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Deilinia quadrinotataria, H. Sch. (Aus. Schm. f. 34 7, 1855)/* This 

 was afterwards described by Air. Grote as D, septemflnaria. In his "New 

 Check List'', Mr. Grote has the name D. sepiettilivearia. There is a va- 

 rietal form, quite different in appearance, but Mr. Grote's description 

 and type are exactly the form pictured by Herrich Schaeffer under the 

 name Trigrammaria quodrinotataria. 



Semiothisa grassa/a, Hulst, (Brook. Bull. IV, n, 1881). This is 

 a synonym of S praeatomaia. Haw. Lep, Brit. 645, 1810. The differ- 

 ence between the two is hardly worthy a varietal name. 



Semiothisa pitriiata, Grote, (Can. Ent. XV, 129, 1883), is a syno- 

 nym of £'. multi/ineata, Pack., as I learn from an examination of Mr. 

 Grote's type. 



Semiothisa vdl.volata, Hulst, (Brook. Bull. IV, 34, tS8o). This 

 species belongs to ParapAia. 



Semiothisa sexpunctata, Bates, (Can. Ent. XVIII, 75, 1886). Mr. 

 Bates has very kindly loaned me the types of the three species of Geome- 

 iridae described by him in Vol. XVIII, of the Can. Ent., and my deter- 

 minations are based upon a study of these types. The above species is 

 a synonym of 6". deniicalaiu. Grt- (Can. Ent. XV, 133, 1883.) It dif- 

 fers only in being a very little more clouded cinereous. S. denticulata, 

 is in my opinion a variety of *S\ graniiaia, Guen. and was probably one 

 of Mr. Walker's many descriptions. 



Phasiane aberrata, Hy. Edw. (Pap. IV. 48, 1884). This is a svn- 

 onym of Najmca orci/lra/a, Walk. (C. B. M. Geom. p. 1693. 1862), 

 which is at best a variety only of Aspiia/es gilvaria, Linn. I have the 

 type of Mr. Edwards species, a colored drawing of Mr. Walker's type, 

 as well as specimens of .-J. gilvaria from Europe. The American insect 

 is generally considerably darker than the. European, but many of the 

 specimens exactly correspond. I have no doubt the reception of speci- 

 mens from Labrador was what led Mr. Moeschler to state, (Wiener Ento. 

 Monats. VIII, 1866), that he had received A. gdvaria, from that country. 

 The species seems Arctic and widely spread. Walker reports it from 

 Arctic America; Moeschler from Labrador; Mr. Edwards' type came 

 from the catch of Capt. Geddes in N. W. Brit. Columbia. Staudinger 

 in his Catalogue states it is found generally through Central Europe, es- 

 pecially in the mountainous districts, as well as far east in Amur. So 

 while in Europe a Northern Temperate species, it does not seem to be 

 Arctic. Mr. Walker's name can stand for a good variety. 



Phasiane cinereaia, Bates, (Can. Ent. XVI II, 75, 1886), is a syno- 

 nym of P. tiepttita, Guen. The type is in poor condition, being much 

 denuded, so that the lines are nearly obsolete. 



