View of Lake Agassiz, New York Zoological Park.

Boating on the Bronx Lake, New York Zoological Park.

Lake at Entrance, Zoological Park, Bronx Park, New York City.

Lake at Entrance, Zoological Park, Bronx Park, New York City.

Lake at Entrance, Zoological Park, Bronx Park, New York City.

Musk Ox, New York Zoological Park.

Concourse Entrance, New York Zoological Park.

The Flying-Cage, New York Zoological Park.

The Lake, Van Cortlandt Park, New York.

Indian Pond, Crotona Park, New York City.

Central Park Lake, New York.

Large Bird House, New York Zoological Park.

Part of Elk Herd, New York Zoological Park.

Swan Lake, Central Park, New York.

Boat House, Bronx Park, New York City.

The Lake, Van Cortlandt Park, N. Y.

Swan Lake, Central Park, New York.

The Flying-Cage, New York Zoological Park.

Prospect Park Lake, Brooklyn, New York.

Elk Herd, New York Zoological Park.