A new wood owl from Chile, by Leslie Wheeler.

v.20:no.37(1938)

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

v.73:no.1(1978)

Permo-Carboniferous fresh water burrows / Everett C. Olson -- and Kathryn Bolles --.

v.33:no.15(1975)