Amphisbaena medemi, an interesting new species from Colombia (Amphisbaenia, Reptilia), with a key to the amphisbaenians of the Americas / Carl Gans and Sandra Mathers.

v.72:no.2(1977)

Fifty common plant galls of the Chicago area / by Carl F. Gronemann.

no.16(1930)

The American Characidae / by Carl H. Eigenmann.

v.43 (1917-1929) text