40 



ORCHESTIIDjE. 



AMP HIP OD A. 



SALTATORIA. 



ORCHESTIID^E. 



ALLORCHESTES NILSSONII, Rathke. 



Specific character. MALE. Superior antennas as long as the peduncle of 

 the inferior. Inferior antennae one-third the length of the animal. Second 

 pair of gnathopoda larger than the first. Propodos ovate, large, with convex 

 palm and an obtuse point at the inferior angle. 



Length ^ of an inch. 



A mphithoe Nilssonii RATHKE, Beit, zur Faun. Norv. in Nov. act. xx. p. 



264 c. 

 ,, Prevostii ,, 1. c. p. 81, pi. 4, fig. 5 (not of 



MILNE EDWARDS). LILJEBORG, in Ofvers. af 



Kongl. Vetensk. akad. Forhandl. 1851, p. 22. 

 Allorchestes Nilssonii, BRUZELIUS, Bidrag. till Kam. om Skand. Amph. 



Gam. p. 35. SPENCE BATE, Cat. Amp. Brit. Mus. 



p. 38, pi. vi. fig. 4. 

 ,, Danai, SPENCE BATE, Rep. Brit. Assoc. 1855, p. 57. Ann. 



Nat. Hist. Feb.' 1857. WHITE, Hist. Brit. Crust. 



1858, p. 163. 



