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PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 



twelve to fifteen or twenty alighting on the same stalk or twig. It is 

 not wary, but neither is it inquisitive like the preceding species. 

 These two species of the genus were present in great numbers, the 

 others but sparingly. 



3. LIBELLULA PULCHELLA Drury. 



Only a few seen and none of them secured. 



4. LIBELLULA LUCTUOSA Burmeister. 



Two females secured in fine color. 



5. ANAX JUNIUS (Drury). 



A single pair secured close to the shore. 



6. TETRAGONEURIA SPINIGERA (Selys). 



Common everywhere, but not in great numbers like Lihellula emista and 

 L. quadrmiaculata. 



7. LEUCORHINIA INTACTA (Hagen). 



Common, but in small numbers; at Curve Lake, which is badly polluted 

 by drainage from some harvester works in the immediate vicinity, 

 this was the only dragonfly to be seen. 



8. LEUCORHINIA PROXIMA Calvert, or FRIGIDA Hagen. 



This is the same species as was found at Lake Amelia ; only a few speci- 

 mens were seen, and these were all secured. 



9. ENALLAGMA HAGENI (Walsh). 



Very common; hundreds secured by a single sweep of the net through the 

 long grass along shore. 



10. ENALLAGMA EBRIUM (Hagen). 



Not as common as the preceding ; about in the proportion of one to ten. 



11. NEHALENNIA IRENE (Hagen). 



Both sexes fairly common, but not in such numbers as Ischnura posita. 



12. ISCHNURA POSITA (Hagen). 



Found in company with EnaUagma hageni and E. ehrium everywhere; not 

 as plentiful as the former, but more so than the latter. 



IV. MISSISSIPPI RIVER, BETWEEN ST. PAUL AND HASTINGS, JULY 12. 



1. LIBELLULA PULCHELLA Drury. 



Not common ; only a few seen flying across the rive*. 



2. LIBELLULA QUADRIMACULATA Linnaeus. 



Common on the bluffs on the east bank of the river ; both sexes secured. 



3. LIBELLULA LUCTUOSA Burmeister. 



Both sexes captured upon the same bluffs on which L. qiiadrimaculaia 

 Vt^as taken. 



4. PLATHEMIS LYDIA (Drury). 



Not common, only two specimens secured, both females. 



5. GOMPHUS FRATERNUS (Say). 



A couple of males were secured from the river bank just below St. Paul. 



6. LEUCORHINIA INTACTA (Hagen). 



Common everywhere along both banks of the river, 



7. LEUCORHINIA PROXIMA Calvert or FRIGIDA Hagen. 



The same species as previously recorded, obtained from the bluffs along the 

 east side of the river. 



8. TETRAGONEURIA CYNOSURA (Say). 



Common everywhere, flying over the water and along the banks. 



