Volume 33, Issue 1 (1934)
Southern California Academy of Sciences can be found at SCAS.
New Oysters and a New Pecten from the Tertiary of California
Leo George Hertlein
Fossil Mollusks from the Vertebrate-Bearing Asphalt Deposits at Carpinteria, California
U. S. Grant and A. M. Strong
Additional Notes on the Early Stages of California Lepidoptera
John A. Comstock and Charles M. Dammers