, 6 September 1865

jacques burkhardt scientific drawings 1865 in art

Turtle shell (top view) (2 September 1852), Jacques Burkhardt, 2 September 1852

jacques burkhardt scientific drawings turtles in art

Kinosternon odoratum (top view), Jacques Burkhardt

jacques burkhardt scientific drawings kinosternon

Aulus Oken (Nahant, Mass., 3 July 1863), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Pandora trilineata (East Boston, Mass., 21 June 1848), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Turtle (top view and cross section of head) (June 1854), Jacques Burkhardt, 1854-06-??

jacques burkhardt scientific drawings turtles in art

2 cichlids (Teffe and Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Laetacara thayeri plus man's portrait (Teffe, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Chrysemys dorsalis (bottom view) (Louisiana, 1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings chrysemys

Rineloricaria sp. (Teffe, Brazil, 11 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Alosa tyrannus (Mystic River, Mass., June 1869), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Emys picta (top view) (Cambridge, Mass., May 1854), Jacques Burkhardt, 1854-05-??

jacques burkhardt scientific drawings emys

Turtle (top view) (May 1852), Jacques Burkhardt, 1852-05-??

jacques burkhardt scientific drawings turtles in art

Panulirus argus (Boston, Mass., August 1860) (5 drawings), Jacques Burkhardt, 1860-08-??

jacques burkhardt scientific drawings pencil on paper

Crenicichla marmorata (Lago Maximo, Brazil; green and red), Jacques Burkhardt

jacques burkhardt scientific drawings crenicichla marmorata

Emys rubriventris (top view) (Washington, D.C.), Jacques Burkhardt

jacques burkhardt scientific drawings emys

Sternopygus macrurus (Lake January, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

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