Collected by Robert E. C. Stearns. 



Pupilla Californica, Howell. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Physa diaphana, Tryon. 



Alameda County, California. 

 From Robert E. C. Stearns. 



Deiitalium Indianorum, Cpr 



Vancouver Island, B. C. 

 Collected by Robert E. C. Stearns. 



Chiton tunicata, Wood. 



Purissima, California. 

 Collected by Robert E. C. Stearns. 



Chiton hneata, Wood. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Chiton muscosa, Gld. 



Baulines Bay, California. 

 Collected by Robert E. C. Stearns. 



Chiton Hindsii, Gray. 



San Francisco Bay, California. 

 Collected by Robert E. C. Stearns. 



Chiton scabra, Kve. 



Monterey, California. 



Collected by Robert E. C. Stearns. 



Chiton Magdalensis, Hds. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Chiton regularis, Cpr. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Nacella incessa, Hds. 



Baulines Bay, California. 

 Collected by Robert E. C. Stearns. 



Nacella depicta, Hds. 



Monterey, California. 



Collected by Robert E. C. Stearns. 



Acmtea patina, Esch. 



Purissima, California. 

 Collected by Robert E. C. Stearns. 



Acmsea pelta, Esch. 



Purissima, California. 

 Collected by Robert E. C. Stearns. 



Acmaea Asmi, Midd. 



Baulines Bay, California. 

 Collected by Robert E. C. Stearns. 



Acmsea persona, Esch. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Acmsea scabra, Nutt. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Acmtea spectrum, Nutt. 



Purissima, California. 

 Collected by Robert E. C. Stearns. 



Lottia gigantea, Gray (Shy?) 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Scurria mitra, Esch. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Howella radiata, Cp. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Fissurella volcano, Rve. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Glyphis aspera, Esch. 



Monterey, California. 

 Collected by Robert E. C. Stearns. 



Haliotis Cracherodii, Leach. 



Monterey, California. 



i>l521^ 



