A critique of the theory of evolution, by Thomas Hunt Morgan ... Lectures delivered at Princeton University, February 24, March 1, 8, 15, 1916.

1916:Feb.-Mar.

A history of the British hydroid zoophytes. By Thomas Hincks.

1

Gray's Botanical text-book.

2

Letters of Asa Gray, edited by Jane Loring Gray ... .

2

Gray's Botanical text-book.

1

The British parasitic Copepoda / by Thomas Scott and Andrew Scott.

2

Letters of Asa Gray, edited by Jane Loring Gray ... .

1