SIIL-SMELTS, 
913 
THE GREATER SIIL-SMELT. 
ARGENTINA SILUS. 
Fig. 229. 
Base of the anal fin , as well as the longitudinal diameter of the eyes , less than half the length of the head re- 
duced. Height of the dorsal fin less than 2 / s of the preabdominal length. Lower posterior margin of the oper- 
culum straight. Gill-rakers on the first branchial arch about 20. Branched rays in the pectorals 16 or 17, in 
the ventrals 11 or 12. Scales of a horny yellow. 
WM 
Mil 
’ 
Fig. 229. Argentina situs , 9) 1 Y 24 the natural size. Taken on a Fladdock-line at a depth of 50 fthms., between the Roster and Tisler 
Is., on the 11th Nov., 1880; C. A. Hansson. a , scale from the base of the dorsal fin; b, scale from the lateral line; c, scale from 
the first row below the lateral line. 
All the scales from the right side of the body and twice the natural size. 
2 3—4 
R. br. 6 ; D. — ; A. — ; 
9 “ 10 — 12 ’ 
P. 
16 — 17 
V. 
11 — 12 
6. x +■ 1 + 17 + 1 + x\ L. lat. 66 — 70; L. tv. —1; Vert. 65® — 68 c . 
3 
Syn. Salmo Situs, Ascan., Icon. Rer. Nat., fasc. Ill, p. 3, tab. 
XXIV; Cuv. ( Uoregonus ), Regn. Anirn., ed. 2, tom. II, p. 
308; Nilss., Prodr. Iclittiyol. Scand., p. 19; Id. {Argentina), 
Observ. Iehthyol., p. 3; Kroy. ( Acantholepis ) in Gaim., 
Voy. Scand., Lap., cett., Zool., tab. 17; Id., Damn. Fisk., 
vol. Ill, p. 98; Cuv., Val., Hist. Nat. Poiss., tom. XXI, 
p. 421; Nilss., Skand. Fna, Fisk., p. 469; Gtbr., Cat. 
Brit. Mus., Fish., vol. 6, p. 202; Olsson, Lunds Univ. 
Arsskr., tom. VIII (1871), p. 6 (sep.); Coll., Forh. Vid. 
Selsk. Chrnia 1874, Tillsegsh., p. 173; 1879, No. 1, p. 93; 
N. Mag. Naturv., Bd. 29, p. 109; Winth., Naturh. Tidskr. 
Kbhvn, ser. 3, vol. XII, p. 45; Storm, Vid. Selsk. Skr. 
Trondhj. 1883, p. 29; Sm., Vet.-Akad. Handl., Bd. 21, No. 
8, p. 196; Peters., Vid. Meddel. Naturh. For. Kbhvn. 1884 
(1886), p. 159; Lillj., Sv., Norg. Fisk., vol. 2, p. 679. 
0 More commonly 10, according to Lilljeborg. 
6 According to Nilsson; 66 according to Khoyer. 
c According to Lilljeborg. 
