ODONATA. 29 



LIBELLULIDAE. CORDULINAE. 



95. Tetragoneuria spinosa (Hagen) Selys. 



Needham, Bull. 47, N. Y. st. mus., 1901, pp. 493, 495, pi. 22, 

 fig. 2. 



Cordulia spinosa Hagen, Bull. acad. Belg., 1878, (2) vol. 45, 

 p. 188. "Georgia (Etats-Unis)." 



N. n. — Franconia (Mrs. Slosson). 



96. Helocordulia uhleri (Selys) Needham. 



Needham, Bull. 47, N. Y. st. mus., 1901, p. 497, text figs. 

 21.r, y, z (imago), 22 (nymph). 



Cordulia uhleri Selys, Bull. acad. Belg., 1871, (2) vol. 31, p. 

 274. " Randal, Maine New-Jersey." 



Me. — May, June ; Orono (Harvey) , Manchester (Miss Wads- 

 worth). 



Mass.— Stow (Hagen), West Bridgewater (Tower). 



Hote. The first locality given by de Selys and quoted above 

 is an error for "Randal[l], Stow, Mass.," Randall being the col- 

 lector's name. See Hagen, Proc. Bost. soc. nat. hist., vol. 15, 

 p. 269. 



97. Somatochlora linearis (Hagen) Selys. 



Needham, Bull. 47, N. Y. st. mus., 1901, p. 501, text fig. 25. 



/Somatochlora sp.? no. 2. Needham, Bull. 68, I. c, 1903, p. 

 269 (nymph : cf. Ent. news, 1905, vol. 16, p. 6). 



Cordulia linearis Hagen, Syn. Neur. N. Amer., 1861, p. 137. 

 " St. Louis." 



Me. — July 27; Manchester (Miss Wadsworth). Probably 

 this species. 



98. Somatochlora septentrionalis (Hagen) Selys. 



Cordulia septetitrionalis Hagen, Syn. Neur. N. Amer., 1861, 

 p. 139. "Labrador." 



