Vol. VII] EVERMANN— DIRECTOR'S REPORT FOR 1917 339 



Sparrow, Red-tail Hawk, Yellow-billed Magpie and Wild Cat, 

 have been commenced. 



A series of the birds found in Golden Gate Park and vicinity 

 has also been placed in the Bird Hall where they attract much 

 attention. 



Department of Herpetology. — The Curator, Dr. Van Den- 

 burgh, and the Assistant Curator, iVIr. Slevin, have been alert 

 in enlarging and caring for the collections of this de])artment. 



There have been added to the department's collections dur- 

 ing the year a total of 1635 specimens, of which 1519 were ob- 

 tained during field exploration carried on by the Curator and 

 the Assistant Curator. The collections of the department now 

 number 35,451 specimens. 



The classification and arrangement of the collections have 

 continued throughout the year and gratifying progress has 

 been made. The Curator has continued his research work 

 during the year, especially on the gopher and garter snakes of 

 the Pacific Coast. 



Department of Paleontology. — The Curator of this depart- 

 ment, Dr. Dickerson, has made commendable progress in classi- 

 fying, labeling and arranging in trays and cases the fqssils and 

 recent shells under his care. All the marine shells of the Hemp- 

 hill collection have been numbered and placed in proper cases. 

 Much has been done with other groups. 



Within the year considerable field work has been done by the 

 Curator, chiefly in the vicinity of the Marysville Buttes, in San 

 Diego County, and in the area between Tejon Pass and Cajon 

 Pass in the San Andreas Rift zone, the latter in co-operation 

 with Dr. L. F. Noble of the U. S. Geological Survey. 



Considerable work has also been done toward geological 

 mapping in the Santa Rosa and Petaluma quadrangles. Mr. 

 F. M. Anderson, formerly curator of this department (a posi- 

 tion he relinquished because of the heavy demands upon his 

 time in connection with commercial oil investigations), has 

 given considerable time to a study of the rich paleontological 

 material which he secured for the Academy during his work in 

 northern South America in 1914-1916. 



Department of Invertebrate Zoology. — Some field work was 

 done for this department in the vicinity of Friday Harbor, 

 Washington, by Mr. and Mrs. T. S. Oldroyd, resulting in a 



