Ostrich egg-shell cups of Mesopotamia and the ostrich in ancient and modern times / by Berthold Laufer. 9 plates and 10 text-figures.

no.23(1926)

The tongue and nest of certain flowerpeckers, Aves: Dicaeidae.

v.39:no.53(1961)

A fossil egg from South Dakota / by Oliver Cummings Farrington.

v.1:no.5(1899)