— cupreus, i, 256.

Siren, characters of the genus, xi, 281.

— lacertina, xi, 281; xiii, 69.

— striata, xi, 281.

Snakes, remarks on, S. Woodruff, xxix, 304.

—, two headed, always monsters, facts concerning, S. L. Mitchill, x, 48.f

*Tortoise, xvii, 290.

—, a new freshwater, R. Harlan, xxxi, 382.f

Triton cristatus, notice of, xxxix, 189.

*Turtle, fossil, in the chalk of Kent, xli, 205.