170 



I.WEIITEBUATE ANIMALS. 



that the Ijristles whicli terminate the abdomen do not form a 

 "sJ>riu^■." The l)oil_y is often covered with delicate scales, whicli 

 are slmwu imde;- the microscope to be beautifully niai'ked and 

 striated . 



Sectkjn II. IlE5riMETA:joLic IxsECTS. — Mi/tamorjyltosls incomplete; 

 the larrii iliferiiii/ fn m tlie prrfni. in.icrt diiefly in the absence of 

 wuuis <!ii(l iiL xi:c; pupa iiAiKilh/ wjtice, nr, if quiescent, capable of 

 mofciuciif. 



Order V. IlEiiirTERA. 



In this order the moutli is formed for suction (fig-. 10!), C) ; the 

 eyes are compound, but simjile ej'es are often present in addition. 

 Two ]';iirs tif A\-ings are al\va^"s present. 





Fi-. iir..— 11 



<in. A, r,-„t„l,„„„ r„lir,n,s, ividi tlip iviir^-s cLiso.l. B, niuipliiMt.^tn- 

 in-iinuilns, Willi 111.- whi-s .-vpaiLlca in lli;;li(- : a Ant 

 Is lias.'d [lortiijii lEuidelii'd liy i-bilin.j; (, r.istcrior iiic 



'1- u iliK (iiclurlytiuli), with 

 raiious will;;-. 



Tlic Jfeiaiptcra Wm: np,.ii the juices of plants or animals, which 

 they ar.. ,])al>lcd t.i obtain l)y means of their suctorial mouths. All 



