PLATE XLV. 



Hemiaster whitei Clark (p. 89). 



U. S. Nat. Mus. 31202. 

 Figure la. Upper surface of the test, 

 lb. Lateral surface of the test, 

 lc. Posterior surface of the test. 



Hemiaster whitei Clark (p. 89). 



U. S. Nat. Mus. 4544. 

 Figure 2a. Upper surface of the test. 

 2b. Lower surface of the test. 

 2c. Lateral surface of the test. 

 2d. Posterior surface of the test. 

 2e. Apical system, X 5. 

 2f. Portion of ambulacrum, X 8. 

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