292 DISCOVERY REPORTS 



Family BRACHYSCELIDAE 



Stephensen, 1925 a, p. 171. 



Genus Brachyscelus, Bate. 

 Stephensen, 1925 a, p. 172. 



Brachyscelus crusculum, Bate. 



Stewart, 1913, p. 262. 

 Chevreux and Fage, 1925, p. 427, fig. 418. 

 Stephensen, 1925 a, p. 172, chart 26. 

 Spandl, 1927, p. 210. 



Occurrence: 1. St. 83. South-east Atlantic. 1 ovig. $ 1 7 ram. 



2. St. 89. South-east Atlantic. 3 ovig. $$ 15-16 mm. 



3. St. 101. South-east Atlantic (350-400-0 m.). 1 ? 17 mm. 



4. St. 257. South-east Atlantic. 1 c? 14 mm. 



5. St. 267. South-east Atlantic (450-550-0 m.). 1 c? 17 mm. 



6. St. 273. Portuguese West Africa. 4^ 13-14 mm., 5 $? 14-16 mm. (ovig. and 

 with embryos). 



7. St. 276. East mid-Atlantic. 2 $<$ 13 mm., 4 $$ 9-14 mm., 1 ovig. $ 16 mm. 



8. St. 286. East mid- Atlantic. 1 $ 15 mm. 



9. St. 296. East mid-Atlantic. 1 S 15 mm., 1 $ 14 mm., 1 $ 20 mm. 



Distribution. Mediterranean; Atlantic, 51 N-32 S; North Pacific. 



Brachyscelus rapax, Claus (PI. I, fig. 7). 

 Claus, 1887, p. 59, pi. xvii, figs. 1-8. 



Occurrence: St. 25 47' S, 14 48' W. 3 ?? 6-5 mm. 



Description. Telson apically rounded. 



Gnathopods 1 and 2, 5th joint without projection overhanging base of 6th joint, 

 distal margin with one tooth, lower margin with three teeth, not including the apical 

 tooth, lower margin in gnathopod 1 in addition finely serrulate, 6th joint with three 

 teeth on inner margin. 



Peraeopods 1-3, margins of all joints smooth. Peraeopod 4, anterior margin of 4th 

 joint smooth, of 5th and 6th pectinate. Peraeopod 5, 2nd joint pyriform, subequal to 

 the following joints together. 



Uropod 1, rami longer than peduncle, inner ramus lanceolate, broader than outer 

 ramus. Uropod 2, outer ramus about as long as peduncle, inner ramus considerably 

 longer, ovate lanceolate. Uropod 3, inner ramus considerably longer than outer, ovate 

 lanceolate. 



Remarks. Note 12 accompanying a coloured sketch from life says: "The brilliant 

 iridescent colouring, produced by the physical properties of the surface, is backed by 

 deeply pigmented chromatophores". 



Distribution. Cape of Good Hope (Claus). 



