108 Journal of Entomology and Zoology 



Cardium (Livocardium) sub stria turn Conr. Fig. 18. 

 Tivela (Pachydesma) crassatelloides Conrad. Fig. 19. small 

 specimen. 



Chione fluctifrage Sby. Fig. 20. 



Chione succincta Val. Fig. 21. 



Chione undatella Sby. Fig. 22. 



Don ax laevigata Desh. Fig. 23. 



Tagelus californicus Conr. Fig. 24. 



Macoma nasuata Conr. Bent-nosed Macoma. Fig. 25. 



Macoma indent ata Cpr. Indented Macoma. Fig. 26. 



Macoma inflalula Dall. Inflated Macoma. Fig. 27. 



Samele rupium Sby. Semele -of-the-Rocks. Fig. 28. 



Cumingia californica Conr. California Cuming-shell. Fig. 29. 



Mxa (Cryptomya) californica Conr. False Mya. Fig. 30. 



Spisn/a planulata Conr. Fig. 31. 



Spisula falcata Sid. ( ?) . Falcate Mactra. Fig. 32. 



P aphia s famine a Conrad. Ribbed Carpet-shell. Fig. .}3. 



Paphia tenessima Cpr. Finest Carpet-shell. Fig. 34. 



Paraphilias californica Conr. California Piddock. Fig. 35. 



Pholadidea penita Conr. Common Piddock. Fig. 36. 



Pholadidea subrostrata Sby. Little Borer. Fig. 37. 



Milneria minima Dall. Last Milner-shell. Fig. 38. 



Aula (Nucula)casternsis Hinds. Camp Nut-shell. Fig. 39. 



FRESH-WATER AND LAND SHELLS UNIVALVES 

 Physa heterostropha Say. Laguna stream. Fig. 40. 

 Physa Occident alis Tryon. Aliso Lake. Fig. 41. 

 / j m no physa pains tris Mull. Fig. 42. 

 Planorbis (Helisoma) trivolvis Say. Fig. 43. 

 Helix as per a Mull. Fig. 44. 

 Epiphragmophora Sp. Fig. 45. 



MARINE UNIVALVES 

 Acmea persona Esch. Mask Limpet. Fig. 46. 

 Acmea spectrum Nutt. Ribbed Limpet. Fig. 47. 

 Acmea patina Esch. Pale Limpet. Fig. 48. 

 Acmea scabra Roe. Tile Limpet. Fig. 49. 



