230 PHILIP p. CALVERT. 



straight dilatation, somewhat denticulated, ending by an obtuse angle. Inf. app. 

 reaching to the middle of the dilatation, with apices curved inwards and up- 

 wards, blunt, not dilated. 



9- Abdomen with a narrow, yellow, mid-dorsal line. 



Abd. % 28-29, 9 25-27. Hind w. % 18.5-21, 9 20-22. 



New York, Delaware, Yellowstone, Colorado, Nevada (Hill man). 



B. % . Inf. npp. longer than half of, but not longer than, sup. app. Rear of the 

 head ( '^ 9 ) blackish. 



a. % . Inf. app. s-shaped. 9 with a yellow band from eye to eye across rear 



of head. 

 L.estes unguiculata Hageu (PI. Ill, fig. 16). 



L. u. Hagen, Syn. Neur. N. A., p. 70, 1861. Selys, Bull. Ac. Belg. (2) xiii, p. 

 299, 1862. 



Blackish brown; lips, mid-dorsal thoracic carina, a humeral stripe (usually. 

 narrower in % than 9)-fi'i<i the sides inferiorly, yellow. Frequently a broad 

 oblique, blackish band near second lateral suture. Abdom. dorsum metallic 

 brown or green, 3-7 with an interrupted, basal, yellow ring. Pterostigma brown, 

 the vein at each end white. 



% . Sup. app. on inner side with a short, acute, basal tooth, followed by a dilata- 

 tion whose edge is first convex, then concave, and more or less denticulated. Inf. 

 app. somewhat s-shaped, curving from base to apex, outwards, inwards and out- 

 wards. Much of adult % pruinose. Teneral males also show the postcephalic 

 band of the 9 • 



9. Humeral stripe wider below. 



Abd. % 25 31.5, 9 22.5-31.5. Hind w. % 17-21.5, 9 17.5-25. 



% 9 , Pennsylvania, June 16, by S. F. Aaron (A. E. S., C). 

 Quebec to Pennsylvania, and across the continent to California. 

 (Sheraton, J. P. Moore, Hitchings, Harvey, Truman, Cheney, 

 Hillman,— A. E. S., C.) 



b, % . Inf. app. straight, or nearly so. 9 tvifh no yellow postcephalic band. 

 l.estes iiiicata Kirby (PI. III. fig. 18). 



L. u. Kirby, Cat. Odon. p. 160, 1890. L. forcipata Hagen, Syn. Neur. N. A., p. 

 71, 1861. L. hamata Selys. Bull. Ac. Belg. (2) xiii. p. 300, 1862. 



Metallic green. Lips, a humeral stripe (occasional in 'J, j and sides of thorax 

 inferiorly, yellow. 



'J,. Sup. app. on inner side with two acute teeth, ed^e between them denticu- 

 lated. Inf. app. reaching as far as the second tooth, almost straight, apices widened 

 on the inner side. 



9 . Mid dorsal thoracic carina yellow; humeral stripe uniformly narrow. 



Abd. % 26-32, 9 23 5-29. H. w. % 19-22, 9 19-24. 



Nova Scotia, Maine, New Hampshire, Massachusetts, District of 

 Columbia, Georgia, Ontario, Illinois, Wisconsin, South Dakota, 

 California (Miss Wadsv/orth, Mrs. Slosson, Sheraton, Calvert — A. 

 E. S., C, Mich. Agric. College). 



