1887.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 477 



The most obvious difference between this species is the almost uni- 

 formly more distinct maculation, and the very distinct s. t. line which has 

 always a very obvious dark shade folio iving it, while in alia, on the con- 

 trary, the shade, when it is distinct, always 2)>'ece(Zes the line. The median 

 shade and bicolored median space are never found in alia^ and are almost 

 always more or less, and often prominently, marked in the new species. 

 The autennaj of the $ are less distinctly bristled than in alia and the 

 genitalia are very different. The side piece is elongate, sides sinuate, 

 subequal, tip oblique and inwardly spinulose. Toward the base are 

 two small corneous beak-like processes, arranged Y shape, that form 

 the clasper. In alia, besides the difference in the side piece, the clasper 

 is long, slender, and regularly curved, with an additional small, slender 

 corneous process at the base. 



PERIGRAPHA Led. 



A free translation of Lederer's description of the genus is as follows : 

 ^' In habitus and the hairy eyes these insects resemble Twniocam2)a; 

 but the collar is excavated at the sides, and joined at the middle in a 

 sharp edge ; the thorax is somewhat produced at the sides, and behind 

 the collar there is a distinct crest. On the basal segment of abdomen 

 there is a large truncate tuft of hair. Antenure in both sexes pecti- 

 nated ; in the 9 the pectinations are shorter." 



" Primaries ash or brown gray, the ordinary spots unusually large, 

 continent, somewhat paler than ground color, deep black margined." 



In no American species known to me is the antenna of the 5 pecti- 

 nated ; but otherwise the description fits perfectly to the species I in- 

 clude in this genus. The pectination of the 9 antenna is so unusual a 

 character in this part of the noctuids that I should be inclined to 

 give it great value, yet until there has been more opportunity for com- 

 parison I prefer to leave our species in the European genus. One new 

 species requires describing. 



P. inferior Smith, sp. iiov. 



Primaries dark ash gray, all the maculation obsolete. Ordinary spots 

 fused, very slightly paler, but hardly defined. The primaries are 

 crossed by fine brown strigje, hardly visible except on close examina- 

 tion. Secondaries nniformly fuscous. Beneath powdery, secondaries 

 with a large discal spot. Head and thorax coucolorous with primaries ; 

 <;ollar inferiorly with a reddish tint. Expands 1.20 inches (30'""'). 



Habitat. — California. 



The unique $ type is with Mr. H. Edwards. Easily distinguished 

 by the nniformly dark gray color, the fused ordinary spots scarcely 

 paler. The genitalia are nearly as in muricina. The side piece is slen- 

 der, gradually enlarged to an obtuse lappet, which is inwardly sparsely 

 spinulose. Clasper bifurcate; the inferior branch very short, and 

 acutely terminated ; superior branch curved, subequal. 



