TERTIARY FOSSILS. 75 



N. PERPINGUIS, Hd8. 



JV. perpinguis, Hds. ; Voy. Sulphur, p. 36, pi. 9, fig. 12, 13. 



N. interstriata, Con. ; P. R. R. Rep., Vol. 5, p. 327, pi. 6, fig. 49. 



Pliocene, San Fernando; Post- Pliocene, San Pedro, Santa Barbara. Living. 



PURPURA, Brug. P. SAXICOLA, Yal. 



P. saxicola, Val. ; Voy. Venus, pi. 8, fig. 4. 

 P. canaliculata, Duel. ; An. N. Sc., 1832, p. 104, pi. 1, fig. 1. 

 P. ostrina, Gld. ; Otia, p. 225. 



P. lapillus, Coop. ; (not Linn, sp., Lam.), N. Hist. Washn. Terr., p. 372. 

 P. attenuata, Eve. ; Icon. Conch., pi. 10, fig. 49. 

 P. emarginata, Desh. ; (not Rve.), Mag. de Zool., 1841, pi. 25. 

 Pliocene, Santa Rosa, Kirker's Pass, San Fernando ; Post-Pliocene, Santa 

 Barbara. Living. 



MONOCERAS, Lam. M. LUGUBRIS, Sby. 



Monoceras lugubris, Sby. ; Genera, No. 5, fig. 3. 

 Post-Pliocene, Santa Barbara Island. Living. 



M. ENGONATUM, Con. 



M. engonatum, Con. ; Jour. Phil. Acad., 1 Ser., Vol. 7, p. 264, pi. 20, fig. 17. 

 M. unicarinatum, Rve. ; Icon. Conch., sp. 1. 

 Post-Pliocene, San Pedro. Living. 



CUM A, Humph. C. BIPLICATA, Gabb. 



C. biplicata, Gabb; Pal. Cal., Vol. 2, p. 9, pi. 2, fig. 14. 

 Miocene, Martinez. 



OLIVELLA, Swains. O. BIPLTCATA, Sby. sp. 



Oliva biplicata, Hby. ; Tank. Cat., App., p. 33. 



Olivella biplicata, Cpr. ; B. A. Rep., 1863, p. 661 ; H. & A. Ad.; Gen., p. 146. 



Post-Pliocene, Santa Barbara, San Pedro, San Diego. Living.. 



O. PEDROANA, Con. sp. 



Strephona Pedroana, Con. ; P. R. R. Rep., Vol. 5, p. 327, pi. 6, fig. 61. 

 Olivella bcetica, Cpr.; B. A. Rep., 1863, p. 661. 

 Post-Pliocene, Santa Barbara, San Pedro. Living. 



