MICRODEUTOPUS ANOMALUS. 



293 



AMPHIPODA . 

 NATATORIA. 



GAMMARIDES. 



MICRODEUTOPUS ANOMALUS. 



Spedjic character. First pair of gnathopoJa large but uiianned. Last 

 pair of legs remarkably long. 

 Length \ inch. 



Gammarus anomalas. 



Microden toims anomalus. 

 Lembos Cambriensis. 



Rathkb, Nova Acta Leop. p. 63, tab. iv. fig. 7, 



1843. LiLjEBORG, Ofvers. af Kongl. Vet. 



Akad. Forhandl. 1854, p. 457. 

 Spence Bate, Cat. Amph. Brit. Mus. p. 164, 



pi. XXX. fig. 3. 

 Si'ENCE Bate, Rep. Brit. Assoc. 1855, p. 58. 



Ann. Nat. Hist. 2 ser. xix. p. 142, 1857. 



White, Pop. Hist. Brit. Crust, p. 180. 



The eyes in this species are black, of a long-oval form, 

 and planted obliquely in the head. The superior antennae 

 are about half the length of the animal, and furnished 

 with a secondary appendage consisting of four minute 

 articuli. The inferior antennae are about one-third 

 shorter than the superior ; but the peduncle is quite as 

 long as that of the superior. The first pair of legs have 

 the wrist shorter than the hand but not broader. The 

 hand is of a long-oval form ; the palm is convex, and 

 is continuous with the inferior margin, without its limits 



