IN THE BRITISH ISLANDS. 125 



Butler writes : " Prodenia testaceoides (Guenee, ' Noctuelles,' vol. 

 v., p. 165) is a slight variety, and P. declinata, Walker (I.e. vol. xi., p. 

 723) is a starved specimen " (' Transactions of the Entom. Society of 

 London,' 1890, p. 666). I have not been able to test this statement, 

 but as Colonel Swinhoe in the ' Trans. Ent. Soc. of London,' 1890, p. 

 227, adopts Butler's synonymy, probably it is correct. 



Boisduval's original diagnosis of this species is as follows : " Alis 

 anticis fusco violascentibus, maculis ordinariis nervo medio albido 

 junctis, strigis transversis pallidis, maculisque apicalibus sagittatis 

 nigris; posticis albo-opalinis " [' Fauna Madagas.' etc., p. 91 (1834:)]. 



Aplecta, Gn., advena, Fab. 



Vol. iii., p. 70. Aplecta advena var. adjuncta, Stdgr. Of this local 

 form Dr. Staudinger writes : " M. advena var. adjuncta. Christoph 

 found this species in the beginning of August near Whadiwostock. 

 Domes sent it me from Askold, Ussuri, Linfun and Sidimi. I took it 

 first for another species, but I believe now that it is a local form of 

 advena. Adjuncta, which on the average is somewhat larger than ad- 

 vena (48-55 mm), has the same markings, which, however, do not 

 appear so clearly because it is darker than advena. The fore wings are 

 dull grey-brown with very little or none of the blue-grey tint which 

 predominates in advena. Through this darker coloration the markings 

 in adjuncta appear less distinct, and the two discoidals are often scarcely 

 visible, especially the white line surrounding the reniform, which is 

 never present as in advena. The hind wings also, as well as the under- 

 side of both fore and hind wings are darker in adjuncta. The dark 

 lunular spot on the hind wings appears either faintly or not at all " 

 (' Stettiner entomologische Zeitung,' vol. xlix., p. 249). 



Aplecta, Gn., nebulosa, Hufn. 



Vol. iii., p. 68. Aplecta nebulosa var. askolda, Oberthiir (= var. 

 bimaculosa, Esp. ?). Of this variety Oberthiir makes the following 

 remarks : " It only differs from the ordinary French type in the tint 

 being of a slaty-grey and in consequence much darker. Four J- and 

 one 2 exactly similar to each other were received from Askold " 

 (' Etudes d'Entomologie,' v., p. 79). It almost seems as if this variety 

 should be referred to var. bimaculosa, Esp. At any rate there can be 

 no practical difference between var. askolda and our dark Yorkshire 

 form. 



Hadena, Och. 



Vol. iii., p. 71. Our Crymodes exults (ante, vol. i., p. J18) is 

 supposed by many well-informed entomologists to be nothing but a 

 local form of Hadena maiUardi, Hb.-Gey. At any rate the following 

 note concerning this matter, written by Dr. Staudinger, is well worthy 

 of notice. He writes: " Hadena maillardi, Hb.-Gey. (pernix, Hb.- 

 Gey. var. ; exulis, Lef . ?). A fresh male, and two fresh females, 

 captured on the 19th of July, might be called maillardi equally as well 

 as pernix or exulis. I feel almost certain now that exulis is only 

 a var. of maillardi which has especially developed in Iceland. Speci- 

 mens taken in the Dovref jeld in Norway, which Wocke represents as 

 exulis, and which, in fact, resemble many Greenland and Labrador 

 exulis, are difficult to separate from small specimens of maillardi. The 

 three Central Asiatic specimens are very similar to these Norwegian 

 forms, indeed, I should not be able to distinguish the males. The two 



