RODENTS OF LIBYA 



79 



36 



35 



34 



* Gerbillus aureus 

 O Gerbillus pyramidum 



-. 33 



32 



30 



29 



28 



Q ooo 



o 

 ^ o 



oo 

 o 





* * 



* * 



* 



#* 



# * 



** 



12 3 4 5 6 



CROWN LENGTH OF UPPER MOLARIFORM T00THR0W 



Figure 11— Comparison of crown length of upper molariform toothrow relative to oc- 



cipitonasal length of Gebillus aureus and Gerbillus pyramidum. 



