390 THE INFLUENCE OF HYING SUREOUNDINGS. 



glands, and here again there are certain species o£ these 

 families which are imitated by the defenceless species of Papilio 

 and Diadema. In North America, Danais arohippus, a very 

 common butterfly, is closely copied by Limenitis archippus; 



Fig. 103. — «, Dollops sp. mimics &, Pachyrhynchus orhifer ; c, Doliops curculionoidestnimics rf, 

 Pachyrhynchus sp. ; e^Scepastm pachyrhynchoides (a gi-asshopper) mimics/, Apocyr- 

 ius ; g, Doliops sp. mimics h, Pachyrhynchus sp. ; «, Phoraspis sp. (a grasshopper) mimics 

 k, a Coccinella. All from tlie 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 ^jeriidea 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 Hispidm and Eumorphidce, which are pro- 



