The Galapagos finches (Geospizinae) a study in variation, by David Lack.
Series: On cover: Occasional papers of the California academy of sciences. No. XXI; Occasional papers of the California Academy of Sciences -- no. 21.
Publisher: California academy of sciences
Published: 1945
Place of publication: San Francisco
Language: eng
Number of pages: 152
Subjects: Finches.; Zoology -- Variation.
Notes: "Literature cited": p. 136-141.