EXPLANATION OF PLATE 7 

 Fauna of Martinez Eocene 

 Fig. 1. Bhynconella( '? ') , sp. X 3. 



Fig. 2a. Terebratulina tejonensis Stanton. X 1. 



This species occurs in the lowermost portion of the Martinez of 

 Lake County and of the Mount Diablo region. 



Fig. 26. Terebratulina tejonensis Stanton. X 1. 



Fig. 3a. Leda paclcardi, n. sp. X 2. 



Fig. 3b. Leda paclcardi, n. sp. X 2. 



Fig. 4. Leda milleri, n. sp. X 2. 



Fig. 5. Yoldia gesteri, n. sp. XL 



Fig. 6. Yoldiaf?) powersi, n. sp. X 3. 



Fig. 7a. CueuUaea mathewsonii Gabb, umbonal view. X 1 . 

 A characteristic Martinez species. 



Fig. lb. CueuUaea mathewsonii Gabb, side view. X 1. 



Fig. 8. CueuUaea mathewsonii Gabb (Area biloba Weaver). X 1. 



This figure is Weaver's type of Area biloba which is the young of 

 C. mathewsonii. Small specimens have been recently found which show 

 the hinge of the genus CueuUaea. 



Fig. 9a. Lima(?) claytonensis, n. sp. X 10. 



Fig. 9b. Lima( ?) claytonensis, n. sp. X 10. 



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