336 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



to the work of the department. Nevertheless, the work accomplished 

 compares favorably with that of previous years. 



At the beginning of the year 1918 the Academy's collection of reptiles 

 and amphibians numbered 35,451 specimens. There have been added 

 during the year 1921 specimens, so that the collection has grown to more 

 than 37,000 specim^ens. 



The number of specimens added during each of the past six years has 

 been about as follows : 



1913 2700 specimens 



1914 800 



1915 800 



1916 1500 



1917 1600 



1918 1724 



Gifts of specimens during the year have been received as follows : 



From Dr. E. C. Van Dyke 163 specimens 



" Mr. R. P. Erwin 258 



" Prof. J. O. Snyder 75 



" Dr. J. Van Denburgh 19 



" Mr. P. H. Peters 26 



" Lord Rothschild 1 



' Mr. Herbert Pack 2 



■' Other donors 5 



549 

 Four collecting trips were undertaken to: 



1. San Clemente, San Nicolas, Santa Barbara and Santa Catalina islands. 



2. Monterey County, California. 



3. Pyramid Lake, Nevada. 



4. Northern California and southern Oregon. 



These expeditions resulted in the acquisition of 1127 specimens. 



Aside from the collection made on the islands, specimens have been 

 secured from 17 counties of California, as follows : 



Butte 1 specimen 



Contra Costa 3 specimens 



Del Norte 45 



Humboldt 14 



Lassen Z7 " 



Marin 6 " 



Mendocino 39 " 



Merced 2 " 



Modoc 41 " 



Monterey 67 " 



