56 MARINE AND FISHERIES 



5 GEORGE v., A. 1915 



(b) 



1. Enallagma carunculatum. 



2. Hagenius brevistylus. 



3. Gomphus lividus. 



4. " exilis. 



5. Basiseschna Janata. 



6. Nasiaeschna pentacantha? (rare). 



7. Epicordulia princeps. 



8. Tetragoneuria cynosura simulans. 



Of the species in sub-group (a) No. 2 is mainly a species of the rapids but 

 also frequents the exposed shores of the outer islands; No. 4, is chiefly a river 

 form, likewise occurring about the outer islands though sparingly; the others 

 are generally distributed, though No. 5 shows a distinct preference for slightly 

 running water, while No. 9 is most at home in the deeper waters about precipitous 

 rocky shores or in the neighbourhood of rapids. 



The species of sub-group (b), with the exception of No. 6, which is included 

 here with some doubt, are all abundant and generally distributed. 



Group II. 



The species belonging to this group are roughly divisible into (a) those which 

 are' more characteristic of the marshy coves along the shores of the inner bays 

 and lakes, or at the outlets of sluggish creeks (Plates VII-VIII, Figs. 31, 32) 

 and (b) those which are partial to the edges of sphagnum bogs bordering small 

 lakes and ponds (Plates VIII-IX, Figs. 33, 34). 



(a) 



1. Lestes unguiculatus (rare). 



2. " uncatus. 



3. " disjunctus. 



4. " vigilax. 



5. Nehalennia irene. 



6. Enallagma hageni. 



7. " calverti. 



8. " ebrium? (one specimen). 

 9 " exsulans. 



10. " signatum. 



11. " pollutum. 



12. Ischnura verticalis. 



13. Gomphus spicatus. 



14. Gomphus exilis. 



15. Aeshna eremita. 



16. " elepsydra. 



17. " canadensis. 



18. " verticalis. 



