CTURE II. 51 



Cannot be supposed to have that sense very deli- 



. In fly ing tin-on- !i tin- mid. Ik- of a narrow 

 passage which timnd at n-Jit ail"!. >, the Bali 

 regularly bent their flight at the curvature, though 

 two f it distant from tin- nails. They discovered 

 r their retreat ; found a : j>lace on 



thr cornice] a\<.iled the branches of trees sus- 

 j iidcd iii a room; ll-\v thruugh threads hung 



iiilicularly from the ceiling, without touching 

 them, though they were scarcely at a greater 

 distance from each other than that of t! 

 tended \\mu r -s and \\hrn the threads were brought 

 IT, th y contracted their wings to pass through 

 them. They equally avoided every obstacle, 

 though the whole head was covered with a varnish 

 madr of Sund.iiach dissolved in spirit of wine. 



" The ear could not have discovered a cor- 

 nice, or the threads ; this sense therefore docs not 

 compensate the want of vision. Besides, Bats 

 fly equally well when the ear is most carefully 



red. The smell might possibly aist them; 

 for when the nose was stopped, they breathed 

 \\ith dilliculty, and soon fell. While they did lly. 

 hweur, they avoided obstacles very well; and 

 the smell could scan : in dis- 



