420 



with the outer ramus more than twice as long as the inner, and having a well- 

 de\eh>p.'d veta iii^id"' tin.- middle joint, inner ranius without any seta inside the 

 l>t jnint, that of -4th pair distinctly ."-articulate. Last pair of legs with the distal 

 j.iint well ddincd and broadly oval in 1'onn, with 5 thin set;e issuing from the 

 -Mmewhat obliquely truncated apex; inner expansion of proximal joint only slightly 

 produced. and carrying 4 slender seta-. Ovisac oval, flattened, and containing only 

 a limited number of o\a 



.!////. dilVering only slightly from female, though having the anterior an- 

 tenna- transformed in the usual manner. 



( 'uloiir not yet ascertained. 



Length of adult female 0.86 mm. 



//( //">//>.- This form was first described by A. Scott in the above-quoted 

 pap-T. and was erroneously referred by him to the genus Normanella of Brady, 

 to which genus it in reality has only a very remote affinity. On the other hand, 

 it is evidently closely allied to Mesochra jMnchitoshi of Th. Scott, though apparently 

 distinct. 



/ /> nee. Several specimens of this form were found in samples taken last 

 Bummer at Korshavn from a depth of from 30 to 50 fathoms, coarse sandy bottom. 



Distribution. lAveTpoo] Bay (A. Scott), Scottish coast (T. Scott). 



Leptomesoehra tenuieornis, G. 0. Sars, n. sp. 



(Suppl. J'l. 42). 



i- Chiiruct' >*. J'"<'ninlr. Body somewhat less slender than in the 

 preceding speeio. though of a similar narrow cylindrical form. Cephalic segment 

 e\eeedin.n in length the 2 succeeding segments combined; rostral pro- 

 almost obsolete. Urosome not attaining the length of the anterior 

 di\i-ion and -.li-htly tapered behind, with the segments minutely spimdose at the 

 hind eil-e- Centrally, last segment much smaller than the preceding one. Caudal 

 raim short. heiii.L,' scarcely longer than they are broad, apical seta 1 rather elongated. 

 the inner medial one exceeding a / "' f' K ' h'n.^th of the body and somewhat 

 thick. 'iied in its proximal part, outer medial seta \ cry distinctly spinulose outside. 

 Ant'-i ior antenna' exeeedin.ulx -lender, being about twice as long as the cephalic 

 uicnt. and compos. , I of onl\ 7 joints. :ird joint longer than either of the ^ 

 pi-'cedniL' joints and mole than twice the length of the -Ith. terminal part not 

 attaining half tin- length of the proximal. Posterior antenna- with the outer 

 '-.imparatively larger than in the preceding species. Inarticulate, with 3 

 aetfiB, 2 of them issuing from the -mall distal joint. Mandiliular palp 

 full\ d.'\. 'loped than in the preceding species and without any trace of an 



