Pnraphouts californico, 64, 5, 16. 



Patricks Point. 39. 55, 56. 



Pecten circularis, 24, 5. 9, 66, 67. 



Pecten, rock, 25. 



Periostracum, 7. 



Pholadidea penita, 64, 5, 16. 



Piddock, 63. 



Pismo, 66, 28, 34, 53. 



Pisnio clam, 29, 66. 67. 



Platyodon cancellatns, 62, 5, 16, 67. 



Playa del Rey. 66, .14, 40, 4:2, 46, 50, 62. 



Point Arena, 39. 



Point Conception, 37, 40, 62, 64. 



Point Reyes, 40. 



Point Sal, 28, 40, 53, 64. 



Psammohia californicu, 45, 3, 14. 67. 



edevtula, 45, 5, 14. 67. 

 Purple clam, see Clam. 

 Razor clam, see Clam. 

 Razor shell, see Clam. Razor. 

 Rock cockle, see Cockle. 



Rock clam, see Clam. 



Rock oyster, see Oyster. 



Rock scallop, see Scallop. 



Russian River, 39, 59. 



San Francisco Bay, 65, 24, 37, 42, 44, 56, 

 57, 60, 61. 



San Diego Bay. 66, 28, 34, 37, 38, 40, 46, 

 50, 62. 



San Pedro Bay, 66, 26. 29, 34, 38, 46, 47. 



Sanpuinolaria nnttalli, 46, 5. 13, 67. 



Santa Barbara, 28, 37. 40, 42, 48, 50, 64. 



Santa Cruz, 34, 37. 



Santa Monica, 34. 



Saxidovius giganteus, 35, 5, 11, 65. 

 nnttalli. 35, 5, 11, 65. 



Scallop, 24. 



Scallop, rock, 25. 



Schi.zothaerus nnttalli, 54, 5, 15, 65. 



Sea clam, see Clam. 



Sea mussel, see Mussel. 



Senicle dccisa, 45, 5, 13. 



Shell, 6. 



Shelter Cove, 39. 



Siliqna hicida, 50, 5, 15. 



patnla, 50, 5, 15. 

 Siphon, 6, 7, 18. 

 Soft-shell, 56, 65, 67. 

 Soft clam, see Clam. 

 Solen rosaceus, 50, 5, 15. 



sicarius, 50, 5, 15. 

 .Summer clam, see Clam. 

 Sunset shell, 45. 

 Tagelns californicu, 48, 5, 15. 

 Tomales Bay, 40. 

 Tellina hodegensis, 42, 5, 12. 

 Tellen, 42, 67. 

 Tivela sttilt07-U7n. 29, 5, 11. 

 Tomales Bay, 65, 24, 28, 36, 40, 41, 55, 



59, 61. 

 Tomales Bay cockle, 38. 

 Trinidad, 39, 55. 

 Umbo, 7. 

 Valve, 6. 



Ventura, 66, 37. 38. 40. 42. 62, 64. 

 Washington clam, see Clam. 

 Wedge shell, 47, 66, 67. 

 Where to look for the bivalves here 



treated, 67. 

 White sand clam, see Clam. 

 Wilson's Creek, 36. 55, 56. 

 Zivfaca gabhi. 63, 5. 16, 67. 



