PLATE LXIV. 



Scutella(?) conradi (Cotteau) (p. 126). 

 Acad. Nat. Sci. Philadelphia 1081, type. 



Figure la. Upper surface of the test, 



lb. Lower surface of the test, 



lc. Lateral surface of the test. 



Id. Posterior surface of the test. 



Clypeaster rogersi Morton (p. 136). 



U. S. Nat. Mus. 137801, specimen A. 



Figure 2a. Upper surface of the test. 

 2b. Lower surface of the test. 

 2c. Posterior surface of the the test. 

 2d. Lateral surface of the test. 



Clypeaster rogersi Morton (p. 136). 



U. S. Nat. Mus. 155377, specimen B. 



Figure 3a. Upper surface of the test. 

 3b. Lower surface of the test. 

 3c. Lateral surface of the test. 

 3d. Posterior surface of the test. 



39800°— 15 24 293 



