juNB .894.] Neunrt-Gen c^- Dvar. X. A. Bombvces. 59 



Synopsis of species. 

 Secondaries yellowish with black border ...... rossii. 



Secondaries uniformly smoky blackish ..... grcenlanidca. 



D. rossii Curtis. 



1S35 — Ldiiii ivssii Curtis, 2d Voyage, Ross, App. , p. 70. 

 Blackish gray, transverse anterior and transverse posterior 

 lines and discal dot black, pulverulent, indistinct, the lines undulate. 

 A dentate irregular subterminal line, faint between veins i and 2, 

 becoming a large round black spot bordered outwardly by white, 

 with which color all the lines are obscurely defined. Secondaries 

 black, with a large central area pale sordid yellow. Expanse, 



35 "I'll- 



Habitat, .\rctic regions. 



D. green la ndica Homcyer. 



\%-l\ -Dasycliira graiilaiid'ua Homkvf.k, 2te Deutsche Nordpolarfahi t, Vol. 



11, p. 469. 

 l%t)2—Diuyc/iira gmulantiica Skinnf.r ^: Menc.el, Proc. Acad. Nat. Sci. IMiil. 

 Smoky black, sub-diaphanous; primaries of d with the veins 

 marked in black ; 9 nearly devoid of markings. [Skinner & Mengel. J 

 Jfal'itat, Greenland. 



[XoTE. The following three genera, which may all be Xoctuids, are included 

 here until their proper relations are better known ; since if looked for among the 

 Bombyces, they fall into the present location in our synopsis of families.] 



C.enus Acherdoa M'alker. 



1S65 — Ac/urJthi Walker, Cat. l?rit. Mus., pt. XXXII, p. 451. 



1884 — J'ariiia NeumcEgen, I'apilio, Vol. IV, p. 94 ; 1S92 — SMITH, Can. 



Ent., \'ol. X.XIV, p. 135 ; 1893— Packard, Can. Ent., Vol. XXV, 



p. 151. 



A. ferraria J!'a/A-er. 



1S65 — Aclufiioa ferraria Wai.ker, Cat. Brit. Mus., pt. X.XXII, p. 451. 

 1884 — Variiia oriiata NEUMtEGEN, Papilio, Vol. IV, p. 94. 



Reddish brown, secondaries brownish black. Basal, transverse 

 anterior and transverse posterior narrow blaik lines, the two latter 

 with a broad distinct white edging on the lower half : between 

 them the wing is deep brown with a black shade. .\ minute 

 orbicular and larger eniform, pale brown discal spots, the latter 

 bordered with white. A pale subterminal line, often obsolete 

 superiorly, near internal angle defined by several large pulverulent 

 black marks. A narrow terminal black line. Between basal and 



