170 



PTEROPCrS PELEWENSIS ANB YAPENSIS. 



Measurements of skulls and teeth of Pteropns pelewensis 

 and j'apensis. 



Skull, palation to incisive foramina ... 

 ,, front of orbit to tip of nasals . . . 

 „ width of brain-case at zygomata. 



„ zygomatic width 



,, width across m\ externally 



„ lachrymal width 



„ width across canines, externally. 



„ postorbital constriction 



,, interorbital constriction 



,, width of mesopterygoid fossa ... 



,, between p^p*, internally 



,, between cingula of canines 



,, orbital diameter 



Mandible, length 



„ coronoid height 



Upper teeth, c-m^ 



Lower teeth, c-ni, 



Upper incisors, combined width 



p^ length j 



,, width 



p^, length 



,, width 



ml, length 



,, width 



m*, length 



,, width 



Pi, length 



,, width 



Pj, length 



,, width 



p,, length 



,, width 



mj, length 



„ width 



m^, length 



., width 



m3, length 



„ width 



Pi. pelewensis. 

 Type * and 

 paratype. 



Pt. yapensis. 

 Type and 

 paratype. 



S ad. 

 Type.* 



ram. 

 27-7 

 18-5 



14-8 



12 



11-8 



9 

 6 



11 



43-2 



21-2 



21-5 



23-7 



4-2 



2-8 



f? jim. 



S ad. 

 Type. 



ram. 



28-7 



20 



21-8 



362 



17 



13-8 



12-8 



7-3 



9 



7-7 



9-8 



7-2 

 11-7 

 47-5 

 242 

 22-2 

 25-7 



5-8 



4-5 



3 



45 



32 



5 



2-9 



21 



1-S 



4 



2-8 



3-9 



3 



4-4 



3 



3-7 



28 



21 



2-1 



2 jun. 



4-5 

 31 

 4-3 

 3-2 

 5-2 

 2-8 

 2-1 

 2 



21 

 1-8 

 41 



2-7 

 4-1 

 2-8 

 4-5 

 2-8 

 3-5 

 2-7 

 1-8 

 1-7 



* Teeth much worn. 



