Vol. XI] 



EVERMANN— DIRECTOR'S REPORT FOR 19*2 



665 



Museum was first opened to the public 

 lowing table : 



Month— 1916 1917 1918 1919 



January 23170 25260 17241 



February 22058 23698 17586 



March 31606 26810 27397 



April 32175 23274 25994 



May 26154 26391 28369 



June 32123 29843 32248 



July 37193 31420 48028 



August 24619 31137 43730 



September .. 16448 27866 29847 34007 



October.... 36933 20629 14743 30463 



November . 27718 21810 8531 25246 



December .. 15002 21693 19588 21188 



is shown in the fol- 



Total... 96101 321096 290542 351497 403566 332157 307255 

 FIELD WORK OF THE MUSEUM STAFF 



Field work was carried on by the Museum within the 

 past year as follows: 



EXPEDITION TO THE ISLANDS OFF LOWER CALIFORNIA 



The most important expedition sent out by the Academy 

 in 1922 was that to the islands off the west coast of Lower 

 California. This expedition was one of the direct results 

 of the activities of the Committee on Conservation of 

 Marine Life of the Pacific, appointed in 1921 by President 

 Hale of the Pacific Division of the American Association 

 for the Advancement of Science. The expedition was made 

 possible through the co-operation of the Mexican Govern- 

 ment and the Committee on Conservation of Marine Life 

 of the Pacific, the California Academy of Sciences, the San 

 Diego Society of Natural History, the Scripps Institution 

 for Biological Research, the National Research Council, 

 and the National Geographic Society. The Government of 

 Mexico generously supplied the vessel and crew, and met all 

 the running expenses, and the National Geographic Society 

 contributed liberally to the fund for meeting other expenses. 



The personnel of the expedition was as follows: Repre- 

 senting the Mexican government: Professor Carlos Cuesta 



