Pomona College, Claremont, California 111 



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



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

 enlarged. 



Calliosloiim ctiiilidiltiliiiii Mart. Channeled Top Shell. Fig. 113. 



Polyniccs rciliizituui T)esh (?). Southern Moon Shell. Fig. 114. 

 under side. 



Jnialthi'ii iuitiquata Linn. Ancient Hoof Shell. Fig. 1 15. 



J iini 1 1 lu'ti til Die IIS Cpr. Sculptured Hoof Shell. Fig. 116. 



Fossanis fcncstratiis Cpr. Windowed Isapis. Fig. 117. 



1 .iiciina iiiiifiiscidlii C\)v. ( )nc-handed Chink Shell. Fig. 118. 



Mcliiiii pus oliviicciis Cpr. ( )llve Far Shell. Fig. 119. 



Jciiilliiiici trifidii Xutt. \'i()lct Snail. Shell \iolet. Jahraus col- 

 lection. Fig. 120. 



Leptothyra carpcnicri Pilsb. Red Turban Shell. F^ig. 121. 



Leptolhyra hacciild Cpv. Berry Turban. Fig. 122. 



CaUiostoiiiii tricolor Gabb. Three-colored top shell. F1g. 123. 



Haliotis rufesceiis Swains. Red Abalone. Quite common near 

 Laguna. 



Haliotis crcichcrtidii Leach. Black Ahalone. More common than 

 the red. 



TOOTH SHELLS 



Dciitiiliiiiii iicohcxiiijiiinii S. and P. Hexagional Tusk Shell. 

 Dredged oft Laguna. 



CHITONS 



Mopliiii liiiidsii Shy. Hind's Chinton. Fig. 124. 



Mophia mucosa G\i\. Mossy Chiton. Fig. 125. 



Ischiiocliitoii clathratiis Rve. Fig. 126. 



Ischiiochiton magdaleiisis Hinds. Gray Chiton. Fig. 127. 



Nuttalliiia scabra Rve. Scaly Chiton. Fig. 128. 



Niittalliiia califoriiica y,utt. California Chitton. Fig. 129. 



Trachydermon deiitiens GId. ( Pseudodenturus) . Fig. 130. 



Lcpidopleiiriis riigatiis Cpr. Fig. 131. 



Callistochitoii crassicoslatiis Pilsb. Thick-ribbed Chiton. Fig. 132. 



Touicclla harlzicijii Cpr. Hartweg's Chiton. Fig. 133. 



