244 '[April 



2. Nematus integer, Say. 



Xi : mat us integer. Say, Bost. Journ. Natural Hist. i. p. 218. Norton. Proc. Bost. 

 Soe. Nat. Hist, viii, p. 158. 

 One 9 specimen. 



Genus SELANDEIA, Leach. 

 Sec. I. Tribe 2. 



1. Selandria barda. Say. 



Selandria bar-da. Say, Bost. Journ. Nat. Hist, i, p. 218. Norton. Proc. Bost. 

 Soc. Nat. Hist, viii, p. 220. 

 One specimen. • 



2. Selandria dubia, n. sp. 



Black: most of thorax yellowish-rufous : wings fuliginous, apical third and 

 posterior pair smoky-hyaline. 



Female. — Shining black, robust ; head with scattered punctures, the 

 labrum and base of mandibles clothed with pale pubescence; antennae 

 about as long as the head and mesothorax together, stout, first joint 

 short, subglobose, second a little shorter than the first, third half again 

 as long as tbe first and second together, remaining joints subequal, sub- 

 serrate beneath, the terminal joint the shortest. Thorax rufo-ferrugi- 

 nous. polished; pleura protuberant, the posterior portion on tbe sides 

 and beneath, black ; metathorax black ; tegulse rufo-ferruginous. Wings 

 ample, smoky-hyaline, faintly iridescent, the basal two-thirds of the 

 anterior pair fuliginous, darker at base ; nervures and stigma black ; 

 anal angle of the posterior wings pure hyaline, beautifully iridescent ; 

 the left wing with one middle cell, but none on the right wing, the 

 outer nervule entirely obliterated. Legs entirely black, slightly seri- 

 ceous. Abdomen short, almost as broad as long, depressed, entirely 

 shining black, the extreme apex fringed with pale pubescence. Length 

 3f lines; expanse of wings 9 lines. 



One specimen. Closely allied to S. barda Say, but is larger, more 

 robust, and with greater expanse of wings. 



Sec. III. Tribe 2. 



3. Selandria montana. n. sp. 



Whitish: vertex and mesothorax brownish; antennae piceous; dorsal sur- 

 face of abdomen, shining black : wings tinged with yellowi«h-fuscous ; legs 

 pale, blackish at tips. 



Female. — Head whitish, finely pubescent; the vertex, occiput, and 

 stains on the cheeks, pale-brownish; tips of mandibles piceous; an- 

 tennae short, piceous, proportioned as in the preceding species. Thorax 

 whitish, minutely punctured, finely pubescent; mesothorax, scutellum. 

 part of metathorax, a stain on each side of the pleura beneath, and 

 another just beneath the wings, brown ; tegulae whitish. Wings ample, 

 subhyaline, iridescent, the anterior pair uniformly tinged with pale yel- 



