I)lv'ITI>ll lil.OtJDSlCKKNS 



253 



^ilcntlv lip aii'l -^rtlli' on llic mo'^t cxpn'^i'l p;ll•t■^ <>f 

 till- Ici^N and llaiik^. 'l'lu\' an- \ri \ \( n acitdi-^, and 

 nianai^L' to (k'Noiii an amount (it Mood winch is 

 truly surj^ri->in;;. 



A little examination ot" the ^adtlv will ^how you, 

 too, one important point in which it and all other 

 tiik llies dilfi'i" tVom the heis, wa>p-., hutteiilies, 

 and the va^t ma^-> ol or(hiiarv ui>ect>. All the 

 othei' races have lour winL^^, and 1 --howed yon m 

 the ca^e ot the wa-^p die beautiliil nu'chanisin of 

 hook> and i^roove-^ h\- which the tore and hind 

 win^s are olteii locked together in one Ljreat ,^ioup, 

 so as to injure unitoriiiitv and tixitv in livinj^. 

 Anionic the \v\\c [\\c>, howfwi. including not only 

 the house-liy and the meat-ll\-, luit aKo the Liadllie-. 

 and the mo-^c|uitoe>. onl\- one pair ot winj^s the 

 tront pail" - is e\er de\i-lope 1. TIk' ■>econd or hind 

 pair is feebly repri-^enled h\- a couple r,\ \\\]\ rudi- 

 mentary win^s, known a-^ poi^er-^ or balancers, 

 which you can iii->t make out in the •^kt.tch, like a 

 couple of stalked kiiob^, in the --pace bi-twi-en the 

 true wiiiL^^ and tlu- tail or abdouu-n. It i-- pretty 

 cleat" that the common anct-^tor of all these two- 

 winded lhe> inii->t !ia\e had foui" winL;s, like the 

 rest of the L;i"i.at cl,i>s to which Ik- belonged ; but 

 he tound it in -oine wav more coiu'enu-nt loi" his 

 purpose to L^et rid of one pair, and he \\a> handed 

 down that singular modilication of stiucluiL- to all 

 his descendants. \c\ wluiiever an or^an or set 

 of origans is suppressed in thl-^ wa\-, it almost always 

 happens that nidiments or relics of the suppressed 

 part rciiKiin to the latest fenerations ; and thus the 



