196 ENTOMOLOGICAL SOCIETY 



The types of both these species are in the Cambridge Museum of 

 Comparative Zoology, and agree with the present type, as the 

 descriptions would indicate. In Professor C. H. Fernald's col 

 lection are two specimens of this species bearing Lord Walsing- 

 ham's blue labels 722 and 723, and determined in his note-book as 

 Ornix quercifoliella Cham. = Gracilaria duodecemliniella 

 Chambers ( ?) and with the note : ' The description is not satisfac 

 tory ; it needs redescription, and evidently belongs in the genus 

 Gracilaria. Closely allied to Coriscium brogniardellum Fa- 

 bricius in color and markings, but having the palpi of a Graci 

 laria" (Walsingham). 



One perfect specimen, bred by the writer from oak at Wash 

 ington, D. C., and compared with all three types of this species, 

 is in the U. S. National Museum, besides several collected speci 

 mens. 



The species belongs in the genus Dialectica Walsingham, 

 which is separated from Gracilaria Haworth mainly by the 

 pectinated posterior tibire ; it may, however, like the foregoing 

 species, remain in Gracilaria for the present. 



Gracilaria violacella Clemens. 



One type, Clemens' No. 48 ; alar exp., 9 mm. 



There is another specimen of this species, namely, the bred 

 specimen described later by Clemens as desmodifoliella. This 

 specimen has Clemens' No. 41 2. These specimens represent our 

 well known Desmodium feeder. Bred specimens compared with 

 the type are in the U. S. National Museum. 



The name violacella must be retained for this species. 



Argyresthia oreasella Clemens. 



Two types, one without the left wings, the other consisting 

 only of the left wings ; both are now pinned together on the same 

 cork ; Clemens' No. 49 ; alar exp., 10 mm. 



This is, as determined by Stainton, the same as the European 

 Argyresthia andereggiella Duponchel. Specimens compared 

 with Clemens' types are in the U. S. National Museum. 



Ornix trepidella Clemens. 



The type of this species, Clemens' No. 50, is lost. 



Ornix festinella Clemens. 



One type, badly rubbed, Clemens' No. 51 ; alar exp. ,7. 5 mm. 

 I am at present unable to give any opinion on the distinctions 

 between this species and the others described by Clemens, owing 

 to the condition of the types and the lack of bred material. 



Ornix cratsegifoliella Clemens. 



One type, Clemens' No. 222 (52) ; alar exp., 8 mm. 

 Specimens bred from black thorn by the writer at Washington, 



