38 CRUSTACEA MALACOSTRACA. IV. 



Kxped. (1868) at Lat. 75"45' N., 1050 fath. 1 ; a good number of specimens was taken south of Novaya Zemlya 

 at Lat. 70°2o' N., Long. 56°34' and 56 c 35' E., 48 fath. (Stappers). The "Thor" gathered it at a station north- 

 east of Shetland: Lat. 6i°i4' N., Long. i°ig' E., 85 fath.; it has been recorded from the North Sea west of 

 Jutland, 82 Fv. (H.J. Hansen), from two localities on the east coast of North England, 39 and 25 fath. (Nor- 

 man and Brady), and from Scotland in Firth of Forth, Firth of Clyde, Moray Firth and Loch Fyne (Th. Scott). 

 Finally it is known from places at the Atlantic coast of the Un. States, viz. in the Gulf of Maine, 35 fath. 

 (Caiman); in Casco Bay in the stomach of Pscudopleuronectes americanus, and off Cape Ann, Mass., 35 

 fath. (S. I. Smith); further south from Marthas Vineyard. 36 fath. (Caiman). 



32. Campylaspis alba n. sp. 

 (PI. Ill, figs. 2 a— 2I). 



Adult Female. Carapace strongly vaulted, proportionately short and deep; seen from above 

 (fig. 2 a) and with pseudorostrum included scarcely half as long again as broad ; seen from the side (fig. 2 c) 

 only somewhat less than half as long again as deep. Pseudorostrum forms an obtuse angle with the dorsal 

 line and is not even quite horizontal ; seen from above (fig. 2 a) it is acutely triangular, seen from the side (fig. 

 2 c) the lower margin is strongly ascending, and only a vestige of an antennal notch is discoverable. The ocular 

 lobe (fig. 2 b) is a small triangle occupying scarcely the basal fourth between the pseudorostral lamellae, 

 and it has no visual elements. The whole surface of the carapace is smooth, shining and looks as polished. 

 The dorsal part of the three anterior free segments nearly or totally overlapped by the carapace ; the two ante- 

 rior segments with somewhat protruding dorsal lamellae. Abdomen slender and very conspicuously shorter 

 than the carapace. 



Second pair of maxillipeds (fig. 2 d) robust; carpus (fig. 2 e) with a triangular tooth on the inner part 

 of the terminal margin; dactylus with three long and strong spines subequal in length, and just before them 

 a very robust seta considerably longer than the spines; the propodus has a somewhat small, oblong tooth 

 at the distal inner angle, and the spine from the end is much longer than the spines on the dactylus and 

 distinctly bent somewhat from the end. Third maxillipeds (fig. 2 f) broad, and in this respect nearly as in 

 C. Yiibicunda or C. glabra G. O. S. ; ischium produced on the inner side with a strong tooth on the end; merus 

 broad, nearly as broad as second joint, about two-thirds as long again as broad, with the lateral margins 

 subparallel and the inner margin without teeth, but a large, oblong tooth is found on the distal end at the outer 

 margin; carpus scarcely two-fifths as long as merus and a little longer than broad, with 5 strong teeth on the 

 inner margin and a single tooth on the outer; propodus with 3 teeth on the inner margin. First pair of legs 

 (fig. 2 g) with the distal half rather slender; ischium with a tooth on the end, merus with a small tooth at the 

 end of the outer margin, and otherwise all joints are unarmed. Second pair of legs (fig. 2 h) with the carpus 

 slender and very long, slightly longer than the dactylus, which is thin and regularly tapering to the end. — 



' It is extremely surprising that this species can live in that great depth. The specimen, a large but immature male, 

 is according to Sars' representation uncommonly robust, especially the uropods (his fig. 16) are extremely thick. I think the 

 determination is correct, but may suppose that the young male had been captured while swimming or adhering to some floating 

 thing; unfortunately the exact locality is not stated, so that it is impossible to judge of its distance from lesser depths. 



