1864.] 333 



micklle and towards the base, while it is more convex towards the apex, 

 and the outer edge of the wing is less oblique. 



The females are colored like the males, but the wings are larger. 



Parorgyia achatina Hiibner. 



Phaltzna achatina Smith. Nat. Hist. Lep. Ins. Ga. p. 15.3. Tab. 77. (1797). 

 Dast/chira achatitia Hiibn., Samml. E.xot. Schra. Bd. 1. PI. 17S, fig. 1—4. (1806). 

 Verz. (1816). 



"Walk. List. Lep. Ins. Br. Mus. Pt. IV. p. 865. (1855). 

 Morris, Synopsis Lep. N. Amer. p. 257. (1862). 

 % . Cinereous fuscous with olive green scales. Base of primaries 

 fuscous, ashen along the costa. An inner broadly dentate straight dark 

 transverse line. A linear discoidal spot. An outer waved dark line 

 goes parallel with the outer margin, bordered externally with fuscous. 

 Abdomen and wings beneath lighter umber brown. Discal spot distinct 

 on both wings, with a common rather broad line. 

 9 much larger, and all the markings are plainer. 

 Length of body, % .60, 9 .80 ; exp. wings % 1.20, $ 2.00 inches. 

 "July 23— Aug. 10, Cambridge" (Harris). (Harr. Col.). 



Parorgyia leucophaea. 



Fhaltena leucophxa Smith, Nat. Hist. Ins. Ga. p. 155. Tab. 78. (1797). 



G-eorgia (Abbot.) 



Parorgyia basiflava, n. sp. 



% . Head and prothorax lighter than the rest of the thorax. Base 

 of the primaries within the basal line yellow. Costa above this yellow 

 spot darker than the rest of the wing, which is cinereous, without any 

 green olive scales. Basal line straight between the median and inter- 

 nal nervure. The outer line approaches the inner on the internal 

 margrin. A larae orbicular discal circle. 



Beneath lighter, with an obscure common broad diffused line and a 

 discoidal dot on each wing, much larger on the primaries. 



Length of body .70; exp. wings 1.42 inch. 



" Nonantum," (Harris). (Coll. Harr.). 



LAGOA Harris. 

 This is a very stout bodied genus, with small and short wings. The 

 front of the head is broadly triangular; the antennae, which are two- 

 thirds as long as the fore wings, are deeply pectinated to the tip, and 

 the % pectinations are as long as the front of the head is broad, well 

 sealed and their tip.s are incurved, while the 9 pectinations are short 



