DISCUSSKIN OF SPECIES AM) 'I'llEIR DISTUnUTION. 489 



•2. Mmith-.loftiu-i.rlyl.<.riz(,iital;skinsmootli; mi,.- .■.■plialic, and ono i)osteei)liaIic spine. .O.neirodks 



3. Mdnth-.-lcftoliliiiiio; twii cephalic, anil no |.Msl,oe.])lialic. spines PAltON-KiuoDKs 



B. Hraneirue in i 2 i pairs; body with sca,tl.-,n-d tiilierenlar s<iitill;e ; n» sec-end deisal spine, 



IliDKinlvlophintv 

 1. Hedy and head eonii>ressed, moil til with eleltoldi.ine; iiia.iidil.nhii ai-tieMlation under or hell ind eyes 

 a. Eyes riidinipiilary. 



i. Body oblong-oval; dorsal rays about 11, pectoral alioiit 11! Hi.ma.n inr.upins 



ii. Body short-oval; dorsal liii with I rays, and iiectoial with about 17. .CoKVNoi.oi-iirs. 

 ■J. liodyand head depressed, month with cleft vertical or inclined I'orwanl ; mandibular articulation 

 under or in advance of snout. 



a. Eyes small ,y,j ].•||^^I,■|| iny^ 



II. Month immense. 



A. Month Avith cleft siibverlical. I'ectoral small, premcilian, in advance of dorsal and id' gill opcniii"-. 

 No second dors.ilspine developed. 



1. Brauchia- in 2i pairs )/W«h»c,«««' 



0. Gular tentacle not developed. 



i. Vomerine teeth jiresent Mi;lanocktu.s 



ii. Vomerine teeth absent Liocktl's 



h. Gular tentacle present. 



i. A single vomerine tooth l.iNiii'iiitvxK 



H. Mouth with cleft nearly horizontal. Pectorals broad, postmediaii, under donsiil, and behind gill 



opening. Brauchia- in A 2 i i)airs ( ■tniluplirnniiiii- 



1. Dorsal and anal greatly produced. 



a. Skin naked; numerous luminous Ii laments on head and body Caulophkyxe 



CERATIAS, K coyer. 



Ceralian, Kr«>yeii, Naturhist. 'ridsskritft., i, 1X14, ti:fl) [type, t'. HotbiiUi]. — (iii.i., I'roc. U. S. Nat. Miis., >, 

 1878, 217 (limited). 



Ceratiids with head and hody inufh coiiiiJit'Siscd ;iud clcviitcd, oI)!(Hig, with ]iiickly skiu 

 Mouth moderate, witli its (deft nearly vertical; teetli in Jaws ot moderate size, eoiiieal, mov- 

 able; no teeth ou vomer or paUitines. Hraneliia' 2.i pairs; iirelics unarmed. Siiiiioiis dorsal 

 I'ediieed to two si)ines, the eephttlie one clonjiate, with simjile capitate extremity, tiie (h)rsiii 

 one with its basal element e.\serted ; soft dorsal tiiid anal short ; pectorals \ ery siiorl, broad, 

 miiltiradiate (with about 20 rays). Pyloric co'ca 2, small. Skeleton soft, Ubrons. 



CEKATIAS HOLlHU.l.l, Kncivi:K. ( Figure H!W.) 



CiriiHii^ HMliiiUi. KmiYKK, hi<\ cil. — (Iai.makh, Voy. SKaiid., I'oissons, PI. i.\. 



This grotestpie and reiimrktibie flsli is only known throuuli thiee si>ecimens. iVom IS t<. 

 28 inches loug, takeu ort' tlreenland, and another offiSTova Seotia. 



Giinther, in the Study of Fishes (p. 472), erroneously stated that it had been found at 

 the depth of 2,4110 fitthoms in mid-Atlaniic, tmd corrected iiis identitications in the Vital- 

 leiiiicf Rei)ort (xx.ll, p. "(3); the form to which he referred was Ccrtitids or Miiiicalids iiruiios- 

 co2)i(ii. The brief diagnosis in dordan's Synojisis is incorrect, ;ind since the original Latin 

 de.scription of Kriiyer is not etisily accessible, we (piote it in full below, ('erulins HoUioUi 

 m:iy eontidently be expected to be founil in the abyssal wiiters south of Greenland, aud 

 probably occurs in the (ricat Athmtic IMiitetiii.' 



KUCiYEK's llESI'UirTION OF criliATIAS J l( iriliil.l.I. 



Totus ater. Altitudo piscis (|nartam longitndinis jjaitem ferme a'tpians. Caput altius 

 tinani longuui, I lotigitudinis pisiis a'(|iniiis. Ocnli minimi, vice.simam longitndinis capitis 

 partem non snperantes. Kadiiis caititis liber longitudine piscis ad basin pinna- caudalis 



'The form described by (Tiiuther under the uame Cmdius lii.iphni-tK.'i. from off liauda Islanils, in the 

 Molucca Archipelago, at a depth of 3ti() fathoms, resembles in general M<l<iuucelin .l„lni«onii. though slnie- 

 turally closer to C. Holbiillii. It is mucb shorter ami chunkier, and h.as two dorsal s|pines, the ).osteri(u- of 

 which is rudimentary, (iiiuther has used in connection with it (in his key to thespeciesi the term Hivcnuios. 

 no dmibt more with the purpose of preventing others from making his species the basis of a new gcui..- or 

 subgenus than of himself advocating so limited a generic group, ((iiiuther, Chullaujrr Kcpovt, xxil, 53, 

 PI. XI, Fig. B.) 



