his work on the coast faunal ranges. He was a man 

 who could lead you in paths of Nature to the haunts of 

 birds, to the lurking places of shells, or to hidden fossils, 

 and could name for you the rocks, trees and plants of 

 the mountains, hills and plains. 



Dr. Cooper is best known to us by his works on 

 conchology and ornithology. Of the former there are 

 forty-three separate papers and of the latter twenty-six. 

 His most important work was "Land Birds" in the Geo- 

 logical Survey of California, and usually known as 

 "Ornithology of California." This book was edited by 

 Prof. Baird and includes most of the land birds west of 

 the Rocky Mts. 



His was a quiet unassuming life, passed amid the 

 simple surroundings of his home. He was a tall, spare 

 man of soldiery bearing, with a dark beard well silvered, 

 clear blue eyes, delicate hands, a voice slow and not 

 given to a ready flow of language. But when touched 

 on his favorite topic, the man was forgotten, and he im- 

 pressed you as one of the true worshippers at Nature's 

 shrine a noble man of lasting worth. At times he was 

 humorous, when stirred by the reminder of some early 

 days of exploring among the mountains and fields. Dr. 

 Cooper was a great lover of forests, and could never 

 bear to see a tree cut down, or even have it used for 

 fuel in his home. There stands beside his home today 

 a tall California laurel, which was transplanted from a 

 near ravine as a little sapling, and which now overtops 



