1 900] ENTOMOLOGICAL NEWS. 457 



from New Mexico differ from pm-carum in another direction. 

 Anna stands between civile and pr&varum. From civile it may 

 be recognized at once by the reduced tubercle and lower branch 

 of the superiors. 



8. Opb.iogompb.us severus Hagen. 



At Medicine Bow this species was transforming by dozens 

 along the banks of the Medicine Bow River. The species was 

 also very common, both as tenerals and as full)' matured indi- 

 viduals, along Sheep Creek. In the male the two branches of 

 the inferior abdominal appendage are pressed together in their 

 apical half. 



Medicine Bow, July 20 ; Sheep Creek, Albany Co., July 23. 



9. Somatochlora elongata Scud., var. minor Calvert. (PI. IX, figs, ir, 

 ii a). 



Ab. $ 32 mm.; h. w. $ 34; pter. 2.75 (2. 2.15 in the types). 



Sheep Creek, Albany Co., Aug. 6, 2 $ $ . One of these was 

 compared by Dr. Calvert with his types and identified in this 

 way. The following differences from his original description 

 (Ent. News, ix, p. 87, April, 1898) may be noted : 



cf. Postclypeus (nasus) and vertex black ; mesepimeron and metepi- 

 meron each with a median oblong yellow or whitish spot. 



10. Libellula quadrimaculata Linne". 

 L/aramie, July 19, one 9 



11. Sympetrum rubicundulum Say. 



Laramie, July 19 ; Medicine Bow, July 20 ; Sheep Creek, 

 Albany Co., July 23 and August 6 ; Little Medicine, Carbon 

 Co., July 30. A very abundant species wherever observed. 



12. Sympetrum scoticum Donovan. (PI. IX, figs. 12, 14). 



Ab. $ 22, $ 21 J h. W. J\ 9 2 5 . 



c5\ Labium yellow with a median black stripe ; labrum dark brown ; 

 clypeus and irons green ; the frons above and extending on to the front 

 more or less tinged with brown, black before the vesicle extending to 

 and a short distance around the eyes in front ; vesicle and occiput red- 

 dish brown ; rear of head yellow, each side with three black spots or 

 lines. First two lobes of the prothorax marked with bright yellow and 

 black ; hind lobe orange, deeply bilobed. Thorax heavily clothed with 

 white or yellowish tinged pile ; above bright yellowish brown extending 



