no. 5 

 100 

 90 

 801 



I 601 

 d50 



^40-] 



x 

 £30 



5 20- 



10- 



TERTIARY ECHINOIDS FROM FLORIDA — KIER 



21 





*& 





+ 

 + 



10 20 30 40 50 60 70 80 90 100 

 LENGTH IN MILLIMETERS 



Fig. 12. — Clypeastcr prostratus (Ravenel). Width relative to length of test. 



to 

 cc 



Ul 



v-20 



UJ 



2 



2 10 



X 



o 



Ul 



X 



+ + 



Jiu 



* -r + 



10 20 30 40 50 60 70 80 90 100 110 

 LENGTH IN MILLIMETERS 



Fig. 13. — Clypeaster prostratus (Ravenel). Height relative to length of test. 



