PLATE LVII. 



Echinocyamus huxleyanus Meyer (p. 119). 



Johns Hopkins Univ. T 200G. 

 Figure la. Upper surface of the test, X 4. 

 lb. Lower surface of the test, X 4. 

 lc. Lateral surface of the test, X 4. 

 Id. Posterior surface of the test, X 4. 



Echinocyamus texanus Twitchell, n. sp. (p. 120). 



Johns Hopkins Univ. T 2002, type. 

 Figure 2a. Upper surface of the test, X 2. 

 2b. Lower surface of the test, X 2. 

 2c. Lateral surface of the test, X 2. 

 2d. Posterior surface of the test, X 2. 



Fibularia meridionalis (Meyer) (p. 121). 



Johns Hopkins Univ. T 2005. 



Figure 3a. Upper surface of the test, X 4J. 

 3b. Lower surface of the test, X 4 J. 

 3c. Lateral surface of the test, X 4£. 

 3d. Posterior surface of the test. 



Sismondia (?) plana Conrad (p. 121). 



Acad. Nat. Sci. Philadelphia 1080, type. 

 Figure 4a. Upper surface of the test. 

 4b. Lower surface of the test. 

 4c. Lateral surface of the test. 

 4d. Posterior surface of the test. 



Lagantjm (?) crtjstuloides (Morton) (p. 122). 

 Boston Soc. Nat. Hist. 8802a, specimen A. 



Figure oa. Upper surface of the test. 

 5b. Lower surface of the test. 

 5c. Lateral surface of the test. 

 5d. Posterior surface of the test. 



Lagantjm (?) crtjstuloides (Morton) (p. 122). 

 U. S. Nat. Mus. 164744, specimen B. 



Figure 6a. Upper surface of the test. 

 6b. Lower surface of the test. 

 Oc. Lateral surface of the test. 

 6d. Posterior surface of the test. 

 286 



