... Studies of variation in insects.
By: By Vernon L. Kellogg and Ruby G. Bell...
Contributors: Smith, Ruby Green Bell, 1878- joint author.
Series: Proceedings of the Washington academy of sciences. Vol. vi, p. 203-332...
Publisher: The Academy
Published: 1904
Place of publication: Washington, D.C
Language: eng
Number of pages: 332
Subjects: Insects.; Animals -- Variation.