218 S. FRANK AARON. 



Notozus iiiterinediiis n. sp. — Green, blue and fuscous on the dorsum of 

 postscutelluin ; ooeiput very sparsely punctured, leaving smooth areas; prothorax 

 with the anterior, lateral and posterior margins closely and broadly punctured, 

 with some scattered punctures in the middle, leaving a narrow, smooth area across 

 the middle on each side; mesothorax smooth, a double row of close punctures 

 along the sutures, and few over the tegulse; metathorax with large, rather divided 

 punctures; the postscutellum not produced, but high and obtusely pointed pos- 

 teriorly; abdomen with the first and second segments finely and sparsely punc- 

 tured, larger and somewhat confluent on the third segments; margins of third 

 segment broadly semi-transparent brown on apical half, apical prolongation slen- 

 der, high, the truncation, as viewed posteriorly, elliptical; the closing membrane 

 black ; wings infuscated ; 4 teeth in the claws ; 4 mm. long. % . 



Montana ; one specimen ; very distinct, but in some of the general 

 characters intermediate between Elampns and Notozvs. 



IVotoziiS seiiiinudus n. sp. — Blue, with green and purple reflections, 

 rather dull; occiput smooth, with a few small punctures in groups or rows; pro- 

 thorax smooth on the disc, a few scattered punctures in the middle, the anterior 

 and lateral margins closely punctured, the posterior margin with a single even 

 row of punctures; mesothorax smooth, a few scattered punctures on the median 

 sutures and above the tegulse; metathorax evenly and strongly punctured, dull 

 blackish or fuscous, with very little or no metallic reflections; abdomen with the 

 first segment partly smooth, the second very finely and sparsely punctured, the 

 third with the punctures much larger, confluent, appearing roughened; apical 

 projection small, almost coming to a point, the truncation circular, the closing 

 membrane black or fuscous; wings infuscated; .3—4 teeth in the claw; 5-6 mm. 

 lon^. -S- ?. 



Washington Territory ; four specimens. 



IVtttozus nitidiis n. sp. — Head and thorax green, purple and blue, dull on 

 the postscutellum, occiput, pro- and mesotliorax sparsely, but almost evenly punc- 

 tured ; abdomen sparsely and finely punctured, elegantly colored with golden 

 cupreous and some green reflections; venter green; femora and tibia green and 

 blue, apical closing membrane black; wings infuscated ; .3.5-4 mm. long. %, . 



Montana and California ; two specimens ; a most beautiful and very 

 distinct species. 



IVotozus hyaliiiU!^ n. sp. — Entirely green, blue and purple, dull on the 

 postscutellum: occiput pro- and mesothorax sparsely but evenly punctured ; ab- 

 domen sparsely and very finely punctured ; apical projection evenly rounded 

 above, the end circular; membrane black ; wings clear hyaline ; 4-4.5 mm. long. 9- 

 Montana and Nevada ; three specimens. 



IVotozus ver!«icoIor. 



Elavipus versicolor Norton, Trans. Am. Ent. Soe. vii, 235, 1879. 



One specimen from Dakota (the type) and one from Montana. The 

 first is dark blue and purple with green reflections, while the Montana 

 specimen is emerald-green with very little blue and no purple. The 



