390 



THE INFLUENCE OF LIVING SURROUNDINGS. 



glands, and here again there are certain species of these 

 families which are imitated by the defenceless species of Papllio 

 and Diadema. In North America, J)<tni$ archippug, a very 

 common butterfly, is closely copied by Limenitis archippus; 



FIG. 103. a, Doliops sp. mimics 6, Pachyrhynchus orbifer ; c. Dollops curculionoides mimics d, 

 Pachyrhynehus sp. ; e, Scepaitm pac/iyrhynchoides (a grasshopper) mimics/, Apocyr- 

 tus; g, Doliops sp. mimics li, Paclnjrhyrichussv- ', '. Phoraspis sp. (a grasshopper) mimics 

 *, a Coccinella. All from the Philippines, of nat. size. It is evident that the great simi- 

 larity of the creatures to those they mimic is less conspicuous in the engraving than 

 in real life, since the exact correspondence in the colouring cannot be given here. 



species of Sesia and of sEjeriidea so closely resemble small 

 wasps that every one fears to handle them, but they have no 

 sting like wasps, and are in every respect perfectly harmless. 

 Among beetles, the Hispidce and Eumorphidce, which are pro- 



