EXPLANATION OF PLATE 37 



Fig. la. Lucina diegoensis, n. sp., X 1- 



Fig. lb. Lucina diegoensis, n. sp., X 1. Umbone view. 



Fig. 2a. Venus aequilateralis Gabb, X 2. 



Fig. 21). Venus aequilateralis G-abb, X 2. Umbone view. 



Fig. 3. Tellina jollaensis, n. sp., X 1- 



Fig. 4o. Xenophora stocki, n. sp., X 1- Top view of type. 



Fig. ib. Xenophora stocki, n. sp., X 1. Side view. 



Fig. 5a. Spiroglyphusff) tejonensis Arnold, X 3. Bottom view. 



Fig. 5l>. Spiroglypliusf?) tejonensis Arnold, X 2. Top view. 



Fig. 6a. Fasciolaria bilineata, n. sp., X 3. Back view of type specimen. 



Fig. 6!). Fasciolaria bilineata, n. sp., X 3. Aperture view of cotype. 



Fig 7. Fieopsis cooperii Gabb, X 2. Aperture view of a cotype, a much 

 better preserved specimen than Gabb's type. 



Fig. 8. Tunis fresnoensis Arnold, X 3. This specimen shows the form 

 of canal better than Arnold's type. 



Fig. 9. Sureula supraplanis (Cooper), X L Back view of a cotype. 

 This species was placed in the genus Fusus by Cooper. Better preserved spe- 

 cimens show the sinus of the genus Sureula. 



Fig. 10. Architectonica, sp., X 3. The figured specimen was found at 

 University of California Locality 694. 



Fig. 11. Odostomia packi, n. sp., X 3. Type specimen. 



Fig. 12. Area clarki, n. sp., X 3. 



Fig. 13. Strepsidura howardi, n. sp., X 1- 



Fig. 14. Perissolax gabbi, n. sp., X 1. 



[506] 



r 



