INSECT VARIETY. 



141 



alders. This eoleoptei-on belongs to the numher that place 

 themselves as if dead vi^hen captured, folding- in its feet and 

 compressed rostrum close to the sternum. After he has re- 

 mained in this position for some seconds, he begins to move 

 on his legs, at which time, if held fast between the fingers, 

 or in the closed hands, his sound becomes audible. \^estring, 

 who noticed a lifting movement of the abdomen during the 

 production of this creaking, ascribes to it a lima, in the form 



PEAK OF TENERIFFE, N. 70° W. 



(-•1(1 oiitiier of the I'ahmixtic Fauna.) 



of an oval opaque surface on the fore part of the last dorsal 

 arc but one, at either side, which, under a powerful magni- 

 fying-glass, appears scabrous or shagreened. The structure he 

 also finds in the genus Enrhinus of Schonherr. 



The stridulation of the genus of Weevils [Acalles, Schon.), 

 was established by the late coleopterist, Mr. T. V. Wollaston, 

 who informs us that while residing in a remote village in 

 the north of Teneriffe, during a yachting voyage in the spring 

 of 1859, his Portuguese servant brought him eleven specimens 

 of, he believed, Acalles argillosus (Schon.), he had captured 



