NO. 2192. DRAGONFLIES, CALIFORNIA AND NEVADA— KENNEDY. 623 



21. LreELLULA NODISTICTA Hagen. 



One was caught on a fence back of the hotel. Not seen elsewhere. 



22. LIBELLULA PULCHELLA Drury. 



Common about the springs. 



23. PLATHEMIS SUBORNATA Hagen. 



One male was caught near a sprmg. This is the first record for 

 this species west of Utah.* It was not common at this point. 



24. ERYTHEMIS SIMPLICICOLLIS (Say). 



Common about the pond east of the hotel. 



25. SYMPETRUM CORRUPTUM (Hagen). 



Occasional on the gravel bars in the river. 



26. SYMPETRUM COSTIFERUM (Hagen). 



Occasional about the pond east of the hotel. 



27. SYMPETRUM PALLIPES (Hagen). 



Common in the willow thickets along the river. This species seems 

 always to prefer cool somewhat shaded places. 



28. SYMPETRUM SEMICINCTUM (Say). 



Common in the fields along the river. The males of this species 

 sometimes go to sleep while seated in the sunshine, when they can 

 be picked up by hand. 



HUMBOLDT RIVER, WINNEMUCCA, NEVADA. 



The Humboldt River at this point is about twice as large as at 

 Golconda and twice as muddy. It has no gravel bars. " Pin willow ' ' 

 thickets made collecting impossible except near the town. Three 

 hours on August 8 were spent here. 



1. LESTES CONGENER Hagen. 



Several seen along a ditch. 



2. ARGIA EMMA Kennedy, 



Several caught along the river. 



3. ENALLAGMA CARUNCULATUM Morse. 



Common along a ditch. 



4. GOMPHUS OLIVACEUS NEVADENSIS Kennedy. 



About 20 were caught in the wiUow thickets near the slaughter- 

 house (see p. 557). 



5. AESHNA MULTICOLOR Hagen. 



Several seen. A male caught. 



6. MACROMIA MAGNIFICA Mc Lachlan. 



A single male was seen on the river. 



7. SYMPETRUM SEMICINCTUM (Say). 



Common in the willow thickets. 



HUMBOLDT RIVER, LOVELOCKS, NEVADA. 



At Lovelocks the Humboldt Valley widens out and has been put 

 under irrigation. The river at this point flows through an earth- 

 walled channel 20 to 40 feet deep. As nearly aU the water is taken 



> During August, 1915, 1 found this species of Plathemis abundant in Owens Valley, Inyo County. 



