21 
The deaths were not numerous, but included the last of a 
pair of griffon vultures, purchased September 12th, 1878; 
the grizzly bear " Rose," which was received from Utah 
January 7th, 1874; a male American bison, and a male 
lion. 
Numerous efforts have been made by the Board in past 
years to secure systematic and competent study of the 
pathological material furnished by animals dying in the 
Gardens ; a field of observation strangely neglected in this 
age of investigation. For various reasons these attempts 
have been heretofore futile in results. During the autumn 
of 1901, Dr. Charles B. Penrose, with the assistance of Dr. 
C. Y. White, became interested in the work, and the studies 
which are now being made by these investigators seem to 
promise results of great value, not only in promoting the 
knowledge of disease, but also in the practical application 
of the morbid conditions noted, to the care of animals kept 
in captivity. 
The old wolf and fox pens having become insecure, were 
torn down early in the summer and were rebuilt on the 
same site, but were extended eighteen feet at the southern 
end. The new structure of handsome design, and con- 
structed of stone and iron, is one hundred and fifteen feet 
long and twenty-four and one-half feet deep, and contains 
fourteen pens, suited to hardy members of the dog tribe. 
The cost of this improvement was $2763, of w^hioh $2500 
was provided by the city appropriation for work of perma- 
nent character. 
With the object of providing the best facilities possible 
for keeping up the Society's herd of American buffalo, a 
space of ground some two and a half acres in extent, lying 
between the lake and the eastern boundary line, has been 
inclosed with Page wire fencing, and a pair of young buf- 
falo, both bred in the Gardens, but not at all related, have 
been placed there. The produce of this pair, bred hereafter, 
with blood from some foreign source, will introduce a new 
and distinct strain into the Gardens, thereby assisting to the 
