146 



GLEANINGS FROM NATURE. 



Wyandotte, an area one foot wide by one and seven- 

 tenths feet long was measured, and the bats thereon 

 were pulled off, one by one, and counted. Their 

 -number was 401 on the one and seven-tenths square 

 feet. When pulled or knocked loose from the roof 

 they fell to the floor, where they lay motionless for 

 some time, and.then began to flutter and crawl about, 

 finally becoming lively enough to fly and find a new 

 resting place. 



Fig. 34-Little Brown Bat. 



Their squealing note was uttered only as we passe* i 

 along, the light from the candles evidently disturbing 

 those which had not yet entered their winter torpid 

 state. Two other sounds they seem capable of making, 

 one, the cry of a single bat in rapid, broken notes, 

 resembling the song of a robin in a minor key; the 

 other, a noise somewhat similar to the short, quick 

 alarm note made by the common ground squirrel, 

 Tamias striatus (L.), when it espies some intruder on 

 its domain. 



They show a remarkable sense of direction in their 

 flight, passing, in a darkness so profound that man 



