TERTIARY FOSSILS. 115 



TROCHITA, Sebum. T. Diegoana, Con. 



T. Diegoana, Con. ; P. R. R. Rep., Vol. 5, p. 327, pi. 5, fig. 42. 

 Miocene, Sun Diego. 



CRYPTA, Humph. C. rostralis, Con. 



C. rostralis, Con. ; Jour. Conch.. 1865, p. 151. 



Indet , Con. ; Wilkes's Exped., 1850, pi. 19, fig. 11. 



Probably the same as C. rostriformis, Gld. ; Proc. Bost. N. Hist. Soc, 1840, 



p. 1G0, and C. rostriformis, Gld. ; Wilkes's Exped., Mollusca,p. 375, pi. 32, 



fig. 482. 

 Miocene, Astoria. 



VANIKORO, Quoy & Gaim. ? V. Diegoana, Con., sp. 



Narica Diegoana, Con. ; P. R. R. Rep., Vol. 5, p. 326, pi. 5, fig. 39. 

 Vanikoro Diegoana, Meek; Check List, Miocene, No. 498. 

 Miocene, San Diego. 



CEMORIA, Leacli. C. crucibuliformis, Con. 



Diadora crucibuliformis, Con. ; Proc. Phil. Acad., 1855, p. 267. 

 Id., Con. ; P. R. R. Rep., Vol. 6, p. 73, pi. 5, fig. 23. 

 Cemoria id., Con. ; in Meek's Check List, No. 467. 

 Post-Pliocene, Santa Barbara. Living. 



DENTALITJM, Linn. D. substriatum, Con., sp. 



Teredo substriata, Con. ; Wilkes's Exped., 1850, p. 728, pi. 20, fig. 7. 

 Dentalium substriatum, Woodw. ; Brit. Assn. Rep., 1856. 

 Dentalium substriatum, Con. ; Jour. Conch., 1865, p. 151. 

 Miocene, Astoria, Oregon. 



ACTiEON, Montf. A. ellipticus, Trask, sp. 



Tornatella elliptica, Trask ; Proc. Cal. Acad., 1855, p. 42. 

 Actceon elliptica, Meek ; Check List, No. 434. 

 Post-Pliocene, Santa Barbara. 



CYLICHNA, Loven. C. Oregona, Con. 



C. Oregona, Con. ; Jour. Conch., 1865, p. 151. 



Bulla petrosa, Con. ; Wilkes's Exped., p. 727, pi. 19, fig. 8. 



Miocene, Astoria. 



