68 



Animal Life and Intelligence. 



n 



Metacarpal 

 30 mm - 



III - 



Phalanges of Digit 

 Sl-5mm ~ 



IV 



Metacarpal 

 82mm ' 



IV 



Phalanges of Digit 

 18-5 mm. 



V 



Metacarpal 

 31 mi 



Phalanges of Digit 

 18-5 mm 



\/ 



Fig. 14. The long-eared bat (Plecotus auritus). 



