478 NORTH AMERICAN NOCTUID^. 



TRICHOCLEA Grt. 



T. edwardsii Smith, sp. nov. 



Primaries powdery, asli gray ; termiual space distinctly paler. Basal 

 line indicated by a geminate black spot on median vein. T. a. line 

 marked on costa only, and by a small brown dot in place of theclaviform. 

 T. p. line marked by a series of dark venular points, and an incomplete 

 line of white scales. Median shade marked on costa. S. t. line marked 

 by the pale terminal space, and a row of dusky dots. A row of small 

 black terminal lunules. Orbicular very large, sub-obsolete, marked only 

 hj two curved dusky spots ( > , indicating the outer margins. Reni- 

 form faintly outlined, inferiorly dusky. Head and thorax concolorous 

 with primaries. Secondaries white, with broad, blackish outer margin, 

 fringes white. Beneath, primaries white, with darker powderings, re- 

 producing very faintly the macuiation of upper side. Secondaries im- 

 maculate, white. Expands 1.4 inches (35'"™). 



Habitat. — California. 



This species differs very evidently from decepta as well in structure as 

 in macuiation 5 but is yet perfectly congeneric. The front is not so full, 

 the body is shorter and more robust; the vestiture is hairy instead of 

 scaly and the primaries are somewhat more pointed. The $ genitalia 

 after the same type as decepta, but the basal projection is wanting, the 

 slender hook is replaced by a short, beak-like ciasper, and the spatulate 

 projection is much larger and more prominent. The unique $ type is 

 in the collection of Mr. Hy. Edwards, to whom I take much pleasure in 

 dedicating this pretty species. [Others have since been taken agreeing 

 with the type, and several are in the Museum collection.] 



ORTHODBS Gn. 



The species of this genus are characterized by the silky vestiture of 

 the cell of primaries beneath, as well as by wing form, habitus, and minor 

 structural characters. Some of the species have a very wicie range of 

 variation, and are often difficult to recognize. 



The following seems new : 



O. irrorata Sinitli, sp. nov. 



Primaries red brown, powdery; medium lines distinct, accompanied 

 by broad luteous shades. T. a. line waved, with a wide outward bend 

 at middle. T. p. line crenulate, nearly parallel with outer margin. S. t. 

 line diffuse, pale, preceded by a dusky shade. An interrupted terminal 

 line. Fringes pale, dotted at base. A more or less distinct shade lino 

 through outer portion of median space. Orbicular small, indefinite, 

 luteous. lieniform narrow, upright, indefinite, luteous. Secondaries 

 blackish, somewhat varying in shade. Beneath, powdery with a broad, 



