The British freshwater Rhizopoda and Heliozoa / by James Cash, assisted by John Hopkinson.

3

The British freshwater Rhizopoda and Heliozoa / by James Cash, assisted by John Hopkinson.

4

The British freshwater Rhizopoda and Heliozoa / by James Cash, assisted by John Hopkinson.

2

Freshwater sponges, hydroids & Polyzoa. By N. Annandale.

Freshwater Sponges, Hydroids & Polyzoa

The British freshwater Rhizopoda and Heliozoa / by James Cash, assisted by John Hopkinson.

5

The planktonic freshwater species of Microcystis, by Francis Drouet ... and William A. Daily.

v.20:no.3(1939)

Geographic variation in the chicken turtle, Deirochelys reticularia Latreille / Albert Schwartz.

v.34:no.41(1956)

A new kinosternid turtle from Colombia.

v.31:no.13(1947)

Procolpochelys grandaeva (Leidy) : an early carettine sea turtle / by Rainer Zangerl and William D. Turnbull.

v.37:no.12(1955)

The importance of catfish burrows in maintaining fish populations of tropical freshwater streams in western Ecuador / Garrett S. Glodek.

v.73:no.1(1978)