169 



article ; also the several processes in chromo lithography. 

 Mr. Bolles likewise brought from Europe for this depart- 

 ment about a thousand specimens of fibres, including 

 those on which the British government has expended so 

 much experiment in India, which will be an important 

 and valuable nucleus for the new department. 



The plan excited much interest and was regarded with 

 high favor. Several gentlemen announced that they al- 

 ready had, or could easily procure, suites of specimens 

 in various arts, which they would be glad to add to the 

 Institute treasures. 



The subject was referred to the Directors, and there is 

 a fine prospect of commencing the new department with 

 valuable contributions, and under the most favorable 

 auspices for constant and large additions. 



LISTS OP BIRDS OBSERVED AT VARIOUS LOCALITIES CONTIGUOUS 



TO THE CENTRAL PACIFIC RAILROAD, FROM SACRAMENTO 



CITY, CALIFORNIA, TO SALT LAKE CITY, UTAH, 



BY ROBERT RIDGWAY. 



THE observations upon which the following notes are based were 

 made in connection with the field work of the U. S. Geological Explo- 

 ration of the Fortieth Parallel, in charge of Mr. Clarence King, U. S. 

 Geologist, during portions of the years 1867, 1868 and 1869. 



The present paper is a mere abstract of that portion of the zoologi- 

 cal report* of the Survey relating to the character and distribution of 

 the local avifauuse encountered along the route of exploration, and is 

 published in its present form in order to acquaint ornithologists, as 

 soon as possible, with the results of ornithological investigations made 

 by the Expedition. 



The country traversed by the Survey in the course of its field work 

 is embraced chiefly between the parallels of 39 and 42 North latitude, 



*Iu press. 



