The lower animals living invertebrates of the world

A guide to invertebrates. The authors describe the different families of these animals without a spine, their lives and characteristics.

Manylion Llyfryddiaeth
Prif Awdur: Buchsbaum, Ralph
Awduron Eraill: Milne, Lorus J.
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Garden City, N.Y. Doubleday 1960.
Cyfres:World of nature series.
Pynciau: