MONOCULODES CARINATUS, 



\MPH1PODA. 

 NATATOR1A. 



165 



l> 11 OXIDES. 



C ^ 



MONOCULODES CAR1NATUS. 



Specific character. Body having the last two segments, and the tail having 

 the first thi-ee segments, dorsally raised into a keel, increasing in size poste- 

 riorly, and ending abruptly in each segment. 



Len<?th A inch. 



IVestwoodea carinata. 

 /\ 1-ni/era carinata. 



SPENCE BATE, Brit. Assoc. Rep. 1855, p. 58 

 SPENCE BATE, Synop. Ann. Nat. Hist. Feb. 1857, 



2 ser. xix. p. 140. 

 Monoculodes carinalus. SPEKCE BATE, Cat. Crust. Brit. Mus. p. 104 



THE head is considerably produced anteriorly, and 

 much deflexed. The eye is long-oval, deeply seated, 

 and rather dimly defined, lying in a plane correspond- 

 ing with the dorsal surface. The superior pair of an- 

 tennae do not reach further than the extremity of the 

 peduncle of the inferior pair ; their peduncle reaches a 

 little beyond the anterior extremity of the head ; and 

 the flagellum is about the length of the peduncle. The 

 inferior pair of antennas are about one-third the length 



