STALK-EYED CRUSTACEA 317 



it covers the sternum at the base between bases of last 

 pair of legs. 



Range. — Atlantic and Indo-Pacific regions ; in deep 

 water. 



I. Ebalia stimpsonii. 



Ebalia stimpsonii . . A. Milne Edwards. 



Carapace hexagonal, covered with flat and very close 

 granulations, larger on the posterior part ; front notched. 

 Posterior cardiac lobe prominent and surrounded by a 

 deep groove. The latero-posterior borders have a lobi- 

 form dilatation on a level with the anterior cardiac groove. 

 The posterior border terminates laterally in lobiform 

 and round angles. First pair of legs very long, entirely 

 covered with granulations like those on the carapace. 

 Walking legs small, with finer granulations. Under 

 surface granular. 



Range. — Barbados. 



5. Persephona. 



Persephona . . . Leach, H. Milne Edwards, Dana, 



Bell, Miers. 

 Gtiaia .... H. Milne Edwards. 



Resembles Myra, except the carapace is more 

 depressed and orbiculate, the internal antennae are 

 more transversely plicated, and the legs are more robust. 

 The external appendage of the external maxillipedes 

 is narrow, and has a straight external border, not 

 arcuated and slightly dilated at the base. Ulyra (Leach). 

 — Carapace dorsally very convex, and more or less 

 distinctly granulated, with the lateral margins regularly 

 arcuated ; it has three posterior spines (the median one 



