22 



THE VOYAGE OF H.M.S. CHALLENGEE. 



1762. DeSMARS. 



Melanges d'liistoire naturelle. 1762. 



From tome i. pp. 217, &c., of this work, LatreiUe, in his Histoire naturelle, vol. vi. pp. 305-310 

 (1803), gives a long quotation, fully describing Gammarits pulex under the designation of 

 Ckqwrte aquatique. A reference to some of Desmars' observations will be found also in the 

 Brit. Sess. Crust., vol. i. p. 396. 



1762. Geoffeoy, Etienne Louis, born 1727 (1725), died 1810 (Hagen). 



Histoire abrdgee des Insectes, qui se trouvent aux environs de Paris ; Dans 

 laquelle ces Animaux sont ranges suivant un ordre methodique. A Paris, m.dcc.lxii. 

 (Tliis edition is anonymous. The work was published with the author's name in 

 1764.) 



In the second volume, under " Cancer, Le Crabe," Geoffroy gives two species, the first beinj; 



I'ecrevisse {Astacus fluviatilis), well known in France as an ai'ticle of food. The second he 



thus describes, pp. 667-668 : — 

 " 2. Cancer macroiirus rufescens, thorace articulato. Linn. faun. suec. n. 1253. Planch. 21, 



fig. 6. 



P/.XXI 



Fig. 8. 



" Linn. syst. nat. edit. \0, p. 631, n. 56. Cancer macrourus articularis, manibus adactylis, cauda 



attenuata spinis bifidis. 

 " Raj. ins., p. 44. Pulex iiuviatilis. 



" Friseh. germ. T,p. 26, t. 18. Vermis aquaticus cancriformis. 

 " Iter Oeland. 42, 96. Cancer pulex fluviatdis dictus. 

 " Charlet. exercit. p. 57. Squilla. 



