414 STALK-EYED CRUSTACEA 



robust, with or without spines. Eyes devoid of pigment, 

 with the peduncle in some cases prolonged beyond the 

 cornea. Antennal peduncle of moderate width. Anterior 

 abdominal segments, as a rule, transversely carinated. 

 Eggs few in number and of large size. 

 Range. — DeejD seas. 



Synopsis of the Species. 



A. No transverse keels on abdominal segments. 



a. Rostrum short. The projection on the inside of 

 the cornea resembles a second cornea. — (E. squanwsus?) 



B. Transverse keels on abdominal segments. 



b. Second and third segment keeled. 



b^. The rostrum is wide, with parallel sides for a great 

 part of its length, long, and terminates in a sharp point. — 

 {E. ahdominalis?) 



c^. The rostrum is contracted at its base, wide in the 

 middle, and terminates in a long spine. — (£". arniatus.) 



c. Second, third, and fourth abdominal segments keeled. 

 d}-. Rostrum wide, partly hiding the eyes ; upper 



surface granular ; extremity obtuse. — {^E. longiviamis^ 



I. Elasmonotus squamosus. 



Elasnionotiis squainosiis . . A. Milne Edwards and 



Bouvier. 

 OropJiorhyncJius squamosus . A. Milne Edwards. 



The carapace is short, massive, and covered with groups 

 of granulations resembling prominent and thick scales. 

 The lateral edges are unarmed. The rostrum is short. The 

 eyes are immovable. The projection on the inside of the 

 cornea resembles a lateral cornea. The first pair of legs are 

 short; the hand is compressed, and rough; the arm and 

 forearm have spines and tubercles. The walking legs are 



