120. GADID^ ONOS. 797 



late; tail isocercal ; vcMitnil fins of 5 to 7 rays. Small fishes of the 

 nortlierii seas; the species differiug considerably among themselves. 

 {Onos, an ancient name of certain Gadoid fishes; from o>(>?, an ass.) 



a. Barbels four; heail anteriorly high and compressed ; no huge canines. {lihinoiie- 

 vms Gill.) 



1326. O. caBai8>i'ius (L.) Goode & Bean. — Four-hcarded liocJdhig. 



Brownish, posterior part of dorsal and anal, and lower margin of can- 

 dal abrujitly black; inside of mouth black. Head oblong, compressed, 

 the snout high, its anterior i^rofile blunt; mouth large, inferior; a barbel 

 at chin, one at end of snout, and one on each anterior nostril; maxillary 

 reaching much beyond eye; teeth in narrow bands, some of them con- 

 siderably enlarged; lateral line stitch-like, developed at intervals. 

 First (free) ray of dorsal as long as head; ventrals about half length 

 of head; caudal somewhat acute. Head 5; depth G. D. 50; A. 43; 

 y. 5. L. 12 inches. North Atlantic, on both coasts. 



{Gadus cimbriKs Linnseus, Syst. Nat.: Motella cauducata Storer, Hist. Fish. Mass. 

 361: MotvUa cimhria GiLnther, iv, 367: lildnoncmus caudacitia Gill, Proc. Acad. Nat. 

 Sci. Phila. 186:3, 241.) 



art.' Barbels three. (Onos.) 



1227. O. reasihardti (Kroyer) Gill. 



Uniform reddish brown; cirri and tips of fins red. Head d«ipressed, 

 but rather pointed anteriorly; snout rather short, with two barbels; 

 chin with one; teeth in villiform bands, those of one series in each jaw 

 longer than the rest. First ray of first dorsal short, little longer than 

 snout. Vent near middle of length. Distance from snout to first dor- 

 sal ^^ of length. Head 5. I). 50; A. 45; V. 8. Greenland. {Collett.) 



{^Motella argetdala Reinh. 8elsk. Nat. Math. Afh. 1837, 110: MofcUa reiiihardti 

 Kroyer MSS. ; Collett, Norske Nord-Havs. Exj). 18«0, 131: Onos reinhardti G\\\, Proc. 

 Ac.'Ul. Nat. Sci. Piiila. 1863, 211: i Coachia ort/cntnta Giinther, iv, 363, the young of 

 this or other species of Onos; suiall, silvery lishes, swimming at the surface in the 

 open sea.) 



1228. O. enSBS (Reinh.) GiU. 



Head small; snout with two barbels; chin with one; teeth feeble, 

 uniform, in villiform bands; palatine teeth villiform. Vent nearly me- 

 dian; distance to front of dorsal g of length. First dorsal ray pro- 

 duced, as long as head. Head 5^; D. 59; A. 40. Greenlaiul. (Col- 

 lett.) 



{Motella ensis Rfinh. Dansk. Videnak. Sel.sk. Nat. vii, 115, 1838: Onos cnsis GiU, Proc. 

 Acad. Nat. Sci. Phila. 1863, 241; Collett, 1. c. 134.) 



