82 PALAEONTOLOGY OF CALIFORNIA. 



Crypto, princeps, Con.; P. R. R. Rep., Vol. 5, p. 326, pi. 6, fig. 52. 



Miocene, Walnut Creek, Martinez, Foxin's, Astoria, Tomales, Kirker's Pass, 

 and elsewhere; Pliocene, San Fernando, Santa Barbara, Half-Moon Bay, 

 Kirker's Pass, Santa Rosa, Russian River ; Post-Pliocene, Santa Barbara, 

 San Pedro. Living. 



C. LINGULATA, Grid., Sp. 



Crepidula lingulata, Gld. ; Otia, p. 15. 



Crypta lingulata, H. & A. Ad. ; Gen. Rec. Moll., Vol. 1, p. 369. 



Post-Pliocene, Santa Barbara. Living. 



C. ADUNCA, Sby., sp. 



Crepidula adunca, Sby. ; Tank. Cat., app., p. 7. 

 Crypta adunca, H. & A. Ad. ; Gen. Rec. Moll , Vol. 1, p. 369. 

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

 If adunca, Sby. = rostriformis, Gld., as believed by Carpenter, tben this species 

 will probably include rostralis, Con., from the Oregon Miocene. 



C. NAVICELLOIDES, Nutt, Sp. 



Crepidula navicelloides, Nutt. ; Jay's Cat., 3035. 

 Crypta id., Cpr. ; Brit. Assn. Rep. 

 Post-Pliocene, Santa Barbara. Living. 



C. DORSATA, Brod., sp. 



Crepidula dorsata, Brod. ; Zool. Proc., 1834, p. 38. 



Crypta dorsata, H. & A. Ad. ; Gen. Rec. Moll., Vol. 1, p. 369. 



Pliocene, San Fernando. Living. 



HIPPONYX, Defr. H. GRAYANUS, Mke. 



H. Grayanus, Mke. ; Proc. Zool. Soc., Lond., 1856, p. 4. 

 Post-Pliocene, San Pedro. Living. 



PHASIANELLA, Lam. P. COMPTA, Gld. 



P. compta, Gld. ; P. R. R. Rep., Vol. 5, p. 333, pi. 11, fig. 25, 26. 

 P.perforata, Phil. ; Zeitsch. f. Mai. 1848, p. 164, (teste Rve.) 

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

 Carpenter denies the correctness of Reeve's opinion in this case. 



