3!)0 DEEP-SEA FISHES OF THE ATLANTIC BASIN. 



II. First branchial arcli fire Trarhiirhiincliitw 



A. SiiDuti ('loiiKalc, ])iiintoil. 



1. A isialcless lossa on each si(l^^ of the na]>e. Teeth in villifoiiii bands in jaws. A row of armed 



scahis at base of verticil (ins anteriorly. Opercnluni very small. IJarbcl present. 



TliACIIYHnVNClIUS 



2. Noscaleless fossa. Tcetli biscrial in ujiper jaw, with outer series enlarged; uniserial in lower jaw. 



No barbel. 

 a. No vomerine teeth. Bones of head firm, witli narrow cavities. Mouth wide, lateral. Tail 



not very elongate Macruronus 



6. Vomerine teeth. Bones of head soft an<l cavernous. Tail very long and flagelliform. Vent 



very far forward. Anal fin with a distinct elevated portion Stkindaciineria 



B. Snout short and blunt; jaws even in front. Teeth in jaws iu villiform bands. Bones of head soft 



and cavernous. 3i gills Bathygadus 



MACRURUS, Bloeh. 



Macrourvs, Bloch, Syst. Ichth., v, 1787, 152 (type, M. rvpestria, Bloeh and Fabricius = 3/. herylax, Lac(?p(>de). 

 Macrnrus, GCnther, Cat. Fish. Brit. Mus., IV, 390. — Jordan and Gilbert, Bull, xvi, U. S. Nat. Mus., 811. 

 Macruroplm, Bleeker, Versl. Med. K. Akad. Wetensch., Amsterdam, vili, 369 (type, 3f. sermtus, Lowe). 



Snout more or less produced, and couical or triangular; mouth inferior, rather small, 

 iuiraorbital ridge more or less distinct; teeth in villiform bamly in jaws, palate tootldess. 

 Barbel present. Scales spinigerous, imbricated, lateral line slightly arched anteriorly. No 

 scaleless fossa on side of nape. Dorsal spiae serrated. Other characters iu common with 

 the other genera of ^laonrunc. 



In addition to the Atlantic forms the following have been noted elsewhere: 



Macrurus invcsfigatoris, Alcock (Ann. and Mag. Nat. Hist., 1889 (Nov.), 391, 111. Zool. 

 Inreiififjator, i, pi. iii, fig. 4) Irom Andaman Sea, 2G5-490 fathoms; Bay of Bengal, 193-405 

 fathoms; Laccadive Sea, 188-276 fathoms. This is the common species of tlie Indian Ocean, 

 occupying the same place which 31. Bairdii fills iu the Western Atlantic. 



M. scmiquincimciatm, Alcock {loc. cit. 392), from the Bay of Bengal, near the Anda- 

 mans, in 130-250 fathoms, and from the Laccadive Sea, 240-276 fathoms (Alcock, Ann. and 

 Mag. Nat. Hist., Viii, 1891, 121). 



Macrurus Hoslcipdi, Alcock (Ann. and Mag. Nat. Hist., 1890, ii, 214), from the Bay of 

 Bengal, off Madras, Investigator station 97, in 1,310 fathoms. This is the deepest locality 

 for Macrurus yet found in the Bay of Bengal. 



Macrurus Hcxtii, Alcock (Ann. and Mag. Nat. Hist., 1890, ii, 299), from the Arabian Sea, 

 Investigator station 104, 1,000 fathoms. 



Macrurus Wood-Masoni, Alcock (loc. cit, 301). From same locality as last and iu the 

 Laccadive Sea, 738 fathoms. 



Macrurus Fctcrsonii, Alcock (Ann. and Mag. Nat. Hist., viii, 1891, 121, 111. Zocil. 

 Investigator, i, iii, fig. 5), from the Laccadive Sea, in 188 to 220 fathoms. 



Macrurus brcpirostris, Alcock (Ann. and Mag. Nat. Hist., 1889, 393), from the Anda- 

 man Sea, 7i miles east of North Cinque Island, in 490 fathoms. 



Macrnrus macrolophus, Alcock {loc. cit.), from the Andaman Sea, southeast by south 

 of Eoss Island, in 265 fathoms, and from the Laccadive Sea, 230 to 276 fathoms. 



Macrurus lojihotcs, Alcock {he. cit.. 111. Zoiil. Investigator, i, pi. iii, fig. 2), from the 

 "Swatch" in the Bay of Bengal, 285 to 405 fathoms. 



Macrurus poh/lepis, Alcock {loc. cit.), from the Bay of Bengal, 193 and 272 fathoms. 



Macrurus rudis, Giinther (Challenger Eeport, xxii, 131, pi. xxvii), from the Pacific, 

 north of the Kerinadecs, in 520 to 030 iathoms. 



Macrurus nasutus, Giinther {loc. cit., pi. xxx, Fig. B), from off Japan, 345 to 565 fathoms, 

 and from the Laccadive Sea, Investigator station 107, in 738 fothoms (Alcock, Ann. and Mag. 

 Nat. Hist., VIII, 1891, 121). 



Macrurus scrrulatus, Giinther (Aim. :nid Mag. Nat. Hist., 1878, ii, 26), from northeast 

 of New Zealand, in 700 fathoms. 



Macrurus asper, Giinther (Challenger Report, XXii, 137, pi. xxxvi. tig. A), from south 

 of Japan, 1,875 fathoms. 



