THE OALmPlTHEGUS. 
261 
tending all round its body to the extremities of the toes, 
and to the point of the rather long tail. This enables it 
Fig. 299.— Common Shrew. 
to pass obliquely through the air from one tree to another. 
Wallace observed one fly seventy yards, the amount of de- 
scent not being more than thirty-five or forty feet, or less 
Fig. 300. — Common Mole {Scalops aquaticus Linn.). 
than one in five. ^^This I think proves that the animal 
must have some power of guiding itself through the air, 
