PLATE 21 



inch. p. 

 4 Inches. 



Cyclinella tenuis Recluz. Sanlbel, Florida. 1 



Venus campechlensls Gmelin. Sanibel, Florida. 



Venus mercenaria notata Say. p. 54. 



Semele bellastrlata Conrad. Key West, Florida. 



Chione cancellata Linnfe. Lake Worth, Florida. 



Venus mercenaria Linnfe. New England. 3 inches 



Anomalocardia cimeimeris Conrad. Lake Worth, Florida 



Anomalocardia brasillana Gmelin. 21 mm. p. 55. 



Parastarte triquetra Conrad. Palm Beach, Florida. 3 mm. 



Chione latirata Conrad. Yamato, Florida. 1.5 inches, p. 



Antigona llsteri Gray. Biscayne Bay, Florida. 2.5 inches 



20 mm. 

 1 inch, 

 p. 54. 



53. 

 P- 



55. 



61. 

 53. 



17 mm. 



55. 



p. 56. 

 54. 



p. 53. 



