EXPLANATION OF PLATE 23 



Fig. 1. Tunis altuscollus, n. sp. Type, no. 11232, Coll. Invert. Palae. Calif., 

 loc. 1131. Natural size. 



Fig. 2. Perse eorrugalum, n. sp. Type, no. 11233, Coll. Invert. Palae. Univ. 

 Calif., loe. 2754. Natural size. 



Fig. 3. Mwrex {Ocinebra) sobrantensis, n. sp. Type, from a wax cast, no. 

 11234, Coll. Invert. Palae. Univ. Calif., loe. 1164. Natural size. 



Fig. 4. Cancellaria andersoni, n. sp. No. 11235, Coll. Invert. Palae. Univ. 

 Calif., loc. 1309. Natural size. 



Fig. 5. Agasoma gravidum multinodosum, n. var. Type, no. 112(i6, Coll. 

 Invert. Palae. Univ. Calif., loc. 2754. Natural size. 



Fig. 6. Cancellaria sobrantensis, n. sp. Type, no. 11238, Coll. Invert. Palae. 

 Univ. Calif'., loc. 2754. Natural size. 



Fig. 7. Cancellaria Bamonensis, n. sp. Type, no. 11237, Coll. Invert. Palae. 

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



Fig. 8. Clavella califomica, n. sp. Type, no. 11238, Coll. Invert. Palae. Univ. 

 Calif., loc. 76. Natural size. 



Fig. 9. Cancellaria sp. A. No. 11241, Coll. Invert. Palae. Univ. Calif., loe. 

 14. Natural size. 



Fig. 10. Fusinus (Exilia) lincolnensis (Weaver). No. 11242, Coll. Invert. 

 Palae. Univ. Calif. From near the top of the Kreyenhagen formation to the 

 north of Coalinga. Natural size. 



Fig. 11. Turns (Pleurotoma) thnrstonensis Weaver. Type, no. 11243, Coll. 

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



Fig. 12. Turris {Pleurotoma) thnrstonensis Weaver. Same specimen as fig. 

 11, natural size. 



Fig. 13. Miopleiona sp. No. 11244, Coll. Invert. Palae. Univ. Calif., loe. 1165. 

 Natural size. 



Fig. 14. Epitonium ventricosum, n. sp. Type, a wax cast, no. 11240, Coll. 

 Invert. Palae. Univ. Calif., loc. 1165. Natural size. 



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