FISHES 



45 



5". henshau'i Gill & Gordon. Tahoe trout; redfish. Similar to 5. 

 darki; body slender; head pointed; rays of dorsal fin ii; anal 12; 

 color green above, sides silvery, with a copper shade; spotted all over: 

 lakes and streams on the eastern slope of the Sierras. 



S. tahoensis J. & E. Silver trout. Similar to S. darki; size very 

 large; rays of dorsal fin 9; anal 12; scales 33-205-40: Lake Tahoe, in 

 deep water. 



S. virginalis Gir. Similar to S. darki; scales 145; spots small and 

 confined to the back; size very large: Utah westward of the Wasatch 

 ^Mountains. 



5. spilnrus Cope. Rio Grande trout. Similar to S. darki; spots 

 most numerous on the hinder half of body: upper Rio Grande basin; 

 southward into Mexico. 



Fig. 21. — Salnio gairdneri {from Jordan b" Evermann) . 



S. pleuriticus Cope. Similar to S. darki; scales 185 to 190; size 

 large; lower fins red; spots numerous: head waters of the Colorado. 



S. boumeri Bendire. Similar to S. darki; spots all behind the dorsal 

 fin: Waha Lake, Idaho. 



S. stomias Cope. Green-back. Similar to 6*. darki; body deep 

 green above; spots mostly back of the anal fin: head waters of the 

 Arkansas and South Platte. 



S. macdonaldi J. & E. Yellow-fin. Similar to S. darki; spots 

 small and numerous on hinder part of body, few or none anteriorly; 

 lower fins bright yellow; size large: Twin Lakes, Colorado. 



S. dedivijrons Meek. Similar to S. darki; color dark blue; fore 

 part of the body with a sharp upward curve; scales 148; no spots except 

 a few on the caudal fin: Lake Southerland, Washington. 



S. jordani Meek. Similar to S. darki; spots very numerous and 

 very black; fins orange; scales 146: Lake Southerland, Washington. 



5. gairdneri Richardson. Steelhead trout (Fig. 21). Length 750 

 mm.; weight about 4 lbs.; extreme weight 20 lbs.; color olive green 

 above; sides silvery; back and sides more or less covered with small black 



