Transactions of the Cambridge Philosophical Society.

7

Transactions of the Cambridge Philosophical Society.

5

Transactions of the Cambridge Philosophical Society.

10

Transactions of the Cambridge Philosophical Society.

9

The Cambridge natural history, ed. by S.F. Harmer ... and A.E. Shipley ...

v.6 (1901)

A synoptic list of the fishes known to occur within fifty miles of Chicago, by S. E. Meek and S. F. Hildebrand.

Fieldiana Zoology v.7, no. 9

Snakes of the Hoogstraal expeditions to northern Mexico, by Hobart M. Smith.

v.29:no.8(1944)