I.YCAKNIXAK: IIK<U»Ks II VI-OI'HI.AKAS Kllll 



paniiml • vary llltic rxurlnrly •ml very iiiiicli Inioriurly. thonixiU iH'yoiul the cell ]oln* 



■ ■ ■ ultn of till '.ic In the iiipillan Inlrrupm-oK 



'' of till- li In niiK InxtAhrn, tlli' «|><i( In 



' -1. nnil Hint of the n 



mil In the iilhtT Iw m 

 > : at imnnaUy , half aa Iihik ajt liroul. On tlio under itur- 



'1 ^ i:il pnllrni. 



Tlieao miiniiictl •poclnieO!! are by nu tnoanii cxce>ii<lvrly rare. I have taken them my- 

 ••"!' In several place* In caMleni MaaiMtchunettn. Mr. K. II. SpraKnr hax foniul thorn lu 

 v\ Mtun (July 10 and July ST), Mr. Koland Tliaxter liax taken mnny ami Mr. Ilmry 

 K'lttnriU liat n ' . i 'tiired In ami nhonl |{i<a>lvllle, all In plni'<-<t In tlir virlnlty 



of lliitioii. wli. to have l>eiMi imwt fro<|Uently or ninioil exrliitlvoly 



•\ , MaHi. Mnynnnl lli:iir<>!i one (Kiitterllloit N. K., 



■> (ilo\er In hU unpiililUhed work (III. N. A. iMp. , 



pi. (^. ttg. i). In Keneral the KUlt'iitlun Ih cauxeil liy the l>n.snl oxtuiiilon of the outer 



ru«* of iiitota on the upper surface of the front whiKx. whii'li llll the whole breadth of 



the Intenpacejt. often l>arcly showing a line of tAwny Ncalott along the Intervening 



Dor>ulea. lu the niowt extreme ca.ie.4 there lit a Kllght expansion externally, -to oh to 



approximate tke broad dark hami f.inned by the NUinislun to the marginal band, but 



uotily thI.H lUieK not occur, and urtually the tnter^tpaces are Icit!* completely 



luTvuri' to nervuro over the overrun ground »o that each .spot Is more or 



•ed. the aplce.i pointing ba.Howard, nn apponriince which gnlns In effect 



i; narrow Ing ba.tewnrd of all but the two lower Interspace.-* In which 



t '>n appears. Sometimes, Indeed, the sutHislon Is reduced to a mere eiilarge- 



-iMiUof the extra-mesial row with a wedge-Uke tongue thrust a short 



:ir\l, occasionally farther on one wing than the other. Or It may be 



. < iiKiii ;>u-<l by an enlargement of all the spots lu the wing (except In the mid- 



i.srono, whldi Is never affected by this or oiiy other variation) with scarcely or 



no sign of any - ni-.lon. 



The hind wli.. - suffusion, or I have seen but one slight In- 



-' I <■ of It, In uliu-li liie i\\» dark npots, normally round, which are found next 

 ■il tlw ci-ll, thnist little tongues bascward : this was In the ca.se of the most 

 • n olwenetl. The under side of the wings, too. Is rarely affected to any 

 :...i: ' . mostly conflncil to the brief cuuelfonn extension (but not In any other 



iray • ;it) of the extra-cellular spots of the front wing. But what Is remark- 



able - sudVislon of the upper surface of the front wing Is often correllated 



witl' -o or almost complete obllterotlon of the extra-mesial spots of the under 



iilnd wings, and this seems to be more likely to occur the deeper the 

 111 one Instance, however, and this the most extreme case of snfl\i- 

 'ilr. Kilwanis took in UeadviUe — not oidy are the extra-cellular 

 • •of the front wings much elongated, on one side nearly 

 n-ai-tilng the cell, but the s|)ot In the lower median Interspace Is al.so consldernbly 

 enlarged ; while upon the hind wing several of the cxtra-mcslal spots, other^vlse of 

 normal size, send shooto towanl the Imse, and the two costal spots are elongatc<l on 

 -- anil on one actually ni." ' ' ' • a long, sublunatc stripe. The same Is 

 a less extent In one otii' ii. while In a third, al.so an extreme ca.se 



■>1 row of the hind wing 

 lie side l>oth, and on the 

 other the •r of the costal spots have also disappeared. 



II. II. '1 . . . other hand we havr- another phenomenon closely con- 



necteil with the abore, which Is the partial and nearly complete obliteration of these 

 same extra-mesial spots of the front wlog, both alrave and l>clow. One such speci- 

 men Is llgiired by Maynard (Bntlerfl. K. Engl., pi. 6, llgs. 5'Jit) with no spots 

 •t all. but the most extreme ease I have seen has some dots left. Curiously 

 the most persistent of all the spots, whether al>ove or below, Is the upper of 

 the two beyond the cell, which Is sometimes reduced to the merest dot of black 



