PLATE 34 
Fig. 1. Haliotis cracherodi Leach. X 1. Longitude 85 mm. 
Half Moon Bay. Exterior of Black Abalone. 
Fig. 2a. Fissuridea aspera (Eschscholtz). X 1. Longitude 40 
mm. Bolinas Bay. 
Fig. 2b. Fissuridea aspera (Eschscholtz). X 1. 
Fig. 3. Tonicella lineata (Wood). X 1. Longitude 30.5 mm. 
Bonita Point.* 
Fig. 4a. Astraliwm triumphans (Philippi). XX 1144. Diameter of 
body whorl 17 mm. Near Station D5807. Dorsal view. 
Fig. 4b. Astraliwm triumphans (Philippi). X 1%. Ventral view. 
[400] 
