STALK-EYED CRUSTACEA 319 



I. Persephona punctata. 



PersepJiona punctata ..-.,. Stimpson, Kingsley, 



Miers. 



PersepJiona guaia Bell. 



Cancer punctatiis Brown, Linne. 



Guaia punctata H. Milne Edwards. 



Carapace regularly curved, and covered with small 

 granulations, somewhat separated from each other; front 

 bi-lobed ; lateral borders of the carapace ornamented with 

 small points ; a strong conical and horizontal spine upon 

 the inferior part of the intestinal region, and two others 

 a little above, at the extremity of the posterior border, 

 which is granular. Pterygostomian regions swollen, with 

 a small tubercle directed outwards. First pair of legs 

 strong; about of a size in both sexes; fourth joint 

 granular, hand slightly granular on the superior border. 

 Remaining legs smooth, with the last joint styliform 

 and grooved. 



Colour yellow, with red spots. 



Range. — West Indian Sea, Bahia ; in shallow water. 



2. Persephona latreillii. 



PersepJiona latreilJii . . H. Milne Edwards, Leach, 



Desmarest. 



Anterior part of the carapace gradually and obtusely 

 dilated ; covered with granulations ; three equal curved 

 spines posteriorly. Fourth joint of first pair of legs 

 tuberculous. 



Range. — West Indian Sea. 



