Wickham, H. F. 1913. The Princeton collection of fossil beetles from Florissant. Annals of the Entomological Society of America 6:359-366 + 4pls.
Wickham, H. F. 1913. The Princeton collection of fossil beetles from Florissant. Annals of the Entomological Society of America 6:359-366 + 4pls.