127 



thorn a,W!iy. "At this time most, of the Hor^^liiiiri oatK; in (-(uilrul lihnoiH 

 wjis rip(! iuid rciuly for Uk- tiiill. A]>his nuiidis Fiiul f)(!Cii (hiritij;- the s(!iiH()ri 

 al)iiii(l;iril, on tlic l)lii(l(!S, and 1,o save itsch' tniisi now dcp.-irt,. (Jf)on 

 oxaiiiinalion t,li(; H))(!ci(!.s was i'oinid to he f('|)rcscntc(| nioslJy hy [)iif)jr; 

 and alato fcinaUjs. Tho piiiKc, as was found by conlinin;:; Ihcin, were; 

 rai)idly (n;d iirinj.';, .and iJif; wiri<;(;d adults wore loavina; the, sorf:,hiitn ;i,nd 

 soattcrinfr in all din-fdions. VVhil(! standiiif^ at the (!(lf^(!S of Hiich fi(;l(Js 

 at this time one's fx^rson itd,cfr-iipt(!d the i\\!^\\\j of many of those wlrif^fHJ 

 li(;e. . . . Whole |»la(d,s were searched wit!) the <i;l;iss for ('}i:,}^h, and, 

 thoiif^h some of them li;id af'ford(;d noiirishmcnl to (lundrcds of ;i,t)liid(!S 

 dnritiff tjie summer, no ej;';j;;s could Ix' found. The life which vveif; thus 

 forced to leave t.lie sor^liiun (idd donhtlcss nisortxul to the corn, wliicli 

 was l(!ss advanced, and for some tinn; afttifward cont/mueil t,o furnish 

 1,h(;m a[)|)ro|)riat(; food." (l''ourt.(;erdii Ii(!|). St,at,e i'jd,. III., |». 27.) 

 ()(H.ol)er 7. (ireencr eacs still considr-rahly infested, often (|uit,e heavily 

 so. Youn^ produc(;d hy both winj^ed and win<;less forms, both indoors 

 and in the ficsld. 



()rt,ober 25. Several heavy fro.sts ha,ve lately occurred, and corn is 

 neai'ly all dc^ad and dry. \Vinji;ed and winfi,less females, both containinff 

 youMf^, still pn;sorit on t,h(; ^rcifiiier stalks of corn, usually behind the 

 boot, oi' ensheathirifi; part of the leaf. .Many activ(!ly wandering about 

 over the [)lari1,s during the warmer |)art, of the day. ,\'o t.race of ej^^s. 

 About fifty sam[)les dissect(!d, three fourths of them wingless and six 

 (jf l,hem pupa;. All contained young except two parasitized sfXicirnenH. 

 October .'»(). S(;v(;ral very severe frosts of late;. Lice on corn, as Ix'Sovc, 

 many of them parasitizfid. Young comf)aratively few. All the a.dult.s 

 dissected w(;re viviparous females, as Ijefon;. Novembei- I. .\o change; 

 except that f)Ian1-li(;e are less af)urida,nt, and a, great many are dcsad 

 })(!tw<;(!n the corn husks. November 0. ('lear and cold sinc(! yesterday. 

 I )e;id plant-lice found, but, non(; alive, 'j'he apple a,phis, on the other 

 hand, was still maturing and active on a|iple-leaves. .\ovember 7, at 

 .Normal, .\hdyean comity, a long search on corn and among rubbish in 

 the field showed that, t,he leaJ'-lice ha,d completely disappearecl from fields 

 where tfiey were not uncommon three days beioi-t'. Ivxainples k(;|>t 

 indooi's all continueil vivif)arous, even the; smallest, r-ontaining embryos. 

 Thosf; kept in unheated rooms still produced living young. .\ov(!rnbf;r 

 0, lirbana. Winged and wingless viviparous f(;males, ami jajpa; with 

 wing-pads found und(;r husks of nubbins, esp(!cially those which are 

 somewhat mf)ist. "1'hesf; werr; tlu; last soon alive out, of doors, i'l-e- 

 vious to this (Jate tlien; liad Ixton sr!vero frosts, and the corn was nearly 

 all dry and hard. 1'lie lice obtaitxid at this time were found cfiiefly 

 among the husks of nubbins and in crarinios b(!tween the ensheathing 

 part of t.he leaves. They wen; evidently restless, and tfie wartnth of 

 the sun at middav arou.scd some of them t.o endeavors to find better 



