The Number of Bones at Present Known in the Pectoral and Pelvic Limbs of Birds

Autor:	Shufeldt, R. W.
Zdroj:	The American Naturalist, 1882 Nov 01. 16(11), 892-895.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2449595 Zobrazit plný text záznamu