You are not currently logged in.
Access your personal account or get JSTOR access through your library or other institution:
The Inheritance of Polymorphism and Sex in Colias Philodice
John H. Gerould
The American Naturalist
Vol. 45, No. 533 (May, 1911), pp. 257-283
Stable URL: http://www.jstor.org/stable/2455757
Page Count: 27