Pomona College, Claremont, California 113 



Turritella mesalia lacteola Cpr. Pure white. (No figure.) 



Bithium aspera Gabb. Brown. PI. IV. Fig. 7 XlO. 



Turbonilla stylina Cpr. ( ?). PI. IV. Fig. 8 XlO. 



Turbonilla costanea Cpr. (?). PI. IV. Fig. 9 XlO. 



Anachis subturiata Cpr. ( ?). PI. IV. Fig. 10 XlO. 



Amphissa versicolor Dall. Pink, white, brown. PI. V. Fig. 

 16 X6. 



Corbila luteola Cpr. Small bivalve. 



Philobrya setosa Cpr. Small bivalve. PI. V. Pig. 17 X6. 



Acila castrensis Hds. Brownish. PI. V. Fig. 18 X6. 



Carditanera minima Dall. Brownish-yellow. PI. IV. Fig. 1 1 

 XlO. 



Crassatella marginata Cpr. PI. IV. Fig. 12 XlO. 



Lasea rubra Mort. Tinged with red. PI. V. Fig. 19 XlO. 



Area solida Br. & Shy. ( ?). PI. V. Fig. 20 XlO. 



(Contribution from the Zoological Laboratory of Pomona College) 



