PLATE XXIV. 



Pedinopsis pondi Clark (p. 65). 



Johns Hopkins Univ. T 3008, type. 



Figure la. Upper surface of the test, 

 lb. Lower surface of the test. 

 lc. Lateral view of the test. 

 Id. Four ambulacral plates, X 4. 

 le. Four interambulacral plates, X 2. 



Botriopygus alabamensis Clark (p. 68). 



Acad. Nat. Sci. Philadelphia, type. 

 Figure 2a. Upper surface of the test. 

 2b. Lower surface of the test. 

 2c. Lateral surface of the test. 



2d. Portion of an ambulacrum at base of petaloidal region, X 3. 

 2e. Same in center of petaloidal region, X 6. 

 2f. An interambulacral plate, X 3. 



39S00°— 15 19 253 



