Menippe mercenary (15 January 1855?), Jacques Burkhardt, 1855-01-15?

Taxonomic classification: animalia--menippe mercenaria. Common name: stone crab. Date: 1855-01-15?. Dimensions: 26 x 18 cm.. Medium: watercolor on paper. Collection: Harvard University. Menippe mercenaria (15 January 1855?)