1064 MR. R. I. POCOCK ON 
is a very distinct lobe upon the “antihelix”*; but whereas in 
M. foina this lobe is thick and fleshy, in W/. martes it is com- 
pressed and scale-like. Finally, the integumental flap at the back 
of the ear, like the pinna of the ear itself, is longer in J/. martes 
than in J, foina (text-fig. 3). 
It is probable that the length and breadth of the ears will be 
found to vary locally in both MW. martes and IM. foina; but many 
more measurements than have as yet been taken must be 
recorded before the average difference in size of these organs 
between the two species can be established. 
Text-figure 2. 
Beech Marten (Martes foina), 
Feet.—From the appearance of living animals I supposed at 
one time that J/. martes was a longer legged form than J/. foina; 
but measurements of specimens in the flesh show that this is 
not so. The feet are apparently of practically the same shape 
in the two. The four main digits are separated by subequal 
intervals and webbed, as in the Canide, practically to the level 
of the proximal margins of the digital pads. These digits, more- 
over, are very nearly symmetrical in the sense that the second 
and fifth and the third and fourth toes are respectively almost 
* The plica principalis of Boas, ‘ Ohrknorpel und ausserer Ohr,’ 1912. 
