A monograph of the free and semi-parasitic Copepoda of the British islands. By G. Stewardson Brady.

2

A monograph of the free and semi-parasitic Copepoda of the British islands. By G. Stewardson Brady.

3

A monograph of the free and semi-parasitic Copepoda of the British islands. By G. Stewardson Brady.

1

Placentation of a primitive insectivore Echinosorex gymnura / Waldemar Meister and D. Dwight Davis.

v.35:no.2(1953)

A new and primitive early Oligocene horse from Trans-Pecos Texas / Paul O. McGrew, Dept. of Geology, The University of Wyoming.

v.10:no.15(1953)