18 PLEISTOCENE MAMMALIA. 
TEXT-FIG. 3. 
TExtT-FIa@. 4. 
Texv-ria. 3.—a. Left humerus of a common fox (Canis vulpes) seen from the inner side. 
of an Arctic fox (Canis lagopus) seen from behind. Both from Ightham (Corner Coll.). 
size. 1, head; 2, greater tuberosity; 3, lesser tuberosity ; 4, supra-trochlear foramen ; 
condyle ; 6, trochlea ; 7, deltoid ridge. 
Texr-riag. 4.—a, Right radius of a common fox (Canis vulpes) seen from front, 
Arctic fox (Canis lagopus) seen from behind. 
Corner Coll.), % natural size. 1, surface for articulation with ulna ; 
carpus. 
5, 
B. Left humerus 
2 natural 
internal 
B. Left radius of an 
Both from Ightham (Brit. Mus., No. M.7232, and 
2, surface for articulation with 
(3) Taste or Comparative Measurements or Bones or ANTERIOR Limp. 
C. lagopus 
(left). 
Pleistocene. 
Ightham, near | 
Maidstone. 
(Corner Coll.) 
C. lupus (left). “at 
Pleistocene. Pleistocene 
Humerus. Banwell. Ightham, near 
No. 44640 |S, 25 72 
(Brit. Mus.). Maidstone. 
| (Corner Coll.) 
Me Mammen eth. Mos Sox saceae behact chore ceeds eek te re: 19°75 12°3* 
| 2. Diameter of proximal end passing across centre of 
act asa sur mace ae ppeaten tuberosity ...... sb 2°6 
at middle Of deltoid 
niles |b Ses EBOROE GCE eRe San IEE ae OEE on ame ay tne 2:5 | Teeal 5 
4. Transverse diameter at same point .. i tae Mek ne Ord ets) 08 
_ 5. Maximum transverse diameter at distal end. . aes 4-4, 271 
* Figured. 
4k 
