INSECUTOR INSCITI^ MENSTRUUS 67 



with brown outwardly, with curved mesial line and terminal 

 dashes as on fore wing; fringe white. Expanse, 26 mm. 



Type, male, No. 21190, U. S. Nat. Mus. ; Las Vegas Hot 

 Springs, New Mexico, August 9 (H, S. Barber). 



Grypotes borealis, new variety. 



A pale, depauperate form. White, the lines and shades 

 faint; reniform obsolete. Expanse, 23 mm. 



Type, male, No. 21191, U. S. Nat. Mus.; White River, 

 Stanley County, South Dakota (W. H. Over). Also a fe- 

 male with the same data, smaller and sufifused with irrora- 

 tions, the markings hardly legible. 



LITHOSIID^ 



Crambidia myrlosea, new species. 



Head white, thorax gray. Fore wing with the costa broadly 

 white, succeeded by dark gray, the veins faintly paler, espe- 

 cially toward costa. Hind wing dark gray. Expanse, 22 mm. 



Type, male. No. 21192, U. S. Nat. Mus.; Kerrville, Texas, 

 June 12, 1907 (F. C. Pratt). Also a female from the same 

 place, October, 1904 (H. Lacey). 



NOTODONTID^ 



Datana diffidens, new species. 



Head yellowish, shading to brown in the anterior thoracic 

 patch; thorax posteriorly silvery gray. Fore wing uniform 

 brown, a little clay-yellowish on costa, densely sprinkled with 

 silvery gray scales ; inner and outer lines slender, brown ; dis- 

 cal lines obsolete ; discal dots dark, marked with silvery gray 

 scales; subapical line distinct between veins 7 and 4. Hind 

 wing pale cream-color, powdered with brown and silver-gray 

 outwardly. Expanse, 46 mm. 



Type, male, No. 21189, U. S. Nat. Mus-.; Victoria, Texas, 

 1916 (K. J. Leffland). Also two females with two oblique 

 central lines showing, from the same place, May 3 and 17, 

 1908, "defoliating oaks" (J. D. Mitchell). 



