Cat Alley, when it was being torn down.

Cat Alley, when the rear tenements were torn down in the Elm Street widening.

Cat Alley, when the rear tenements were torn down in the Elm Street widening (1898?).

Nibsy's Alley at 47 1/2 Crosby Street, torn down in the Fall of 1895.

Nibsy's Alley at 47 1/2 Crosby Street, torn down in the Fall of 1895.

Nibsy's Alley at 47 1/2 Crosby Street, torn down in the Fall of 1895.

Nibsy's Alley at 47 1/2 Crosby Street, torn down in the Fall of 1895.

Nibsy's Alley at 47 1/2 Crosby Street, torn down in the Fall of 1895.

Nibsy's Alley at 47 1/2 Crosby Street, torn down in the Fall of 1895.

Bone Alley.

36-36 1/2 Baxter St. as the place was before rear ten. was torn down by Board of Health in 1897 under the Tenement House Law.

36-36 1/2 Baxter Street as the place was before the rear tenement was torn down by Board of Health in 1897 under the Tenement House Law.

36-36 1/2 Baxter Street as the place was before the rear tenement was torn down by Board of Health in 1897 under the Tenement House Law.

36-36 1/2 Baxter Street as the place was before the rear tenement was torn down by Board of Health in 1897 under the Tenement House Law.

Cat on Tenement House steps.

Cat on Tenement House steps.

Bone Alley.

Bone Alley.

[17. Sullivan Street Back Alley.]

Upstairs in Blindman's Alley.