60 PROCEEDINGS OF THE ACADEMY OF [1894. 



DESCRIPTION OF A NEW SUBSPECIES OF TROUT FROM McCLOUD 



RIVER, CALIFORNIA. 



BY DAVID STARR JORDAN. 



Salmo gairdneri stonei, siibsp. nov. 



Allied to the form called Shno irideiis, but distinguished by its 

 small scales, the number of scales in a longitudinal series lieing 

 about 155, 82 before dorsal, where they are small and imbedded, 

 25 above lateral line. Teeth fewer and smaller than in var. irideus, 

 those on the vomer in a single zigzag series. Axillary scale of ven- 

 tral small. Pectoral 1+ in head. Eye large, 4^ in head. Maxil- 

 lary 2 1-10. Upper parts plain greenish. Spots small and sparse 

 on dorsal, adipose fin and caudal; a few spots only on posterior 

 part of the body. A faint red lateral band; cheeks and opercles 

 with red; no red between branches of lower jaw. Depth 4 in length. 

 Anal rays 11. Described from a specimen (No. 900 Mus. Stanford 

 Univ.) 14 inches in lengtli collected by Livingston Stone in 

 McC'loud River at Baird, California 



This form is well known to the Indians and to fishermen on the 

 Upper Sacramento According to Mr. Stone the Indian fishermen 

 say tliat it is abundant in the McCloud River about eight miles 

 above Baird. They are larger in size than ordinary irideus, one 

 having been taken weighing 12 pounds. It is known to the Indians 

 as No-shee or Kissuee. 



The subspecies is named for Livingston Stone, Director of the 

 11. S. Fish Hatchery at Baird. 



