BIHANCr TILL K. SV. VET.-AKAB. HANDL. BAND 12. AFU. IV. N:0 4. 13 



The arns is bioad at tlie base, tlic margins rounded, feebly 

 tapering, thc midtb of the hinder margin is a little projecting. 

 It is broader than long (8 : 4), a little longer than the pleon, 

 and (12 : 11) as long as the last two pereional segments. Thc 

 upper surface is totally smootli, without impressions. 



The itropoda (Fl. II, fig. 26) reach a little beyond the 

 iirns. The rami are elongate ovatc; the inner ramus is as long 

 as the peduncle, a fourth shorter than the outer ramus, and 

 a little narrower. 



Colour. Bright yellowish, without spöts or bands. 



Lengtli. 29 mm. 



Hah. West coast of Africa. (S. M.) 



4. Anilocra leptosonia Bleekek, var. caudata^ n. 



The animal in question differs from Anilocra leptosoma, 

 Bleekek, by the broader head, the shorter pleon with the first 

 segment totally concealcd by thc last pereional segment, and 

 the verv long urus. 



Viryo. 

 n. III. fig. 29—38. 



The hoJij is four times longer than broad, verv convex 

 transversally. 



The liead is triangidar, truncated in front, broader than 

 long (5 : 4), and broader than half the brcdth of thc fourth 

 pereional segment (5 : 9). 



The eties are very large, distant by less than a third of 

 thc bredth of the head. 



The first pair of untemuv (1'1. Jll, fig. ol) are eight-jointed, 

 the peduncle is distinct, threejointcd, the third joiut is the long- 

 est, projecting into an broad process anteriorly; the tlagcllum, 

 is iive-jointed, the first joint is much the longcst, all carrying 

 rainute hairs. 



Thc necond pair (Pl. 111, lig. ol) are cight-jointcd, the iirst 

 joint thick, almost inllatcd, thc sixth joint thc longcst. They 

 are much longer than the Iirst pair, and leach almost to the 

 anterior margin of thc sccond pereional segment. 



The lahruni is prominent, thick, rounded below. 



Thc mandihles (Pl. 111, fig. 32) are small, narrow, thc frec end 

 bent inwards, they end in a long hollowed tooth. The palp is very 



