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Found 2 results for "Floyd Leslie Downs"

Intrageneric relationships among colubrid snakes of the genus Geophis Wagler
Intrageneric relationships among colubrid snakes of the genu...

by Floyd Leslie Downs

1965 2 ed.
Geophis Snakes Colubridae
Unisexual Ambystoma for the Bass Islands of Lake Erie
Unisexual Ambystoma for the Bass Islands of Lake Erie

by Floyd Leslie Downs

1978 1 ed.
Ambystoma Amphibians Hybridization