THE CANADIAN ENTOMOLOGIST 347 



Female much like male, dorsum of the abdomen more 

 broadly yellowish. 



Male holotype, Three Rivers, Giant Forest, Tulare Co., Calif. 

 800-6500 ft., 16th July, 1907; collected by Dr. J. C. Bradley; now 

 in the Cornell University collection. Female allotype from Sonoma 

 Co., Calif., and a male paratype from the same place, both in the 

 Cornell University collection. There are also paratypes of both 

 sexes in the Museum of the Brooklyn Institute of Arts and Sciences. 



Nehalennia carlotta, n. sp. 



Total length o 71 , 24 mm., abdomen 19 mm., hind wing 14 mm. 

 Total length 9 , 28 mm., abdomen 21 mm., hind wing 17 mm. 



Face pale with a narrow transverse brown stripe on the base 

 of the labrum, and a similar broader stripe on the clypeus; vertex 

 and occiput metallic bluish green, rear of occiput yellow. Dorsum 

 of prothorax and thorax metallic bluish green, pale beneath, 

 sutures and carina? brown. Abdomen metallic bluish green on 

 dorsum, pale beneath. The metallic green is abbreviated and 

 bilobed on segment 8, and reduced to paired triangular basal spots 

 on 9 and 10. Legs pale, dark line exteriorly on femora and tibia?. 

 Appendages (figs, e and f) light brown. Wings hyaline, stigma 

 light yellowish, .5 mm. long, surmounting one cell. Colouring of 

 female similar, but somewhat paler, the metallic bluish green on 

 the terminal segments is less abbreviated. 



Male holotype, female allotype, and several paratypes of both 

 sexes, Saranac Inn, N. Y., July, 1900, collected by Dr. J. G. Need- 

 ham; in the Cornell University collection. 



This is the species referred to in Bulletin 68 of the New York 

 State Museum, pp. 218, 249 and 250, as Nehalennia gracilis. A 

 closer examination of the material and a comparison with the 

 figures in Dr. Calvert's recent papers on the species of Nehalennia 

 (Ent. News, Vol. XXIV, pp. 310-316, 373-374) prove this to be a 

 new species. 



Gomphus abditus, n. sp. 



Total length cf, 47 mm.; abdomen 33 mm.; hind wing 29. 

 Total length 9 , 49 mm.; abdomen 36 mm.; hind wing 32 mm. 



Face, occiput and vertex yellow, labrum narrowly bordered 

 with brown, clypeus and middle portion of frons obscurely washed 

 with brown. Prothorax brown with an irregular yellow median 



