40 
ORCHESTIIDvE. 
AMPHIPODA. 
SALTATORIA. 
ORCHESTIIDVE. 
ALLORCHESTES NILSSONII, Rathke. 
Specific character. — Male. Superior antennse 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 2 4 n of an inch. 
Amphithoe Nilssonii 
,, Prevostii 
Allorchestes Nilssonii , 
Rathke, Beit, zur Faun. Norv. in Nov. act. xx. p. 
264 c. 
,, ,, 1. c. p. 81, pi. 4, fig. 5 (not of 
Milne Edwards). Liljeborg, in Ofvers. af 
Kongl. Vetensk. akad. Forhandl. 1851, p. 22. 
Bruzelius, Bidrag, till Earn, om Skand. Amph. 
Gam. p. 35. Spence Bate, Cat. Amp. Brit. Mus. 
p. 38, pi. vi. fig. 4. 
Spence Bate, Rep. Brit. Assoc. 1855, p. 57. Ann. 
Nat. Hist. Feb. 1857. White, Hist. Brit. Crust. 
1858, p. 163. 
Danai , 
