52 COLOUR-PATTERNS. [INTROD. 



1 : tulut. -.tin- two anterior and tlie left posteriorwing resemble generally, 

 ration, while the right posterior wing is nearly normal 



i from Ekaterinoslav. S. Kussia. which resembles this 



. -itiiik' tl.. Minsverse band and in the disposition of the apical 



in- \vhit<- costal bar remains on the costal border. On the 



ien the ocelli were placed in a pale rose-coloured band. 



.tion, inornata). BIIAMSOX, K. L., Ann. Soc. Ent. Francr, 



!>. 2H4. 



: .ire aberration " var. Elymi" there is a variety sometimes found in 



- BO constant and definite that it has been regarded as 



I i.j,' may be quoted respecting its occurrence iu Australia, 



in : 



I .... .1 mdance about Melbourne aud in many other parts of Australia 



il appearance and habit of C. cardui, so closely represented 

 I know refers it to that species. The Australian species 



diiT.ii fii.ni tl,.- Kiii.ip.an one constantly, however, in having the centres of the 

 thi. : >ts on the posterior wings bright blue, and having two other 



bin. ior angles of the same wings, the corresponding parts of 



tin- Kur.>|-uii f.'im bring black." For this form the name C. kershawi is proposed. 

 M < I inn. iiml MH;I. of Xat. Hint., Ser. 4, i. 1868, p. 76. See also OLLIFF, 

 .. .V. S. Jl'., Ser. 2, in. p. 1251. The notices of its occurrence 



in Kiir|. r ii- iluw-i. In 1884 Mr Jenner Weir exhibited a specimen of P. 



Nr\v Forest. Three of the five black spots in the disk of the 



ii)i]" :' thr biii'l-wings had blue pupils ; lie pointed out that the specimen 



tbu 1 the Australian form, I', kcrsliau-i. Proc. Ent. ,S'oc., 1884, 



.VII. 



tliat he has taken a specimen having these blue 

 at K.i: \\ijk, in Holland. 



In tin- case i, r i\eii, the evidence certainly suggests that these 

 \.-iri'. M^ forms M aberration are grouped round a normal form of 

 ab.-iTatiiin, jii>t a- tin- individuals of the type are grouped round 



Itfl normal. 



( >i. :;\]>\<- of a -imilar discontinuity in a melanic varia- 



may pn.titably li- given. I have taken this opportunity 

 of referring to such a case, as the general evidence of melanie 

 \ariati. .n- :i the whole to she\\- that they are not commonly 



discontinuous, and further e\idenee <>n this point would be most. 

 '!' appreciate the evidence BUTLER'S coloured plate 



>h"iild In- r.'f. 1 1 -i-d tn. 



A \M-11 inarkr.l LTi-,,up (f butterflies of this genus allied to 



, i^ f.iiiii.l in .Japan. It cmitaiiis funns of great diversity in 



amount of Mark l.onlrr whi.-li on-ni-s mi tin- outer margins of the fore- 



Tln- reiiiainder of tin- win^s is lemon-yellow. The 



I'onl.T may !,. confined bo the tip .,f tin- fore-wings, or may there 



OOCUpy a .-on, i.l. -ral.lc ana ami 1 extended alon^ the whole outer 



mar-in of l-.,tl. wri Tli.- for,,, with thr least Mark is called T. man- 



tl.at with tin- most, is i-ullr.l /'. OTortewt, and the intermediate 



I'pw.mls if i:,o specimens, all from Nikko, 



examined; th,-M- ran-nl between the bwo extremes, and were 

 fllllnii '" ' ...... :i continuoua series. Botler states that " the absence of 



them, referable ..nly to two gradations, w,,ull at once leave the 

 three specie sharply <leiim-<l as anv in the ^-nus." 



'" ''"' ' these butterflies, there are thua ' ll1 " groups of varieties 



- extreme jroupa .-,,! ,- mean group j intermediates between these 



