/,-, 1 |i;i\.- been in some (Inul)t about the real systematic position 



tin- pi.-s.-nt genus, hut ha\e ;it last arrived at the conclusion that it ought 



|,i- 1 ,j,,-il\ tn In- referred to tin' family Anchorobolidce, iii spite of the ab- 



inv ..h\ious armature of the body. It is from this character that the 



name hep- pmposed has hem ( 1 1 TJ \ ctl . Only a single species of this 



hitherto come umler my notice. 



Anaplosoma sordidum. G. o. Sars. n. sp. 



(Suppl. I'l. -!!). 



>/,,//,- Characters. Female. l>ody not very slender, and somewhat 

 depressed, sub-linear in form, being of nearly equal width throughout, Integu- 

 ni' nts \ei\ thin and fragile. Surface of hody smooth, without any distinct processes, 

 HT lateral, or dorsal, hut clothed with scattered stiff hairs arranged in a sym- 

 metrical manner. ~2 pairs of them, attached to the 3rd and 4th segments dorsally, 

 more being conspicuous than the others. Cephalic segment of moderate si/e, about 

 equalling in length the L' succeeding segments combined, and transversely trnn- 

 ted anteriorly, the frontal edge being even slightly concave in the middle. 

 The 3 >u< crrding segments with the lateral parts evenly rounded off; 5th seg- 

 ment .,-aiv.-l\ ^mailer than the preceding one. Urosome about the length of the 

 anteiior division and having all the segments simple, without lateral expansions, 

 .'men! distinctly subdivided in the middle, last segment unusually large, 

 being fully as long as the 2 preceding segments combined, anal opercle some- 

 what prominent and finely denticulated at the edge. Caudal raini about the 

 length of the anal segment, slightly divergent and of narrow linear form, inner 

 _ finely ciliated in its proximal part; all the setse, 7 in number on each rainns, 

 A,l,,l tog.-thrr on its outermost part, the dorsal one arising from a bulbous 

 ba-e. and having its proximal part somewhat thickened and sharply defined 

 in the distal; principal apical seta about half the length of the body. Eye 

 sholly absent. Anterior anteim.e \ery slender and narrow, fully twice as long as 

 I'h.-ili- .'-nt. and composed of r> well-defined joints, 1st, 3rd and 5th joints 



iit e.pial sj/,.. -Jnd j..int rumperativrly short but broader than the others. .|th .joint 

 small. Posterior antenna- with the proximal joint very long and slender, outer 

 ran, us lepl;,,,.,! by a small l.r:>tle arising from a knob-like prominence. Mandi- 

 biilar palp with tin- basal joint rather narrow and about the length of the distal 

 "iiNid-- a small lappet tipped with a delicate bristle and appar- 

 M-w.-i-iim to the nut,.,- ramus. Posterior maxillipeds rather stout, with 2 

 ^miiir phimo. .,. inning .t'roin the basal joint, propodus oblong 

 th a cunspinious Mhll , ui,ts 1( |,. ,,ear the base, dactylus long and slender. 



