220 



EXPLANATION OF PLATE 11 

 Figure Page 



63. Taras punctatus (Say) 63 



Fig. a. Exterior view. Fig. b. Interior view. 



64. Anodontia pectiiiata (Gmelin) 65 



65. Luciiia nassula Conrad 64 



66. Lucina floridana Conrad 64 



67. Liiiga aiiiiantus (Ball) 65 



68. Codakia orbiculata (Montagu) 66 



