280 Mr. W. Schaus's 



Alba, Druce (Symmerista), Biol. Centr. Amer. Lep. Het., 



ii, p. 460, t. xci, f. 3 (1898). 

 Pylaon, Druce (Heterocampa (?)), I.e., ii, p. 459, t. xci, 



f. i (1898). I have not examined this species, and 



place it here with doubt. 



DlDUGUA. 



Didugua, Druce, Biol. Centr. Amer. Lep. Het., i, p. 483 



(1891). 



Antennae pectinated, but not to tips. Palpi very long ; third joint 

 almost as long as second, smooth. Head with high crest. Primaries : 

 outer margin broad, rounded ; vein 5 from above centre of dis- 

 cocellular ; 6 from upper angle of cell ; 7, 8, 10 from end of areole. 

 Secondaries : 3 and 4 from a point ; 6 and 7 stalked. 



Type. D. argcntilinea, Druce. 

 Argentilinea, Druce. 1. c, 483, t. xl, f. 13 (1891). 

 Leona, Druce (Heterocampa ?), 1. c, ii, p. 459, t. xci, f. 6 

 (1898). 



Dasylophia. 



Dasylophia, Packard, Proc. Ent. Soc. Phil., iii, p. 362 



(1864). 



Antennae pectinated but not to tips. Palpi : third joint short. 

 Head with tuft. Primaries : vein 5 from about the centre of dis- 

 cocellular ; 6 from upper angle of cell or from areole close to cell ; 

 7, 8, 10 from end of areole. Secondaries : veins 3 and 4 close 

 together ; 6 and 7 stalked. 



Type. D. angnina, Sm. and Abb. 

 Angnina, Sm. and Abb. (Phahena), Lep. Georg., ii, t. 84 



(1797), = Cncullifera, H. S. (Drymonia), Ausser.- 



Europ., Schmett., i, f. 381 (1855) = Punctata, Walk. 



(Heterocampa), Cat. Lep. Het., B. M. xxxii, p. 420 = 



Carta, Walk. (Edema), Char. Lep. Het., p. 17 (1869). 

 Thyatiroides, Walk. (Heterocampa), Trans. Ent. Soc. Lond., 



1862, p. 79 = Interna, Pack. (Dasylophia), 1. c, p. 



363 (1864) = Tripartita, Walk. (Heterocampa), Cat. 



Lep. Het., B. M. xxxii, p. 419 (1865) = Signata, 



Walk. (Xylina), 1. c, xxxiii, p. 121 (1865). 

 Xylinata, Walk. (Nystalea), 1. c, xxxiii, p. 759 (1865) = 



Pytliia, Druce (Notodonta?), Ann. and Mag. Nat. Hist. 



(6) xiii, p. 356 (1894) ; Biol. Centr. Amer. Lep. Het., 



ii, t. 90, f. 7. 



