THK NAUTILUS. 43 



Odostomia (Ividea} navisa Dall and Bartcli. 12 fathoms. 



Odostomia (Evalea) valdezi Dall and Bartcli. 12 fathoms, two 

 specimens. 



Priene oregonense Redfield. Fishermen ; rare. 



Gyrine.um californicum Hinds. Fishermen. Also dredged in 12 

 fathoms. Of rather frequent occurrence. 



Pedicularia californica Newcomb. On corals brought in by the 

 fishermen. One beautiful specimen is over half an inch in diameter. 



Trivia californica Gray. 12 fathoms ; one live specimen. 



Radius variabilis C. B. Adams. The dealers and fishermen often 

 show examples of this species said to have been found in the bay, but 

 the first really authentic specimen from Monterey seen by the writer, 

 was a single immature specimen dredged by him. 12 fathoms; 

 living. 



Radius barbarensis, Dall. Fishermen. Quite rare. The only 

 specimen obtained is over an inch in length and one of the most 

 beautiful products of the bay. 



Erato columbvlla Menke. Low tide. 



Erato vitelllna Menke. Several beautiful examples were found 

 alive at low tide. 



Triforis adversus Montagu. Between tides. 



Triforis montereyensis Bartsch. 12 fathoms; a single broken 

 specimen. 



Metaxia diadema Bartsch. 12 to 28 fathoms; rare. 



Seila assimilata C. B. Adams. Between tides. 



Cerithiopsis purpurea Carpenter. Between tides. Dead shells 

 common. 



Cerithiopsis munita Carpenter. 12 fathoms. 



Cerithiopsis tuberculata Carpenter. Low tide. 



Cerithiopsis interfossa Carpenter. On the beach ; one specimen. 



B ittiurn filosum Gould. Between tides ; plentiful. 



Bittium esuriens Carpenter. Between tides; not common. 



Cacum californicum Dall. 12 fathoms; plentiful. 



Ccecum quadratum Carpenter. Found occasionally with the pre- 

 ceding. 



Ctzcum crebrictnctum Carpenter. Rather commonly with the 

 preceding. The specimens were unusually large and fine. 



Vermetus lituella Carpenter. Between tides. 



Vermetus squamigerus Carpenter. Between tides ; not common. 



