54- • [August, 



= concolor, Gn. (i. e., from my point of view for the two species), in 

 his Catalogue, p. 187, " Germ., c. et m. oc. (olim) ; Anglia (olim) ; 

 Austr. ; Hung." 



I suppose it is on the strength of Lederer's Vienna specimens 

 that we get "Austria and Hungary," and on the strength of Hiibner's 

 type we get "Germany (olim)." As these latter would necessarily 

 refer to extrema, they may be disregarded, and it leaves us with the 

 Austrian and British specimens. The Austrian specimens may have 

 been concolor, and the same as the British specimens, or they may 

 have been extrema, in which case I consider them a distinct species to 

 ours. Even on Dr. Staudinger's nomenclature they must have been 

 one or the other, and either way do not affect the consideration of our 

 British specimens. 



"Anglia (olim)." I think the olim might come out now, as I can 

 get this form at Deal. I dare say it is taken in the fens, but is not 

 known, as concolor A% unknown, except by name, to any but the oldest 

 of our Lepidopterists. 



I have previously stated that my concolor = those in the Double- 

 day collection, and that Guenee's were described from some of the 

 latter, that is, direct from the Doubleday collection, or from some Mr. 

 Doubleday sent or gave to M. Pierret. 



Guenee saw that our species was more likely to be confounded 

 with fulva than with anything else, for he adds (" Noctuelites," vol. v, 

 p. 104), "This Nonagria is certainly distinct from fulva as much by 

 its special characters as by the time of its appearance." 



Now, first, what are its characters ("Noctuelites," vol. v, pp. 103 

 and 104) -.— 



(1) Superior wings, " at the outside margin, straighter at first, 

 then more rounded than those oi fulva." "With regard to this charac- 

 ter, I need hardly point out to those who have a long series, that the 

 shape of the anterior wings of fulva differs much inter se. 



(2) " Of a whitish bone colour in both sexes, lightly powdered 

 with grey at the ends of the spaces between the nervures, and de- 

 veloped into indistinct dark streaks." This latter character occurs in 

 almost every specimen of fulva that has come under my notice," and 

 some of my specimens are as pale as Doubleday's concolor. 



(3) " A series of black spots, always distinct though badly ex- 

 pressed, in the place of the angulated line." Probably "though 

 faintly marked " was what Guenee intended by "quoique mal exprimes." 

 This seems to be the most distinct point of difference, but many fulva 



