8o ^ iii-ii >+; S ft?i ^ !ffi W fl- i: B\ -r i> m -^ 



This varict)' can be ciistiiiguishablc from the type by tlic following four 

 jjoints : 



1. Si/.c nnicli smaller. 



2. Colour of tile abdomen somewhat darker than that of the type. 



3. Hoth wini^s .somewhat narrower and sliL;htly sharped at the ape.v. 



4. Costal ari:a of the fore wing somewhat narrower ; in general the first 

 and second radial sectors of the hind wing are united. 



I-ocalit}' : Honshu. 



Three male specimens at jirescnt ; one from Mt. Yosliino, Prov. Yama- 

 to, on August 2, 1913 (in dry) (leg. Mr. A. Nohira) ; one from Mt. 

 Sanjod.dce, I'row Yamato, on August 8, 1913 (in dry) (leg. Mr. S. Issiki) ; 

 and the other from ]\It. Kurama, Tnn- Yamashiro, on Jul)' 8, 1914 (in 

 alcohol) (leg. Mr. A. Nohira); all in the collection of Dr. Okamoto. 



R(.:marks : At the first glance this variety likes to be a different species 

 from the t_\pical form, but when examined the male genitalia, it may seen 

 no special differentiation between botli forms. The author recognized the 

 changes in the shape antl in other respects as stational changing rather than 

 individual \ariation, anti the name abo\e mentioned is given. 



2. D//ar scptcntrioiialis N.\^ .'\.s 



Dilar scptcntrioiialis, N.w.vs ; Revue Russe d'Entom., Vol. XII, No. 3, 

 p. 420 (1912): N.W. ; Gen. Ins., Fasc. 156, p. 7, pi. I figs 2 & 3 

 (1914). 



Localit)' : Corea ; Siberia. (According to N.-W.-xs). 



The author has not yet obtained a specimen of this species. 



3. Dilar formosantts (Ok.VMOTO et Ku\vay.\Ma) 



Lidar foniiosanus, Okamoto & Kuwavam.-V ; Dobut. Zass. (Zool. IMag.), 

 Vol. XXXII, No. 3S5, p. 341 & 344 figs I & 2 (1920) 

 Locaritj' : Formosa. 

 The type (? in dr\-) was captured by Prof S. M.VTSUMUR.A. at Arisan, 

 on April 2, 1907, and preserved now in his cabinet. 



(January 1921) 



