290 



claw is about 1/5 the length of the 6th segment; the anterior margin of the 

 6th segment in pereopods V-VI is finely denticulate. Pereopods VII have 

 a characteristic shape: the 2nd segment is as broad as in pereopods VI, the 

 same length as in pereopods V, and proximally very convex anteriorly; the 

 posterior margin is uniformly convex with a small round distal lobe not 

 quite extending beyond the base of the 3rd segment; the 3rd-5th segments 

 together are 1/4 the length of the 2nd segment; the 3rd segment is the 

 largest and the 5th segment bud-shaped and without ornamentation; the 

 anterior margin of the 3rd and all margins of the 4th segment bear minute 

 spinules; a group of similar spinules occurs in the distal angle of the 2nd 

 segment. 



The pleon is equal in length to somites IV-VII of the pereon. Somite 

 III of the pleon is the most massive. The posterior distal angles of the 

 epimeral plates are acute but not stretched backward. The urosome is 

 slightly shorter than the last two somites of the pleon; urosomites II 

 and III are almost completely separated, the border absent only in the 

 middle of the dorsal side; moreover, urosomite III is almost equal in 

 length to urosomite I, urosomite II somewhat shorter; the posterior lat- 

 eral angles of the urosome do not project backward. The telson is broadly 

 rounded, its length slightly less than its width at the base. The uropods 

 are relatively short; uropods I and III terminate at the same level while 

 uropods II are barely shorter. The basipodite of uropods I broadens dis- 

 tally, is twice longer than wide, and in the distal half of the outer mar- 

 gin finely denticulate; the rami are equal in length, 2/3 the length of 

 the basipodite, their margins finely denticulate (except the proximalmost 

 parts). The basipodite of uropods II extends to the end of the basipodite 

 of uropods I and is twice longer than wide; the rami are equal in length; 

 the exopodite has finely denticulate margins except for the outer. The 

 basipodite of uropods III is slightly broadened distally, has convex mar- 

 gins, and is as long as its maximum width; the endopodite is slightly 

 longer than the exopodite, its length equal to that of the basipodite; the 

 margins of the rami are very finely denticulate. 



Distribution: This species has only been found in the Atlantic Ocean: 

 in the southern part of the Bay of Biscay, environs of the Canary and 

 239 Azore islands, and vicinity of Rio-de- Janeiro. The deep-water nature of 

 V. alberti was presumed (Chevreux, 1905) because most of the findings 

 occurred in catches at a depth of 1,000 m or more. However, the largest 

 specimens (17 and 19 mm) were caught in the surfacial zone. 



3. Genus Cyllopus Dana, 1853 



Dana, 1853: 990; Stebbing, 1888: 1296; Bovallius, 1889: 3; Barnard, 

 1930: 405; Bowman and Gruner, 1973: 25. 



