Trigonocephalus formosus, Hermann Schlegel, between 1839 and 1844

Trigonocephalus formosus is a species of snakes beloging to the family viperidae. Date: between 1839 and 1844.

Author: Natuurkundige commissie in Nederlandsch-Indië. Draughtsman: Hermann Schlegel. Engraver: Jean Matthieu Kierdorff (Paris, 1803 - 1882)Source: https://commons.wikimedia.org/

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trimeresurus sumatranus verhandelingen over de natuurlijke geschiedenis der nederlandsche overzeesche bezittingen. zoölogie collections of naturalis leiden hermann schlegel