2 ARKIV FÖE ZOOLOGI. BAND 12. NIO 13. 



measurements of three skulls of Ps. lycoides are found, in 

 the fourth the corresponding ones of a Ps. magellanicus 

 skull from Chile which latter agree very closely with those 

 published by Mivart in his »Monograph of the Canidce». 

 Although the sex is not indicated, it may be presumed that 



Ps. lycoides 



Greatest length of skull 



Condylo-incisive length 



Basal length • • 



Sphenoid suture to gnathion 



Zygomatic breadth 



Distance from orbit to tip of premaxillary 



Length (greatest) of nasals 



Interorbital breadth 



Distance between postorbital processes . . 



Postorbital constriction 



Breadth of braincase 



Length of palate 



Length of bulla 



Breadth of bulla 



Breadth across posterior end of p* . . . • 



» » m' 



» » p^ 



Front of canine to hind surface oi m? ... 



Greatest length of p* . 



Outer » » » 



Length of m^ 



Greatest breadth of m^ 



Length of m^ 



Breadth » » * • 



Length oi m^ 



» » Wj • • • 



» » ywj 



Length of mandible, condyle to front of 

 symphysis 



104,5 

 85,7 

 74,4 

 36,5 

 45,7 

 29,5 



95 



22,5 

 12,7 

 54 

 47,2 

 26,5 

 84 

 18,4 

 17,5 

 11,2 

 16,5 

 7,7 



11,1 



18 



8,8 

 O 



147 



122 



