418 



INSECTS AT HOME. 



collections nearly all are impostors, having been brought from 

 the Continent, and then sold as genuine British siDecimens. 

 The professional collectors, who make a living by the sale of 

 insects, are terribly addicted to this trick, and although several 

 of them are good practical naturalists, and have done service to 

 science by discovering the haunts of sundry rare insects, the 

 generality have no more conscience than dog-dealers or jsigeon- 



ZLIV 



1. Anthrocpra filipend'Ure. 

 a. !Deilephila, larva. 



2. Sesia apiformb. 

 6. Anthrocera. larva. 



3. Deilepliila enphorbise, 

 c. Do., cocoon. 



fanciers, and will invent a history for any insect so that they 

 get a good price for it. 



The larva of this Moth is shown at Fig. a of the same 

 Woodcut, and will serve as a good example of the usual form 

 among Hawk-Moth caterpillars, one of the most conspicuous 

 characteristics being the sharply pointed horn at the end of its 

 body. The use of this horn is exceedingly problematical. That 

 it must serve some purpose is evident, but what that purpose 



