358 



fl,.-. This is another of the species referred by Th. Scott to the 

 genus Bi'iiih/n of Boeck. though scarcely corresponding to the diagnosis given 

 In Boeck of that genus. In its external appearance the present form looks very 

 like a true H-fi>i<>.>ni : hut the structure of the antenna- and oral parts proves 

 it in reality to be a memher of the intermediate genus /'>< n<lnlir<iili/n. 



Occur ft ncf. Some few specimens of this form, all of the female sex, were 

 found in samples taken at Farsund from moderate depths. 



Distribution. Scottish coast (Scott). 



Pseudobradya robusta, G. 0. Sars, n. sp. 



(Snppliu. I'l. 5). 



>/.. i-'ijir Characters. Female. Body considerably more robust tljan in 

 any of the other species, and somewhat fusiform in shape. Cephalic segment 

 comparatively large, exceeding in length the 4 [succeeding segments combined, and 

 gradually contracted in front, rostral projection of moderate size and obtuse at 

 the tip. Urosome not nearly attaining the length of the anterior division, and 

 having the last segment not much shorter than tin- preceding one. Caudal rami 

 comparatively short, being scarcely longer than they are broad, and each produced 

 at the end above to a short triangular lappet, from which a distinct carina ex- 

 tends along the dorsal face of the ramus inside the middle ; apical set* rather 

 slender, the inner medial one exceeding half the length of the body. Anterior 

 antennae very small, 6-articulate. Posterior antenna.' with the distal joint com- 

 paratively short and stout, outer ramus of moderate size and 3-articulate, with 

 the first 2 joints very small. Mandibles and maxilla 1 of normal structure. An- 

 terior maxillipeds more fully developed than in the 2 preceding species, 2nd basal 

 joint considerably prolonged, spines of terminal part claw-like. Posterior max- 

 illipeds with the middle joint somewhat dilated, terminal joint, as usual, short 

 and armed with .'i unequal spinilorm seke. the innermost of which is the shortest. 

 Natatory legs on the whole of normal structure, inner ramus in 1st pair a little 

 longer than outer, in the other pairs conspicuously shorter, terminal joint of outer 

 ramus in the tirst 2 pairs with .'5 spines outside, in the k j posterior pairs with 

 only "2 such spines Last pair of legs very large, with all the marginal seta 1 

 long and slender, distal .joint comparatively broad and some\\hat spatulate in form, 

 it- end lather regularly trilobate, with the middle seta the longest, the other 2 

 of about equal length, inner expansion of proximal joint less narrow than in the 

 2 preceding species, and extending somewhat beyond the middle of the distal 

 joint, its base crossed by an obliquely transverse row of spinules, apical seta) 



