70 



MR. W. STORKS FOX ON BONES 



[Jan. 16, 



powerful animal than F. lynx ihorealis) in the British Museum 

 and the dweller in the Teesdale cave ; for in it the deltoid ridge 

 is strongly developed, but is not markedly so in the other two 

 specimens. The supinator ridge is prominent in all three. If 

 the Cales Dale bone had been complete it would have exceeded 

 the Teesdale one in length. 



In the following table the last two columns are taken from 

 Mr. Davies's article. 



Measurements of Humerus. 



One nearly perfect left os innominatum (text-fig. 26 D) and a 

 fragment of a right-side one do not appear to have belonged to 

 the same animal, for the fragment seems to belong to a less recent 

 date than the other, and to a larger animal. The bone from the 

 left side lacks only the epiphyses on the extremities of the ilium 

 and ischium. It has the roughened ridge above the acetabulum 

 more pronounced than the corresponding bone of the British 

 Museum skeleton, and is generally rather heavier in build, but in 

 all other respects the two are exactly similar in every detail. 



Measurements of Os innominatum. 



F. lynx 



(left). 



Cales Dale. 



Minimum circumference of ilium 



Minimum across ilium (from pubic to ischial 

 surface) 



Minimum circumference of ischium (between 

 acetabulum and ischial tuberosity) 



Across acetabulum 



Maximum length — between extremities of 

 ilium and ischium 



2-46 



1-96 



•79 



*5-90 



F. lynx 



(right). 



Cales Dale. 



2^71 

 VV2, 



2-05 

 •81 



F. lynx 



{horealis) 



Brie. Mus. 



1230 A. 



2-24 

 •90 



1-71 



•81 



6^18 



* The apparent shortness is due to the loss of the epiphyses. 



The hind limb is represented by two fragments of femur, 

 namely, the proximal end and part of the shaft of one from the 

 left side (text-fig. 26 E) ; and the head of another, also from the 

 left side. The larger fragment is perfect except that the lesser 



