SUCKLEY MONOGRAPH OF THE GENUS SALMO. 97 



The sp8(;ies was not jct quite ready to spawn, and does not do so till 

 after the ta-ah-nla, fS. coopori.) A spe(;iineu in Dr. Keimerly's (;ol- 

 If^ution ai)pears to be that of a female of this s[)ecies, taken from the 

 salt water ■when in prime eondition. It was obtained at JSTew Dungeness, 

 Straits of Faca, in August, 1857, and was called by the Indians of that 

 locality the kH(iih-JcK.ss, tlu; name they are known to ai)ply to the *S'. 

 scolder i. There is nothing' remarkable about the specimen except its 

 blight silvery appearance, which, however, the species always has while 

 yet in the salt water. It has also 14 to 15 branchiostegals, one more 

 than is usual. In a paper entitled "Notices of certain New Species of 

 North American Salmonidie," published by the writer in June, 1801, I 

 proposed a distinct sub-genus for the grou[) of salmon embracing this 

 species, the >S'. sconlerl, S. profeits, ami ^. cooperi, in which the adult 

 ' males have tlu; i>rcmaxillaries considerably elongated, and the tii) de- 

 ' curved, extending considerably beyond the extremity of the lower jaws 

 where there exists a knob at the extremities more or less broad, and 

 heavily armed with strong curved teeth, as are the premaxillaries above. 

 The type of this sub-genus (which I designate as Onoorhynchuu) is 

 the Salmo scoiUeri of llichardson. If my separation of this group iVonr 

 the other salm-.Mi is considered as based on sufficiently good anatomical 

 differences, the species above mentioned will hereafter be known as 

 O'ticorhynchus scolder l^ Oiworhynchus cooper i, Oncorhyiwhiis proteus^ Oti- 

 eorhipichus derinatiiius, Oncorhi/achus consuclus, and Oncorhijnchus canis. 

 In the latter si)ecies the projei^tion of the intermaxillaries beyond the 

 lower jaw is not so strongly marked, but the broad knob and the heavy 

 armature of strong teeth on both that and the [)remaxillaries exist. 



2. SALMO PROTEUS, Pallas. 



HUMPBACKED SALMON. 

 Specimen in Smithsonian collection Fishes, No. 1132. 



Syx. — S((Imo protcnii, Pali.as, Zoog. Eos. Asiat. iii, p. 375; Valenk;;. in Cuv. and 



Valhnx'. Hist. Nal. Polssous, xxi, p. 3o0, ld4S; Sucklky, Niit. Hiat. W:i.sli. 



Territory, p. 339, 1859; Ihid., P. R. R. Ke])ts., vol. xii. 

 Salmo (jibber, SuCKLKY, Ann. N. Y. Lyceum Nat. Hist., Dec, ld58. 

 Salmodcrmatiims, Rich., Voy. of Herald, 1^54. 

 OncorlnjHchits protao^, Suckli;y, Notices of Certaiu Ne-iv Species of Salmon. 



N. Y., June, l-B;!!. 

 GorbuHclta ot Kamtschatka ; Hit it huh of the Lummies ; Iltiddoh oi tlie Nis- 



qimllies. 



Sp. Ca. — Male. — Dorsal profde much more arched than in S. scouleriy 

 Rich. After entering fresh water, an adipose humi) becomes strikingly 

 apparent, its greatest prominence being nearly opi)osite a point midway 

 ou a line drawn from the eye to the anterior margin of the base of the 

 dorsal fin ; intermaxillary projection curved strongly downward, as in 

 8. scoideri; jaws long, as in latter, the latter terminated by a dilated 

 knob, (as in several other species of the genus,) which is armed with four 

 S. Mis. 74 7 



