EXPLANATION OF PLATE 14 



Pig. 1. Cyathodonta weaveri, n. sp. Type no. 11131, Coll. Invert. Palae. 

 Univ. Calif., loe. 14. Natural size. 



Fig. 2. An anterior plate of a chiton from Univ. Calif., loc. 1131. 



Fig. 3. Donax sp. indt. No. 11278, Coll. Invert. Palae. Univ. Calif., loc. 

 1314. Natural size. 



Fig. 4. Mya {Cryptomya) incognita, n. sp. No. 11114, Coll. Invert. Palae. 

 Univ. Calif., loc. 1131. Natural size. 



Fig. 5. MaUetia paclardi, n. sp. No. 11279, Coll. Invert. Palae. Univ. Calif., 

 loc. 3080. A wax cast from the diatomaceous shale of the Markley formation, 

 natural size. 



Fig. 6. MaUetia paclardi, n. sp. No. 11280, Coll. Invert. Palae. Univ. Calif., 

 loc. 3081; natural size; an internal cast from the diatomaceous shale of the Mark- 

 ley formation. 



Fig. 7. Leda markley ensis, n. sp. Type, no. 11272, Coll. Invert. Palae. Univ. 

 Calif., loc. 3081. Natural size. 



Fig. 8. Pit aria? sp. No. 11281, Coll. Invert. Palae. Univ. Calif., loc. 78. 

 Natural size. 



Fig. 9. Dentalium radiolineata sobrantensis, n. var. No. 11261, Coll. Invert. 

 Palae. Univ. Calif., loc. 1173. 



Fig. 10. Dentalium radiolineata sobrantensis, n. var. A detail of surface 

 of surface of same specimen as fig. 9. 



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