406 



INSECTS. 



[Chap. XIL 



LONGICORN BEETLE 



suitable for their pur- 

 pose ; although not 

 one was visible but 

 a moment before. 

 Their approach on 

 the wing is announced 

 by a loud and joyous 

 booming sound, as 

 they dash in rapid 

 circles in search of 

 the desired object, 

 led by their sense of 

 smell, and evidently 

 little assisted by the 

 eye in shaping their 

 course towards it. In 

 these excursions they 

 exhibit a strength of 

 wing and sustained 

 power of flight, such 

 as is possessed by no 

 other class of beetles 

 with which I am ac- 

 quainted, but which 

 (batocera eubus). jg obviously indis- 



