THE NAUTILUS. 65 



ANNOTATED LIST OF THE MOLLUSCA FOUND IN THE VICINITY OF 

 LA JOLLA, SAN DIEGO CO., CAL. 



BY MAXWELL SMITH. 



(Concluded from p. 59). 

 Plate VII, view of La Jolla. 



*Odostomia pupiformis, Cpr. Mostly worn specimens. 



Gyrineum californicum Hds. Pacific Beach. Buried in mud. 



Cypraea spadicea, Gray. After violent storms. 



Trivia californica, Gray. False Bay. A few living, dead shells 

 common at La Jolla. 



Trivia solandri, Gray. Not rare. 



Erato columbella, Menke. In the drift. 



Erato vitellina, Hds. Seldom collected alive. 



*Triforis adversa, Mont. Fine shells not rare. 



Cerithiopsis tuberculata, Mont. A few small specimens. 



*Cerithiopsis metaxae, Delia Chiaje. False Bay. A single shell. 



Bittium quadrifilatum, Cpr. False Bay. On sponges. 



Cerithidea californica, Hald. False Bay. With Melampus. 



Caecum californicum, Dall. Uncommon. 



Caecum crebricinctum Cpr. Under rocks resting on clean sand. 



Vermetus squamigerus, Cpr. Plentiful under stones. 



Littorina scutulata, Gld. On the rocks. 



Littorina planaxis, Nutt. With above. 



*Lacuna unifasciata, Cpr. Plentiful. 



♦Fossarus fenestratus, Cpr. Rare. 



*Rissoa compacta, Cpr. Not often found. 



♦Rissoina aequisculpta, Cpr. Not often found. 



Truncatella californica, Pfr. False Bay. In drift. 



Truncatella stimpsoni, Sby. False Bay. With above. 



Crucibulum spinosum, Sby. Pacific Beach. Several specimens 

 have long spines. 



Crepidula aculeata, Gmel. On the beaches. 



Crepidula navicelloides, Nutt. In aperture of Natica. Identical 

 with C. plana. 



Crepidula onyx, Sby. Pacific Beach. On stones. 



Amalthea antiquatus, Linn. Under layers of rock. 



Amalthea cranioides, Cpr. With above. 



