284 



MANUAL OF ELEMENTARY ZOOLOGY 



differs markedly from the adults of its species and lives an 

 independent life is known as a larva. We have already 



Fig. 188. — A mosquito, sucking blood. — After Nuttall and Shipley. 



The curved line under the head is the labium. 



seen an instance of a larva in the tadpole. The term 

 embryo is applied to a young organism while it is developing 



Ibr. 



cip. ! 



md. 



-eye. 



-l.p. 



Fig. 189. — A side view 

 of the head of a 

 butterfly. 



at., Antenna; eye] l.J>., 

 labial palp; nix., 

 maxilla. 



Fig. 190. — The head of a tiger moth 

 (Arctia caja), seen from in front 

 and partly from below, after the 

 removal of the scales. 



clj>., Clypeus; eye; lp., labial palp; Ibr., 

 labrum ; md.^ structure supposed to repre- 

 sent a mandible; mx., maxillae; mx.p., 

 maxillary palp. 



within the body of its parent or under shelter of an egg 

 shell, like the young of man or birds or the early stages of 



