NO. 2192. DRAGONFLIES, CALIFORNIA AND NEVADA— KENNEDY. 607 



8. ANAX JUNIUS (Drury). 



About the sloughs. 



9. AESHNA MULTICOLOR Hagen. 



About the sloughs. This species was observed catchiug insects 

 on the market street of the city at twilight. They flew among the 

 wagons and buggies entirely indifferent to the numerous passers-by. 

 This habit of familiarity with man's haunts is very noticeable in. 

 multicolor . It is the most domestic of all the western Odonata 



10. LIBELLULA FORENSIS Hagen. 



About the sloughs. 



11. LIBELLULA SATURATA Uhler, 



Common. 



12. PLATHEMIS LYDIA (Dmry). 



On the sloughs. 



13. ERYTHEMIS SIMPLICICOLLIS (Say). 



Occasional on the sloughs, 



14. SYMPETRUM CORRUPTUM (Hagen). 



Common. Tliis species throughout the Sacramento and the San 

 Joaquin Valleys was widely scattered away from water. 



15. SYMPETRUM SEMICINCTUM (Say). 



About the sloughs. 



16. TRAMEA LACERATA Hagen. 



Several seen about the slough between the river and the city. 



AUBURN, PLACER COUNTY, CALIFORNIA. 



At Auburn I collected, July 18 and 19, m the small stream south of 

 the town, which may be termed the "town di*ain," as it carried the 

 sewage and run-off of the entire community; also on the American 

 River, which at this place flows at the bottom of a V-shaped gorge 

 over 1,000 feet deep. Tlie sides of tliis canyon are scantily clad with 

 digger pmes and scrub oaks, and the stream, 200 feet wide and 3 

 feet deep, flows over a bed of hych-aulic tailings, mainly drifting 

 coarse gravel and stones of all sizes. A few spring streams trickle 

 down the steep sides of the canyon. 



1. HETAERINA AMERICANA (Fabricius). 



Common along the river, apparently having emerged from the 

 main stream. 



2. LESTES UNCATUS Kirby. 



Several captui'ed on the "town drain." 



3. ARGIA AGRIOroES Calvert. 



Common on the "town drain." 



4. ARGIA EMMA Kennedy. 



Occasional on the rocks below the dam in the river. 



