495 



of pereopods VII is twice longer than wide; the distal segments together 

 are slightly shorter than the 2nd; the 4th segment is shorter than the 5th, 

 unlike in the preceding species. 



The last urosomite is 1.5-1.7 times wider than long. The basipodite 

 of uropods I is shorter than the rami and in uropods II approximately 

 equal to the exopodite. The endopodite of uropods III is almost not 

 broadened. The telson has a rounded tip, is equal to or slightly longer 

 than the last urosomite, and its length equal to its width at the base. 



Distribution: Known from the Atlantic (Cape of Good Hope), Indian 

 (Bay of Bengal), and Pacific (eastern equatorial part. New Zealand) 

 oceans, and the Mediterranean Sea. 



4. Brachyscelus macrocephalus Stephensen, 1925 (Fig. 216) 



Stephensen, 1925a: 177. 



Length of specimens 5-6 mm. 



The head is very large, in females its length equal to that of the 

 pereon and its height more than its length; in males it is relatively less 

 smoothly rounded anteriorly. Antennae the same as in B. crusculum. 



The structure of pereopods I and II has been described by Stephensen 

 (1925a, p. 177) thusly: "The 3rd segment of pereopods I on the posterior 

 margin bears 10 setae; the 4th segment has four setae. The 5th segment 

 is much broader than long, the upper angle (galeiform process) is notice- 

 able but not distinctly developed. The distal process of the 5th segment 



? Pr ^n 



Fig. 216. Brachscelus macrocephalus Stephensen (after Stephensen, 1925a). 



