BY C. HEDLEY AND A. V. BASSET HULL. 281 



EXPLANATION OF PLATES XL -XIII. 



Plate xi. 



Figs. 1 , 1 a, 1 fc, 1 <■• —Lepidople (/r?(,s i/or/olctnsis. 

 ¥igs.2,2u,2b,2c. — Lepidopfturua catenatus. 

 Figs.3,3a,3?>,3('. — Ischnochiton inlc.rmedtus. 



Plate xii. 

 Figs. 4,4a,4/),4c,4ri,4e,4/; — AcMitkochites leuconotus. 

 Figs. 5,5a, 5b,5c,od,5e,or'. — Acanthochltes approximans. 

 Figs. 6, 6r(, 66,6c. -Cliitoii coryphens. 



Plate xiii. 

 Yigs.lJaJbJCyldJeJfJg.—ChUou lioirensis. 

 Figs. 8,8a. — Chiton funereuK. 

 Figs.9,9«,9fe,9c,9d,9e,9/'.— C)*»//»0'7i!Vo//. discrepant. 



