Volume 55, Issue 3 (1956)
Southern California Academy of Sciences can be found at SCAS.
Description of a New Subspecies of the Megathymus yuccae (Boisd, & LeC.) Complex. (Lepidoptera, Rhopalocera, Megathymidae)
Don B. Stallings and J. R. Turner
Notes on the Life Histories of Two Southern Arizona Butterflies
John Adams Comstock
Sylvatic Trypanosoma cruzi in Triatoma from Southern Utah
Sherwin F. Wood