no. 5 



TERTIARY ECHINOIDS FROM FLORIDA — KIER 



51 



H 



rr 

 o 



M 

 w 



_i 



ti60 



tn 



£&0 



cr 

 o 



g40 



-30 



^£0 



o 



ccIO 



10 20 30 40 50 60 70 80 



LENGTH IN MILLIMETERS 



90 100 



Fig. 49. — Rhyncholampas evergladcnsis (Mansfield). Number of pore-pairs 

 in posterior zones of petals II or IV relative to length of test. 



* •.••. 



• • • 



• • * 



*...» % 



Fig. 50. — Rhyncholampas evergladensis (Mansfield) : Floscelle of U.S.N. M. 

 648148, from the Tamiami formation, loc. 9, X 5. 



