NORTH AMERICAN ODONATA. 241 



black humeral line; sides yellow. Abdomen orange, 5 or 6-8 or 9 dark metallic 

 F-eeu, 9 with a black mark each side at base. Pterostigma of all the wings 

 I ormal, yellowish. 

 Abd. I 18-22, Or. 9 18-21. H. w. % 10-12, Or. 9 12-15. 



Ridley Twp., Del. Co., Pa., May 17— Aug. 9, Sept. 24-25. 

 Maine to Florida; Indiana, Louisiana, Texas, Cuba, Hayti, Ven- 

 ezuela. 



Subfamily 3. GOMPHIN^. 



11. Tucliopteryx Selys. 



Selys, Bull. Ac. Belg. (2) vii, p. 551, 1859. 



Tachopteryx Tlioreyi Hagen. 



Uropetnla T. Hagen, Mon. Gomph. p. ,373, pi. 19, fig. 3, 1858. T. T Selvs I c 

 xlvi, p. 696, 1878. . • • • 



Olive or pale lilac. Face yellowish, the following black : a transverse band 

 on nasus, a transverse basal stripe on frons superiorly, thoracic sutures, a humeral 

 baud enclosing a yellow spot, a band on second lateral suture and on lateral meta- 

 thoracic carina, two spots each side on 2, apical half of and a dorsal band on 3-7, 

 most of 8-10. Triangle of hind wings of two cells. Pterostigma very long (8- 

 9.5 mm ) and narrow. 



% . Sup. app. longer than 10, flattened, twice as wide at two-thirds of length 

 as at base, apex obtuse, a small submedian inferior tubercle. Inf. app. one-fifth 

 shorter, broad, an acute, superior, submedian, recurved tooth each side, apex pro- 

 longed at each side to form an acute process, which is curved upwards and out- 

 wards. 



9 (not seen by the writer). Vulvar laminae reaching base of app. 

 Abd. % 54-58, 9 54-55. H. w. •£ 5], 9 51-53, 



Massachusetts, New York, Maryland, North Carolina (A, E. S.), 

 Kentucky, 



12, Hagen j us Selys, 

 Selys, Bull. Ac. Brux. xxi, pt. 2, p. 82, 1854. Mon. Gomph. p. 238, 1858. 

 Hageniusi brevi!$tyliis Selys. 



H. h. Selys, II. cc. p, 82, 1854 ; p. 241, pi. 13, fig. 2, 1858. 



Black. The following yellow: face (except basal baud on frons above and 

 sutures), lahrum, mid-dorsal thoracic carina, one or two narrow antehumeral 

 stripes, a transverse anterior stripe, two broad lateral bands and a line between 

 them on thorax, a dorsal stripe on 1 to base of 8, sides of 1-10. 



% (not seen by the writer). Occiput moderate, hind border convex. Sup. app. 

 a little shorter than 10, .stout, curved slightly inwards, three inferior teeth, apex 

 acute, curved downwards to form a hook. Inf. app. of equal length, quadran- 

 gular, broader than long, apex upcurved. 



9 . Occiput small, upper surface concave, hind border hardly concave, on each 

 side a small, posterior, rounded tubercle. Vulvar lamina not as long as half of 

 9, nearly quadrangular, somewhat narrower at apex, apical margin'eoncave. or 

 even bifid for one-third the length of the lamina. 



Abd. % 54-56, 9 54.5-63, H, w, % 47-50, 9 50-55. 



TEANS. AM, ENT. SOC. XX. (31) SKPTEMBEE. 1893 



