46. SALMONIDiE — ARGENTINA. 205 



ill length of body; ventrals not roacbiiig vent, their length S.', in body. 

 Uead U; depth 4^. 13.10; A. 15; P. 14; V.'S; Lat. 1. 70. L. 12 

 inches. Piicilic coast, from California northward; abundant, s])awning 

 in the surf. A very lirm-lleshed aud fat little fish, scarcely inferior to 

 tbe eulachon. 



{Argentina pretiosa Gnl. Proc. Acad. Nut. Sci. Pliila. 1854, 155: Osmerus pretloHus 

 Giranl, U. S. Pac. R. R. Sarv. Fish. 324: Osmerus elongatus Ajves, Proc. Acad. Nat. 

 Sci. Phila. 18.-,4, 17.) 



483. II. oilidus (Pallas) Giinther. 



Darker. Fins higher, the longest' dorsal ray 6 in length of body ; 

 pectorals reaching two-thirds the distance to root of ventrals, their 

 length 5 in body; ventrals G in length of body. Lat. 1. 56-60. Alaska 

 and Kamtschatka, spawning in fresh-water ponds. (Bean, MSS.) 



{Salmo (Osmerus) olkhis VaMas, Zoogr. Ross. As. iii, 391; Giiutlier, vi, 1G9, iu jiart.) 



141.— ARGENTIIVA Linnaeus. 

 Argenti7ies. 

 (Artedi; Linnaeus, Syst. Nat. : type Argentina sphyrce.na L.) 



Body oblong, covered with rather large cycloid scales, which are 

 often rough with spinous points. Mouth small, the maxillaries very 

 short, not reaching to the eye. Eye very large. Jaws toothless; an 

 arched series of minute teeth on the head of the vomer and on the fore 

 X)art of the palatine; tongue typicallj^, with a series of small curved 

 teeth on each side. Dorsal tin short, iu advance of the ventrals. Cau- 

 dal tin deeply forked. Eggs small. Fishes of the deep waters of the 

 North Atlantic and Mediterranean, never entering fresh waters. (Latin 

 argentum^ silver.) 



* Scales moi-c or less rough. {Sihts Roiuhardt.*) 



484. A. sya'JcBBSiBJEn Goode & Bean. 



Body compressed. Uead not quite twice as long as deep. Snout 

 nearly 3.\ in head. Insertion of dorsal midway between snout and adi- 

 l)Ose fin; ventrals under last ray of dorsal. Scales very large, cycloid, 

 covered with minute asperities; a median row of scales along the back 

 and the belly. Color olivaceous ; sides silvery. Head 4^; depth 5.^. 

 B. G; D. 12; A. 13; V. 14; scales 3-00-4. L. 17 inches. Sable Island 

 Bank, in deep water. 



(Goode & Bean, Proc, U. S. Nat. Mus. 1878, 261.) • 



* Rcinhardt. Bcniiirkn. til den Skaud. Ichthyol. 11: type Salmo silus Ascnuiiis. 

 (From the Norwegian name f'as-Sll, said to mean rough herring.) 



