Y.

Yearling of the buffalo, 401. 
Yellowstone Park, buffaloes in, 512, 521, 522, 527. 
Yellowstone Rivers, 531, 544. 
Young Mr. Harrison, S., 524.

Z.

Zoological Garden of Cincinnati, 462. 
  Philadelphia, 461. 
  Park at Washington, establishment of, by Congress, 528.