L>l») 



broader than (liorax, wliicli is l(tii<;- willi l.lui sides paralk^l, 

 wind's almost l\\ic(>as loiii;- as \viii,i;-('o\'('rs. Maxillarv palpi with 

 lli(> tliii'd joint \ovy lon<;' and slender, I )nt shorter than th(> lifth 

 joint:, which is ohh(piely ti'inicalc at the end, i'ourtli joint very 

 siioii. AnfcniKe have on basal joint , IxMu^ath, a short tubercle 

 (l''ij;'. 2.'>1 , 'A) \nhca hipiinrUiUi. 



N(vri':s on 'riii', I'^oon ok tui': Wihtk ('hickkts. 



'V\\o food of I'oMi' species of white crick(ds has hitely been invosti- 

 ;al(>d !)>• My. Iv S. C. Titus and iu\seh', and b\' Mr. l^dpll (1. MiUs, a 

 Indent: workins;- ini(k'i- my ilii'(M'lion. ( >nr material consisted partly 

 of freshly collected specimens, and |)ai'tJy of pinned 

 specinuMis from my ollice colkM'tion which W(M'e 

 softened up b\' boilina; in potash' solution. Tlu^se 

 wvvr then dissected and the coidents of the ali- 

 mentary canal wci'e displayed in i;lyc(M"in(^ on f;'lass 

 slides, and examined undcM' the microscope. 



( lenerally speaking, th(> food of the f>;emis (Kcdnt/iui't 

 ishii^hly miscellaneous, consistiu<; Iart!;ely of the floral 

 oi'<;ans of i;-rasses and olliei- plants, (piantities of pollcMi, \arious fun<>;i, 

 many plaid-lice, with ti';ices of oth(>r insects, and occasional fra-f;'ineiits 

 of leaf tissue not delinilely recoi^ni/able as t-o their ori,<;tn but- (k^rived 

 from both \-einei| and parallel-Ncined plants. Serious injui'i(>s to voge- 



>: 



iM.i. L'.VJ. Miin(lil.l( 

 of a Wliilo Ciickct 

 (KcdiitlDiK l-piiiirldtnn 

 i lioiitly eiilm'KtMl. 



I'l.;. L';?:!. Maiidible of the 

 ('(iiiimoii l''iol(l - (cricket, . (tri/lhiti 

 lif>iii.i!ili'(iin\'>is. (iniatly riilarftod. 



Fill. 234. Mandible of (lio IJod 

 IcKKud (irasHlioppor, Mrldiioplitti /< 

 iiiiir-riihrurii. dioaUy erilaiK»'d. 



tat ion by these insects ar(> \irtually impossible owini; to the w(>ak- 

 n(>ss of their mandibles, which, while |)(>rmittin^' them to eat stamens 

 and pistils of plaids and soft-bodied insects, are not adapted to the 

 biting;' and mastication of resistinj;- vegetable itissues. The difference 

 in this respect from the ordinary herbaceous Ortlioptcra is shown by 

 figures 232 to 21)4, comparing tiie mandible of the white cricket 

 (CEcanthiis) with that of the common lield-cricket ((irt/llus penv.'iijhHnii'cuf^) 

 and tlie red-legged grasshopper {Mclanoplas femur-rubrutn). 



