116 



Joshua Laerm and James L. Boone 



P. maniculatus 



Axis 2 



P. polibnotus R leuc °P us 



P. gossypinus 



Axis 2 



P. polionotus 



maniculatus 



Fig. 3. Distribution of discriminant scores generated from (a) external 

 and skull measurements and from (b) skull measurements alone plotted 

 on the first two canonical axes. Letters (the first letter of the specific 

 epithet for each species) designate the location of test specimens, letters 

 in parentheses mark misclassifications, and crosses mark group centroids. 



