PLATE XIV. 



Salenia texana Credner (p. 49). 

 Johns Hopkins Univ. T 3003, specimen B. 



Figure la. Upper surface of the test, 

 lb. Lower surface of the test, 

 lc. Lateral surface of the test. 



Hypodiadema elegans Clark, n. sp. (p. 52). 

 U. S. Nat. Mus. 31196, type. 



Figure 2a. Upper surface of the test. 

 2b. Lateral surface of the test. 



Goniopygtjs zitteli Clark (p. 52). 

 U. S. Nat. Mus. 12234, type. 



Figure 3a. Upper surface of the test. 

 3b. Lower surface of the test. 

 3c. Lateral surface of the test. 



