TWENTY-SIXTH ANNUAL REPORT 127 



posed to acquire them. The negative is about 470 feet in length. 

 Terms may be had upon application to the director of the New 

 York Aquarium. An illustrated account of the elephant seal, 

 as observed at Guadalupe Island, can be obtained from the clerk 

 of the Aquarium, at twenty-five cents a copy. 



Mr. C. M. Breder, Jr., scientific assistant, U. S. Bureau of 

 Fisheries, was appointed aquarist on April 1, to fill a vacancy 

 caused by the death of the late W. I. DeNyse, who had been in 

 the service of the Aquarium since its inception. Mr. Breder 

 contributed two papers to Zoologica (Scientific Contributions of 

 the New York Zoological Society) : The Life History of the 

 Puffer (Spheroides maculatus) , and Hermaphroditism in the 

 Croaker (Micropogon unchilatus) , both being illustrated with 

 drawings by the writer. 



The tall chimney of the Aquarium, having for some time 

 been in need of attention, was repaired by the Department of 

 Parks in August. 



A wooden balcony tank on the salt water side, which had 

 become leaky through decay, was replaced, and three wooden 

 reserve tanks, much needed, were constructed to fit vacant spaces 

 on the fresh-water side. The cost of these improvments was 

 $335. 



On April 19, the Prince of Monaco was given a private view 

 of the Aquarium. Tea was served at five o'clock, and members 

 of the Board of Managers of the Zoological Society were present. 



On June 16, the Director of the Aquarium attended a fish- 

 eries conference at Washington, called by the Secretary of Com- 

 merce to consider measures for the prevention and control of 

 water pollution and the protection of migratory fishes. 



Attendance. — The attendance at the Aquarium during the 

 year 1921 was 2,376.840, a daily average of 6,256. The increase, 

 as compared with 1920> was 382,292. 



ATTENDANCE AT THE NEW YORK AQUARIUM BY MONTHS, 1921. 



January visitors.... 151,322 Daily average.... 4,881 



February " .... 124,319 " " 4,440 



March " 202,089 " " 6,553 



April " 201,716 " " 6,723 



