ORCHESTIA MED1TERRANEA. 



31 



AMPIIIPODA. 



SALTATORIA. 



ORCHESTIID^E. 



ORCHESTIA MEDITERRANEA. 



Specific Character. Male. Second pair of gnatliopoda having the 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 meros 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 i of an inch. 



0. mediterranea, 



0. littorea, 



0. littorea, var., 

 0. Ice vis, 



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



SPENCE BATE, Cat. Amph. Brit. Museum, p. 24, pi. 



iv. fig. 5. 

 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). RATH KB, Fauna 



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



1'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. 



