origin of birds
By: by Gerhard Heilmann, with two plates in colour and one hundred and forty photographs and text figures from drawings by the author.
Publisher: Appleton
Published: 1927
Place of publication: New York, NY
Language: eng
Number of pages: 209
Subjects: Birds, Fossil.; Reptiles, Fossil.; Birds -- Anatomy.; Reptiles -- Anatomy.; Phylogeny.
Notes: 1