330 



R. J. Anderson, 



Cebus 



Mycetes (young) 



Green Monkey 

 Troglodytes (young) 6,5 



P. F. 



3.4 cm 5,7 cm 



4.6 „ 5,2 „ 



5.7 „(lat.) 



3.5 „ 4,0 „ 



6,5 



N. 

 1,5 cm 

 1,7 „ 



1.2 „ 



2.3 ,. 



(P. = Parietal. F. = Frontal. N. = Nasal.) 



Fig. 24. 

 Felis tigris. 



Fig. 25. 

 Bradypus. 



The types selected show some of the most interesting variations and 

 great lateral extensions in some become of interest when compared 

 with the mesial antero-posterior diameter. The frontal comes first 

 into operation in affording resistence to impulses given to the maxillae, 

 and the temporal experiences the impulse of the mandibles. The jugals, 



