1880.] LORD WALSINGHAM ON NEW TINEID.E,' 79 



following as the correct list and synonomy of the North-American 

 species of this genus. 



Adela ridingsella, Clem. Proc. Ent. Soc. Phil. ii. p. 426 

 1864 ; Staintou, Tin. Nor. Am. (republication of Clemens's papers)' 

 p. 250; Packard, Guide Stud. Ins. p. 348; Chambers, Bull. U.S. 

 (reoi. & Geog. Survey, iv. no. I, p. 127. 



Dicte coruscifasciella, Chamb. Can. Eut. vol. v. p. 74, 1873. 

 Adela schlxgeri, Zell. Verb. z.-b. Ges, Wien, xxiii. p. 227. pi. iii. 

 fig. 11. ^ ' 



Bide {Adela) coruscifasciella, Chamb. Can. Ent. ix. p. 207. 

 Adela (Dicte) coruscifasciella, Chamb. Bull. U.S. Geol. & Geoe 

 Survej', iv. no. 1, p. 12/. 



Adela porpurea, Walk. Cat. Lep. Het. xxviii. p. 501, 1863. 



Adela biviella, Zell. Verb. z.-b. Ges. Wien, xxiii. p. 226, pi. iii 

 fig. 10, 1873; Chamb. Can. Ent. ix. p. 206 ; Chamb. Bull'. U. s! 

 Geol. & Geog. Survey, iv. p. 127. 



Adela chalybeis, Zell. Verb. z.-b. Ges. Wien, xxiii. p 225 • 

 Chamb. Bull. U.S. Geol. & Geog. Surv. iv. p. 127. 



Adela sella, Chamb. Can. Ent. v. p. 73, Can. Ent. ix. p. 207 • 

 Bull. U.S. Geol. & Geog. Surv. iv. p. 127. i" ' ' 



Adela flamensella, Chamb. Can. Ent. viii, p. 104 • Bull U S 

 Geol. & Geog. Surv. iv. p. 127. 



Adela bellela, Walk. Cat. Lep. Het, xxviii. p. 501. 



Adela trigrapha, Zell. Verb. z.-b. Ges. Wien, xxv. p 342 pi 

 X. fig. 50, 1875; Chamb. Bull. U.S. Geol. & Geog. Surv iv n 

 128. (Plate XI. figs. 2, 3.) ^ ^' 



c?. Adela (Nemotois) trifasciella, Chamb. Can. Ent. viii. p. 103 • 

 Bull. U.S. Geol. & Geog. Surv. iv. p. 128. i- ' 



^. Adela fasciella, Chamb. Can. Ent. viii. p. 103. 



Adela iochroa, Zell. Horae Soc. Ent. Ross. siii. p. 218. 



To the above I may now add the four following from California 

 and Oregon, raising the whole number of species of the genus Adela 

 from the United States and Canada to 12 only. It is more than 

 probable that many more yet remain to be discovered. 



Adela septentrionella, sp. nov. (Plate. XI. fig. 1.) 



cJ . Capite et palpis setosis, nigris ; antennis longissimis (Iriente 



basali supra nigro maculosa) albis ; alls anticis subpurpure- 



scenti-brunneis, fasciis duabus angustis albis, triente apicali 



squamis albis irrorato, ciliis apicalibus albis ; posticis brunneis. 



2 . Capite ochreo ; antennis brevioribus. 



S . Head and palpi, which project very conspicuously beyond it, 

 roughly clothed with long black hairs. Antennse more than three times 

 the length of the fore wings, white, spotted with black above along 



