PLATE LII. 



Hemiasteb kummeli Clark (p. 97). 



Geol. Survey New Jersey, type. 

 Figure la. Upper surface of the test, 

 lb. Lower surface of the test, 

 lc. Lateral surface of the test. 



Hemiaster welleri Clark (p. 98). 



Geol. Survey New Jersey, type. 

 Figure 2a. LTpper surface of the test. 

 2b. Lower surface of the test. 

 2c. Lateral surface of the test. 



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