PLATE XXXVII. 



Caediaster curtits Clark, n. sp. (p. 84). 



U. S. Nat. Mus. 31201, type. 

 Figure la. Upper surface of the test, 

 lb. Lower surface of the test, 

 lc. Lateral surface of the test. 

 Id. Apical system, X 10. 

 le. Portion of ambulacrum, X 10. 

 If. Several plates of same, X 15. 

 lg. Portion of interambulacrum, X 10. 

 lh. Interambulacral plate, X 15. 

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