NEURONIA. 251 



with two yellowish points; posterior wings with the apical margin 

 hardly irrorated with fuscous, having a short, fuscous subapical 

 band. 



Male. Having the dorsal lamina elongated, the sides involuted, 

 the apex with two long spines; superior appendages longer than 

 the lamina ; ventral lamina 4-toothed. 



Female. Ventral lamina shining, the base brownish-black, very 

 much narrower at the apex, recurved, bifid. 



Length to tip of wings 23 28 millim. Alar expanse 44 52 

 millim. 



Hob. St. Martin's Falls, Albany River, Hudson's Bay (Barns- 

 ton) ; Nova Scotia (Redman) ; St. John, Newfoundland; Ohio; 

 Pennsylvania; New Jersey; Massachusetts; Kentucky (Say); Wash- 

 ington (Osten Sacken); New York (Collection of Hagen). Every- 

 where north of the Southern States (Uhler). 



A variety has the baud absent from the posterior wings (Nova 

 Scotia). 



6. N. postica! 



Neuronia postica Walk. ! Catal. 9, 9. 



Fulvous; antenna? annulated with fuscous, the apex fulvous; 

 head and thorax fuscous, with fuscous hair; feet with fulvous spines ; 

 wings fulvous, veins of the same color ; the anterior ones trans- 

 versely irrorated with fuscous, a small basal spot and an abrupt 

 streak upon the middle of the posterior margin, fuscous; disk with 

 two whitish points ; hind wings with an angulated, subapical, fus- 

 cous band. 



Male. Having the dorsal lamina elongated, the apex narrower, 

 incised ; superior appendages with a longer lamina ; the ventral 

 lamina bidentate. 



Female. Ventral lamina shining, middle of the base brownish- 

 black, each side ciliated with fulvous, the apex narrow, recurved, 

 entire ; each side with a rather long anal palpus. 



Length to tip of wings 28 millim. Alar expanse 52 millim. 



Uab. Georgia (Abbot) ; Pennsylvania (Collection of Hagen) ; 

 Washington ; Massachusetts (Osten Sacken) ; N. Red River 

 (Kennicott). 



A variety has the band absent from the posterior wings. 



Do not some of the localities cited for N. semifasciata Say, be- 

 long to N. posticat 



