62 MARINE AND FISHERIES 



5 GEORGE v., A. 1915 



30. Libellula exusta julia. 



31. " quadrimaculata. 



32. " pulchella. 



Some of these, such as Nos. 10, 20 and 32 are commoner in the Carolinian and 

 Alleghanian Zones, while others, such as Nos. 18, 22, 25 and 30 are more frequent 

 in the Canadian Zone. The others are generally distributed as far as known. 



The following are Alleghanian and Carolinian: — 



1. Lestes vigilax. 



2. " rectangularis. 



3. " inaequalis. 



4. Argia moesta putrid a. 



5. Nehallenia gracilis. (?) 



6. Enallagma exsulans. 



7. " signatum. 



8. " pollutum. 



9. Gomphus fraternus. 



10. Aeshna clepsydra. 



11. " verticalis. 



12. " tuberculifera. (?) 



13. Nasiaeschna pentacantha. 



14. Macromia illinoiensis. 



15. Epicordulia princeps. 



16. Nannothemis bella. 



17. Celithemis elisa. 



18. Leucorrhinia intacta. 



19. Sympetrum corruptum. 



20. Libellula vibrans incesta. 



Nos. 4, 7, 8, 9, 13 and 15 range also into the Austroriparian Zone, No. 13 

 reaching the Gulf Strip. No. 19 is chiefly Western (Transition and Upper Sonoran). 

 The following are chiefly Transitional and Canadian; — 



1. Enallagma cyathigerum. 



2. " calverti. 



3. Gomphus brevis. 



4. Aeshna eremita. 



5. Neurocordulia yamaskanensis. 



6. Cordulia shurtleffi. 



7. Somatochlora williamsoni. 



8. Leucorrhinia frigid a. 



9. " glacialis. 



10. " proxima. 



11. " hudsonica 



12. Sympetrum danae. 



No. 3 extends into the Carolinian Zone, No. 5 is mainly Alleghanian, The 

 others are all more abundant in the Canadian Zone, Nos. 1, 2, 4, 6, and 11 rang- 

 ing far into the Hudsonian Zone. 



