NO. 2192. DRA00NFLIE8, CALIFORXIA AND NEVADA KENNEDY. 613 



20. LIBELLULA QUADRIMACULATA Linnaeus. 



Common about the outlet. This is the common Lihellula at this 

 high altitude. 



21. SYMPETRUM CORRUPTUM (Hagen). 



Several seen near the outlet to the lake. 



22. SYMPETRUM OBTRU8UM (Hagen). 



Several caught near the outlet. Abundant near the Truckee 

 slaughterhouse. 



23. SYMPETRUM PALLIPES (Hagen). 



Several caught among the willow thickets near the outlet. Emerg- 

 ing in large numbers in the boggy meadow near the slaughterhouse. 

 PaUipes, scoticum, and ohtrusum seem to be able to live in mud. 



24. SYMPETRUM SCOTICUM (Donovan). 



Both mature imagoes and tenerals abundant near the slaughter- 

 house. 



25. LEUCORRHINIA GLACIALIS Hagen. 



One individual was caught near the outlet and three were taken 

 near the Truckee slaughterhouse. 



SQUAW CHEEK AND TRUCKEE RIVER ABOVE rx^NNER CREEK, ELEVATION 6,000-6,500 

 FEET, PLACER COUNTY, CALIFORNIA. 



1. LESTES CONGENER Hagen. 



Not common. 



2. LESTES UNCATUS Kirby. 



Second most numerous species in Squaw Creek meadows. 



3. ARGIA EMMA Kennedy. 



Several taken on Truckee River near outlet of Lake Tahoe. This 

 is the highest altitude for this species. It probably exists here 

 because Tahoe does not freeze and so the Truckee River does not 

 freeze. 



4. ARGIA VIVIDA Hagen. 



Occasional along the Truckee River. One or two were seen in the 

 inlet at McKinney's Camp on Lake Tahoe. This is the highest 

 California record for this species. 



5. ENALLAGMA CYATHIGERUM (Charpentier). 



Occasional in Squaw Creek meadows and on Trackee River. 



6. COENAGRION RESOLUTUM (Hagen). 



Occasional in Squaw Creek meadows. 



7. AESHNA INTERRUPTA NEVADENSIS Walker (?). 



Several female interrupta were taken along Truckee River, probably 

 var. nevadensis. This species is abundant and in place at this 

 altitude. 



8. AESHNA PALMATA Hagen. 



One male was seen at close range seated on a willow in Squaw 

 Creek meadows. This as far as my data shows is the upper limit of 



