338 



PTEROPUS GIGANTEUS ANIl ARIEL. 



Measurements of sTculls and teeth of Pfceropus giganteus and ariel. 



I Pt. qiganteus. 

 ' Skulls: 20 ad. 

 Teeth: 20ad., 5 iiuni. 

 (Incl. cotypesof Pi. 

 I kelaarti and leuco- 

 I cephalus. ) 



Pt. ariel. 

 cfad. 



MiN. 



Max. 



Skull, total length to gnathion 



,, palation to incisive foramina ...j 

 ., iront of orbit to tip of nasals ...I 

 ,, width of brain-case at zjgoiDatal 



,, zygomatic width ! 



width across m', externally [ 



„ lachrymal width j 



„ width across canines, externally j 



„ postorbital constriction ' 



,, interorbital constriction 



„ width of Diesopterygoid fossa . . . 



„ between p*-p^ internally 



„ between cingula of canines 



„ orbital diameter 



Mandible, length 



,, coronoid height 



Upper teeth, c-m^ 



Lower teeth, c-m^ 



Upper incisors, combined width 



p^, length j 



,, width 



p^, length j 



,, width ! 



m', length I 



„ width : I 



m^, length 



,, width i 



Pi, length i 



,, width ! 



P3. length i 



,, width i 



P4, length j 



„ width I 



fflj, length 



,, width 



nij, length 



„ width 



ra3, length 



„ width 



mm. 



710 



34-8 



23 



26 



44-5 



21-3 



17 



16-2 

 9-7 



10-8 

 9-5 



12-7 

 9-2 



15 



57 



26-2 



27 



SO 

 7-5 

 5-7 

 3-8 

 5-5 

 41 

 6-2 

 3-7 

 3-5 

 2-7 

 2-2 

 22 

 5-6 

 31 

 6-7 

 3-2 

 6 



3-2 

 4-7 

 3-2 

 2 

 2 



