OWEN, RICHARD.

On the Ova of the Ornithorhynnchus paradoxus. Received May 15, - Read June 19, 1834.

(London, Richard Taylor, 1834) 4to. No wrappers as extracted from "Philosophical Transactions" 1834 - Part II. Pp. 555-566 a. 1 lithographed plate.

First printing of Owen's importent paper on the ova of the Duck-bill or Water-mole, the first to describe its mammalian resemblences.

Order-nr.: 42997