Pomona College, Claremont, California 1 1 1 



Myurella simplex Cpr. Simple Auger Shell. Fig. 111. 



Amphissa versicolor Dall. Joseph Coat. Fig. 112. Slightly 

 enlarged. 



Calliostoma canliculatum Mart. Channeled Top Shell. Fig. 113. 



Polynices recluziana Desh ( ?). Southern Moon Shell. rug. 1 14. 

 under side. 



Amalthea antiquata Linn. Ancient Hoof Shell. Fig. 1 15. 



A malthea tumens Cpr. Sculptured Hoof Shell. Fig. 116. 



F oss arus fene stratus Cpr. Windowed Isapis. Fig. 117. 



Lacuna unifasciata Cpr. One-banded Chink Shell. Fig. 118. 



Melampus olivaceus Cpr. Olive Ear Shell. Fig. 119. 



Janthina trifida Nutt. Violet Snail. Shell violet. Jahraus col- 

 lection. Fig. 120. 



Leptothyra carpenteri Pilsb. Red Turban Shell. Fig. 121. 



Leptothyra baccula Cpr. Berry Turban. Fig. 122. 



Calliostoma tricolor Gabb. Three-colored top shell. Fig. 123. 



Haliotis rufescens Swains. Red Abalone. Quite common near 

 Laguna. 



Haliotis crachcrodii Leach. Black Abalone. More common than 

 the red. 



TOOTH SHELLS 



Dentalium neohexagnum S. and P. Hexagional Tusk Shell. 

 Dredged off Laguna. 



CHITONS 



Mophia hindsii Sby. Hind's Chinton. Fig. 124. 



Mophia mucosa Gld. Mossy Chiton. Fig. 125. 



1 schno chiton clathratus Rve. Fig. 126. 



Ischnochiton magdalensis Hinds. Gray Chiton. Fig. 127. 



Nuttallina scabra Rve. Scaly Chiton. Fig. 128. 



Nuttallina calif ornica Nutt. California Chitton. Fig. 129. 



Trachydermon dentiens Gld. (Pseudodenturus) . Fig. 130. 

 Lcpido pleura s rug at as Cpr. Fig. 131. 



Callistochiton crassico status Pilsb. Thick-ribbed Chiton. Fig. 132. 

 Tonicella hartwegii Cpr. Hartweg's Chiton. Fig. 133. 



