40 STALK-EYED CRUSTACEA 



Synopsis of the Species. 



A. The rostral horns have their terminal half forked. 

 Spine on antero-external end of basal joint of external 

 antennae well developed. — (A. fiircillatiis.) 



B. The rostral horns have their tips close together. 

 Spines on antero-external end of basal joint of external 

 antennae small. — {A. frontalis.) 



I. Anomalothir furcillatus. 



AnonialotJiir furciUatus . Stimpson. 

 Anonialop7is furcillatus . A. Milne Edwards. 



Carapace minutely pubescent, unarmed, except in 

 front; regions scarcely defined. Rostrum equalling in 

 length two-thirds that of the postfrontal part of the 

 carapace, forked at the terminal half of its length ; horns 

 but slightly divergent. External antennae shorter than 

 rostrum ; flagellum as long as the two preceding joints 

 taken together. Internal antennae reaching to the 

 extremity of the peduncle of the external antennae. 

 Basal joint of the external antennae, smooth below, 

 terminates outside in a small spine. 



The first pair of legs is not much developed ; the 

 arm is long and almost cylindrical ; the forearm has 

 outside a small spine ; the hand is slightly swollen ; the 

 fingers are in contact at their tips when closed. The 

 terminal joint of the last pair of legs but one is large, 

 curved and formed for holding ; these legs are the 

 shortest. 



Range. — Dominica, St. Vincent, Grenada, Santa 

 Cruz. 



