1 2(i I' \MI I \ N\ M I'll \I.1I) i: 



CKNI'S I'AL.KoNTlN.V. lUithr (j<,<^ll ). 



p L A '/'/•; XL v I n. 



Frontwing ovntc trianj,'nlar; costal nemiro, much swollen at base ; subcostal fcuir liranchcil, tlie 

 tii-st two bmiiclu's ciuittiMl about lialf-way bctwi-cn iliscoidal (cll anil apex ; the thinl eniitteil abiiiuinally 

 just bevnnil llii' cell, anil tlieiefure springing,' fVdiii lnuiatli the nervure ; the fourth eniitti'il in a still 

 nioiv unusual manner (Voni the third; so that the third and lourth liraiiches might be described as 

 s)iriiiging together from a footstalk emitted from beneath the subcostal ; discocellular and discnidal 

 nervuros ]irecise]y as in C(il!(j<i ; median liranches nearer together than in Cnliiin : subinedian nervure 

 lollowing the same direction as the median nervures, but even more distinctly inarcbeil. so that the 

 internal area is considerably widened : hindwing and body wanting. 



Tyjie I'ahrdiiliim Oolitirn. 



PiiJ(Poiiliiia OoliHra, ■'<p. n.. Jif/s. /, 2. 



i r Altt' anticu' co.sta bene producta, apud apicem avciiata ; maripine 

 extenio pevlongo ])aiilulmii areuato ; mai-ii'iiie intevno Ijvevissiiuo areiiato ; 

 vcnis fevntgineis ; eoliu'iljiis oljsoletis : ex]). alar. civc. utic. .">. lin. .3. 



StoiH'slield Slate (Oxt'ofdshire). Coll. Ivlward Cliaileswoftli. 



Thdugh a Dritish insect this species belongs to a grou]i so cnnijiletely tro])ii-al that 1 d<p imt 

 hesitate to describe anu figure it in the jirosent work ; its nearest allies are the genera CnHiin, 

 ])iiK!i(iji/if/iii/)i)fi, and Ih-a.'<y"liy. all three essentially tnijiieal .Vnierie.in genera. 



P. 0,<////rr( is especially interesting, as bring the nldest fn.ssil butterfly yet diseuvere.l ; tl.ie mo.st 

 ancient ]>i-eviiiusly ktiown tn Science having lieen fnuud in the Cretaceous series (white sandstone of 

 Aix-la-( 'hapelle), whilst the bulk nf the known siiecies are from the I,ower Miocene beds of Croatia : it 

 is al.so interestin'.' as lielonging to tlie highest family of bntterllies. and to a sub-family intermediate in 



