170 



and the meridians of 111 and 122 West longitude. The localities 

 at which observations were made upon the fauna are classified as 

 follows: 



I. THE SACRAMENTO VALLEY. 



a. Outskirts of Sacramento City. 



b. Across the plains from Sacramento to the Sierra Nevada. 



II. THE SIERRA NEVADA. 



a. The western foot-hills. b. The pine region. 



c. The summit of Donner Pass. d. The eastern slope. 



III. WESTERN NEVADA (area of the eastern drainage of the 

 Sierra Nevada, or western Basin drainage} . 



a. Eagle Valley, b. Carson Valley, d. Washoe Valley. 



e. Truckee Meadows (above the Virginia Mountains). 



/. Truckee Valley (below " " " 



g. Adjacent plateaux, h. Islands of Pyramid Lake. 



IV. EASTERN NEVADA, SOUTHERN IDAHO AND NORTHWESTERN 



UTAH (interior Basin drainage}. 



a. West Humboldt Mountains, b. Toyabe Mountains. 



c. Ruby Mountains. d. East Humboldt Mountains. 



e. Upper Humboldt Valley. 



/. Lower Humboldt Valley, " Sink" of the Humboldt. 



g. Soda Lake, Carson Desert, h. Ruby and Franklin Lakes. 



i. Thousand Spring Valley. j. "City of Rocks," Southern Idaho. 



k. Deep Creek, Northwestern Utah. 



V. EASTERN UTAH ( Wahsatch and Uintah drainage, 

 or eastern Basin drainage}. 



a. Salt Lake valley. 6. Islands in the Great Salt Lake. 



c. Parley's Park (Wahsatch Mountains). 



d. Pack's Canon (western spur of Uintah Mountains). 



e. Kamas Prairie. /. Provo Canon (pass of the Provo River). 



I. SACRAMENTO VALLEY. 



a. Catalogue of birds breeding in the immediate vicinity of 

 Sacramento City in June, 1867. 



. 1. Thryomanes Bewicki spilurus. Common ? 



2. Dendroica a3Stiva. Abundant. 



3. Geothlypis trichas. Abundant. 





