BIOLOGY OF RODENTS 



213 



Enewetak 



Fig. 7 "Mean measure of divergence" (X 100) for intermolar palatal ridge 

 variations in Polynesian rats between Islets at Enewetak AtoU (Temme, 

 1981). 



Fig. 8 "Mean measure of divergence" (X 100) for Intermolar palatal ridge variations in Polynesian rats between Islets of 

 several atolis In the northern Marshall Islands (Temme, 1981). 



