ORCHESTIA MEDITERRINEA. 



31 



AMPniPODA. 



SALTATOBIA. 



ORCHESTIIDjE. 



ORCHESTIA MEDITERRANEA. 



Specific Character. — Male. — Second pair of gnathopoda having tlie pro- 

 podos broad posteriorly, and gradually tapering to a point anteriorly ; palm 

 very oblique, smooth, occupying nearly the whole of the inferior margin ; pos- 

 terior pair of pereiopoda having the merofs and carpus broad in mature adults. 



Female. — First pair of gnathopoda having the propodos long and cylin- 

 drical : the palm short ; the inferior angle but slightly tuberculated. 



Length of full-grown males about y of an inch. 



0. mediterranea, 



0. littorea, 



0. littorea, var., 

 0. Icevis, 



Costa, Rend, dell, Accad. Sci. Napoli, p. 171, 1853. 



Spence Bate, Cat. Amph. Brit. Museum, p. 24, pi. 



iv. fig. 6. 

 Milne-Edwards, Ann. Sc. Nat. t. 20, Hist, des Crust. 



iii. p. 16, Regne An., Edit. Crochard, Crust, pi. 59, 



f. 3 (males), fig. 2 b-2 j (details). Rathke, Fauna 



der Krym, t. 5, fig. 1-6. Lucas, Exped. dans 



I'Algerie. 

 White, Hist. Brit. Crust, p. 163. 

 Spence Bate, Ann. Nat. Hist. 2nd ser. 1857, xix. 



p. 136. White, Cat. Brit. Mus. Crust, p. 48. 



