Volume 38, Issue 1 (1939)
Southern California Academy of Sciences can be found at SCAS.
Reconsideration of Certain Members of Penstemon Subsection Spectabiles
Ira W. Clokey and David D. Keck
A New Plume Moth from Arizona (Lepidoptera - Pterophoridae)
W. Harry Lange Jr.
Notes on the Life Histories of Two Moths from California
John A. Comstock and Charles M. Dammers