210 BULLETIN UNITED STATES GEOLOGICAL SUEVEY. [Vol.YI. 



HarporhyncJius redivivus lecontei (Lawr.) Coues. — Leconte's Thrasher. 



Dr. Cooper states that he secured two near Fort Mojave, along the 

 route in the Colorado Valley to the San Bernardino Mountains. Dr. 

 Coues secured a specimen in 1865, about 15 miles east of the Colorado 

 Elver, at a point a little above Fort Mojave. It is very probable that 

 the species will yet be recorded from within the limits of Nevada, as 

 the valley in the vicinity of, and northward from Fort Mojave contains 

 considerable shrubbery and groves of cottonwoods ; as well as the more 

 elevated portions of the valley and the sandy foot-hills contain an 

 abundance of Cacti, AlgaroMa, Yucca hrevifoUa, &c., certainly not pre- 

 senting the most pleasing aspect, but affording sufficient retirement to 

 birds during the breeding season. 



Harporliynchus crissalis Henry. — Eufous-vented Thrasher. 



Dr. Cooper found this species rather common at Fort Mojave, but 

 very shy. At Cottonwood Island, and again near the mouth of the 

 Black Caiaon, several specimens were seen, which, from our position in 

 the boat, appeared to resemble this species. They had been flying from 

 bush to bush at some distance ahead of us, when at the first break in 

 the undergrowth they disappeared. 



CINCLID^. 



Cinclus mexicanus Swains. — American Water Ouzel. 



Mr, Ridgway reports this species as occurring in the West Humboldt 

 Mountains and the Truckee River, east of the Sierras. I have met with, 

 it only on the western slope of the Sierra Nevada, in a cai5on leading 

 -down toward King's River. The large stream rushing down this 

 rocky channel was fed by the lakes of snow water near the summit, 

 and seemed a favorite resort, especially about the deeper pools imme- 

 diately below the successive falls. The canons leading down the eastern 

 slope of the mountains toward Independence were also well watered, 

 but no specimens were noted, although they may occur. 



SAXICOLID^. 



Sialia mexicajna Swains. — Californian Bluebird. 



This bird was obtained by Mr. Ridgway at Carson City, west of 

 which locality, according to Mr. Henshaw, it was also observed to be 

 mumerous among the pines at an elevation of about 7,000 feet, during 

 September and October. Dr. Cooper states it as a i)robable summer 

 resident of the Colorado Valley. 



Sialia arctica Swains. — Rocky Mountain Bluebird. 



This species was found distributed over the middle and northern por- 

 tions of Nevada. During the last week in May it was abundant through- 

 out the timbered hills^ especially at Antelope Creek and the mountains 



