DISCUSSION OF SPECIES AND THEIR DISTRIBUTION. 41 7l 



MOSELEYA, Goode and. Bean, n. g. (Figure 347.) 



Macrurids, Laving the dorsal sub-coutiuuous ; the anal much higher than the second 

 dorsal. Head and snout long, (rrtrfws-like; mouth large, lateral, subterminal. Scales small, 

 not spinigerous, but with about Ave feeble radiating keels. Ventrals in advance of pecto- 

 rals. Vent far forward, almost under last rays of first dorsal. Pectorals and ventrals 

 strong, tiilciform, the outer ray of each prolonged, that of the ventral exceedingly. Dorsal 

 spine feebly serrate. Barbel minute. 



This genus is proposed for the reception of Macrurus longifilis, Griinther (Ann. and 

 Mag. Nat. Hist., 1877, xx, 439; Challenger Keport, xxii, 1887, 151, pi. xxxv), a species 

 obtained by the Challenger at station 235, south of Yeddo, Japan, at a depth of 565 fathoms. 

 The type is US inches long, and is admirably figured in the Challenger Iteport. 



The genus is named in honor of Professor Henry N. Moseley, F. li. S., of Oxford 

 University, whose contributions to natural history while naturalist of H. M. S. Challenger, 

 we desire to commemorate. 



ABYSSICOLA, Goode and Bean, n. g. 



Macrurids with villiform intermaxillary teeth, uniserial mandibulary teeth. Dorsal, ven- 

 tral, and pectoral origins nearly in the same vertical; pectoral very long, spatulate. Dorsal 

 tins separated by a considerable interval. Snout produced, tetrahedral. Interorbital space 

 flat, wide. Mouth wide, lateral; the intermaxillary shorter than maxillary. 



This genus is based upon Maerunis macrochir, Giinther, obtained by the Challenger at 

 station 232, on the Hyalonema ground ofl' Inosima, Japan, at a depth of 345 fathoms (Giin- 

 ther, Ann. and Mag. Nat. Hist., 1877, xx, 438; Challenger Eeport, xxii, 1887, 148, pi. xxix, 

 fig. B). The type, which was 27i inches long, is admirably figured in the Challenger 

 lleport (Figui-e 348). 



TRACHYRHYNCHUS, Giorna. 



Trachyrincua, GlORNA, Mem. Accad. Imp. Turin, xvi, 178, 1803. 



Track iirhi/iuhus, Gunther, Challenger Keport, xxii, 1887, 152. 



Lepidulvpnis, Rlsso, Ichtb. Nice, 1810, 197 (type, L. trachyrincus, Risso). 



Oxycephus, Rafi>'ESQUE, Indice d'lttiol. Siciliana, 1810 (tyije, O. scabrus, Raf.=L. trachyrhincm, Risso). 



Lepidoaoma, Swainson, Nat. Hist, and Class. Fish., 1838, ii, 261. 



Snout produced into a long depressed process, sharply pointed in front, and with a 

 rather sharp lateral edge, which is continued in a straight line across the infi-aorbital region. 

 Mouth horseshoe-shaped, situated at the lower side of the head. Teeth in both jaws in 

 villiform bands. A barbel. A scaleless fossa on each side of the nape. The second dorsal 

 fin well developed from its beginning. Scales of moderate size, more or less spinigerous; 

 a series of larger scales, each armed with a projecting ridge along each side of the base of 

 the anterior portions of the dorsal and anal tins. Of the gill-covers the operculum is par- 

 ticularly small. Gill membranes scarcely united in front. Four gills with well-developed 

 gill lamime. The first branchial arch is free and provided with short styliform gill-rakers. 

 {Giinther.) 

 Trachijrhynchus longlrostris, Giinther, (Challenger Eeport, xxii, 153, pi. XLi, fig. B), was 



taken by the Challenger Northeast of New Zealand, in 1,700 fathoms. 



TRACHYRHYNCHUS SCABRUS, (Ratinesque), Goode & Bean. (Figure 349.) 



Mysticetua aucioris, Aldkovandus, De Piscibus, 1638, 342. 



TrachyrinciiH (no specific name), Giokna, Mem. Accad. Sci., Turin, xvi, 1805, 178, pi. i, tigs. 1, 2. 



Oxycephua acabrtia, Rafinesque, Indice d'lttiologia Siciliana, 1810, pi. i, figs. 1, 2. 



Lvpidoleprus tracliyrinchua, Rlsso, Iclith., Nice, 1810, 197, pi. vii, fig. 21. — Bonaparte, Catologo Metodico, 

 1846, 42.— Cane.stkini, Arch, per la Zoiil., 1864, 371, pi. xii, fig. 2. 



Lepidoaoma trachyrkyiichwi, Swainson, Nat. Hist, .and Class. Fish., 1838, II, 261. 



Macrurua truchyrhynchua, GuNTllEli, Cat. Fish. Brit. Mus., iv, 1862, 315. — Canestrini, Fauna Italica, Pesci, 

 315. — A^INCICUEKRA, Ann. Mus. Geuov., xiv, 617; xviii, 564; Crociere del Violaute, 100. — Vaillant, 

 Exp. Sci. Travaillcur ct Talisman, 250, pi. xxi (scale.). — Capello, Peixes do Portugal, 1880, 32. 



Trachyrhynehus Irachtjrhynchiia, GlNTilEU, Challenger Report, XXIl, 152, pi. XLI, fig. c. 



Snout not iiuite twice as long as the eye, the horizontal diameter of which is much 

 19808— No. 2 27 



