634 PROCEEDINOS OF THE NATIONAL MUSEUM. vol.52. 



11. AESHNA INTERRUPTA NEVADENSIS Walker. 



Walker Lake, Mono County, 7,700 feet, Ferris. Elizabeth Lake, 

 Yosemite National Park, '.),000 feet, Reynolds. Four males and 

 one female, Harden Lake, Tuolumne County, 7,575 feet, Dr. J. H. 

 Comstock. 



12. AESHNA PALMATA Hagen. 



One male, Sugar Pine, Tuolumne County, 5,000 feet, Dr. J. C. 

 Bradley. 



13. CORDUUA SHURTLEFFI Scudder. 



Tuolumne Meadows, Yosemite National Park, 8,600 feet, Ferris. 

 Dog Lake, Yosemite National Park, 9,000 feet, Reynolds. 



14. SOMATOCHLORA SEMICIRCULARIS (Selys). 



Cahoon Meadows, Giant Forest, 7,000 to 8,000 feet, August 15, 

 1915, Dr. J. C.Bradley. 



15. LIBELLULA PULCHELLA Drury. 



Yosemite Valley, 4,000 feet, Ferris. Tliis species is an intermedi- 

 ate species. At extreme elevations quadrimaculata is the only Libel- 

 lula. 



16. LIBELLULA QUADRIMACULATA Linnaeus. 



Yosemite Valley, 4,000 feet, Ferris. This is almost as low as this 

 species comes in middle California. Tuolumne Meadows, Yosemite 

 National Park, 8,600 feet; Walker Lake, Mono County, 7,700 feet, 

 Ferris. Harden Lake, Tuolumne County, 7,575 feet. Dr. J. H. Com- 

 stock. 



17. LIBELLULA SATURATA Uhler. 



Male and female, Giant Forest, Sequoia National Park, 6,500 feet, 

 Dr. J. H. Comstock. This is the highest record for this species. 

 The record appears to be correct. It is distinctly a hot valley 

 species. See Pachydiplax, p. 635. 



18. PLATHEMIS LYDIA (Drury). 



One male, Giant Forest, Sequoia National Park, 6,500 feet. Dr. 

 J. C. Bradley, July 17, 1907. Tlie upper limit of tliis species. See 

 Pachydiplax, p. 635. 



19. SYMPETRUM CORBUPTUM (Hagen). 



Fresno County, 10,000 feet, California Academy. Mount Hutch- 

 ings Ridge, 10,450 feet, Grinnell. Mono Lake, Mono County, Cali- 

 fornia, Ferris. Crab tree Meadows, near Mount Whitney, 10,550 feet, 

 Dr. J. C. Bradley. One female, Sugar Pine, Tuolumne County, 5,000 

 feet, Dr. J. H. Comstock. Most abundant from sea level up to 5,000 

 feet.^ 



20. SYMPETRUM RUBICU>a)ULUM DECISUM (Hagen). 



Kings River Canyon, 5,000 feet, California Academy. Kern River, 

 6,000 to 7,000 feet. Dr. J. C. Bradley. 



> Ann. Ent. Soc. Amer., vol. 8, 1915, p. 300. 



