216_ 



short, though composed of the normal number of joints. Posterior antennae 

 likewise short and stout, distinctly prehensile. Maxillae not examined. Anterior 

 maxillipeds of quite normal structure. Posterior maxillipeds, however, rather 

 unlike those in other female Lichomolgidce, the propodal joint being consider- 

 ably dilated and the dactylar joint claw-like. Natatory legs with the rami com- 

 paratively short and stout, and having all the spines very strongly developed; 

 inner ramus of 4th pair very short, uniarticulate, with 2 apical spines. Last 

 pair of legs represented on each side by a small, but well defined bisetose joint. 

 Remarks. This new genus is established, to include a small Licho- 

 molgid, which I have found it impossible to range within any of the other 

 genera, though it exhibites some affinity both to the genus Macrocheiron and 

 to Pseudantessius. With the latter genus it agrees in the structure of the 4th 

 pair of legs, the inner ramus of which is uniarticulate; but the last pair of 

 legs are rather different, having a well defined bisetose joint, as in most other 

 Lichomolgidae. In the structure of the genital segment and of the posterior 

 maxillipeds it differs conspicuously from any of the other genera. 



Lichomolgella pusilla, G. O. Sars, n. sp. 



(PI. CXVIII, fig. 1). 



Specific Characters. Female. Body moderately slender, with the 

 anterior division oval in outline, greatest width equalling about 2 /a of the length 

 and occurring in the middle. Cephalic segment very large, occupying almost 

 half the length of the body, and exhibiting near the middle a fainte arcuate 

 transverse suture. The 3 succeeding segments rapidly diminishing in size, and 

 having the lateral parts evenly rounded off. Last trunkal segment very small. 

 Tail rather short, not nearly attaining half the length of fhe anterior division; 

 genital segment comparatively large, exceeding in length the remaining part 

 of the tail, and exhibiting on each side, at some distance from the end, an 

 angular corner; ventral lappets each tipped by a slender seta pointing obliquely 

 outwards; the 3 succeeding segments subequal in size, and fully twice as broad 

 as they are long. Caudal rami very short, being scarcely longer than the anal 

 segment; seta of outer edge attached about in the middle; apical setae partly 

 brocken in the specimen examined. Anterior antennae unusualy short and 

 stout, but composed of 7 well-defined joints clothed with slender setae. Post- 

 erior antennae about the length of the anterior ones, and rather strongly built; 

 2nd joint considerably longer than the outer 2 combined, and projecting at the 

 end behind in a rounded corner; penultimate joint very short and armed at 



