TERTIARY FOSSILS. 85 



TROCHISCUS, Sby. T. Nourish, Sby. 



Trochiscus Norrisii, Sby. ; Mag. N. Hist., 2 Ser. 



T. convexus, Cpr. ; Brit. Assn. Rep., 1863, p. 652 (juv.). 



Post-Pliocene, Santa Barbara. Living. 



LEPTOTHYRA, Cpr. L. bacula, Cpr. 



Leptonyx bacula, Cpr. ; Brit. Assn. Rep., 1863, p. 652. 

 Leptothyra bacula, Cpr. ; Brit. Assn. Rep., 1866. 

 Post-Pliocene, Santa Barbara. Living. 



L. SANGUINEA, Cpr. 



Leptonyx sanguinea, Cpr. ; Brit. Assn. Rep., 1863, p. 652. 

 Leptothyra sanguinea, Cpr.; Brit. Assn. Rep., 1866. 

 Post-Pliocene, Santa Barbara. Living. 



MARGARITA, Leach. M. acuticostata, Cpr. 



Margarita acuticostata, Cpr. ; Brit. Assn. Rep., 1863, p. 653. 

 Post-Pliocene, San Pedro. Living. 



M. SALMONEA, Cpr. 



M. salmonea, Cpr. ; Brit. Assn. Rep., 1863, p. 653. 

 Post-Pliocene, Santa Barbara. Living. 



HALIOTIS, Linn. H. rufescens, Sby. 



Haliotis rufescens, Sby. ; App. to Bligh. Cat., p. 2. 



Id., Reeve ; Icon. Conch., pi. 2, sp. 6. 



Post-Pliocene, San Pedro and San Nicholas Island. Living. 



LUCAPINA, Gray. L. crenulata, Sby., sp. 



Fissurella crenulata, Sby. ; Conch. 111., No. 19, fig. 31, 38. 

 Lucapina crenulata, Cpr. ; Zool. Proc, 1856, p. 223. 

 Post-Pliocene, San Pedro. Living. 



GLYPHIS, Cpr. G. aspera, Esch., sp. 



Fissurella aspera, Esch. ; Zool. Atl., pt. 5, p. 21, pi. 23, fig. 5. 

 Glyphis aspera, Cpr. ; Zool. Proc, 1856, p. 223. 

 Post-Pliocene, San Pedro. Living. 



