EEPORT OF THE SECRETARY. 77 



STATEMENT OF THE COLLECTION. 



ACCESSIONS DURING THE YEAR, 



Presented 50 



Received from Yellowstone National Parlv 8 



Received in excliange 75 



Lent 35 



Purchased 234 



Boiu and hatched in National Zoological Park 108 



Total — — 510 



SUMMARY. 



Animals on hand July 1, 1911 .— . 1,414 



Accessions during the year 510 



Total 1,924 



Deduct loss (by exchange, death, and returning of animals) Vu'.', 



On hand June 30, 1912 L551 



VISITORS. 



The number of visitors to the park during the year is estimated 

 at 542,738, being a dail^y average of 1,487. The largest number in 

 any one month was' 95,485, in April, 1912, an average per day of 3,183. 



During the year there visited the park 142 schools and classes, a 

 total of 4,140 pupils, being a monthly average of 345. Besides those 

 from the District of Columbia and neighboring States there were 

 classes from Vermont, Massachusetts, New York, and Tennessee. 



IMPROVEMENTS. 



The amount remaining from tlie appropriation after providing for 

 maintenance, was used mainly for improvements of a permanent 

 character. The most important of these, and one urgently needed, 



4; congestion of lungs, 19; pneumonia, 13; tuberculosis, 1.3; pulmonary edema, 2; 

 purulent inflammation of lungs, 1 ; aspergillosis, 2 ; abscess, 5 ; malignant catarrh of 

 nose and throat, 4; catarrh of nostrils, 1; congestion of liver, 5; necrosis of liver, 2; 

 cancer of the liver, 1 ; osteomalacia, 2; necrosis of tail, 1 ; pericarditis, 1 ; peritonitis, 1 ; 

 septicemia, 1 ; pyemic absorption, 1 ; hypertrophy of spleen, 1 ; Impaction of intestine, 1 ; 

 tympanitic colic, 1 ; rupture of egg in oviduct, 1 ; stomach worms, 1 ; subcutaneous para- 

 sitis, 1; rabies, 1; congelation, 2; starvation (snakes), 6; no cause found, 6; accident 

 (fighting, killed by wild animals, etc.), 19. 



