NATUEAL HISTOET, TOEONTO EEGIOST 



Libellula quadrimaculata, Linn. Ponds, very com- 

 mon. 



Plathemis lydia, Dru. Ponds and ditches, abundant 

 Erythemis simplicicollis, Say. Ponds, common. 

 Pachydiplax longipennis, Burm. Abundant, espe- 

 cially at Grenadier Pond. 



Sympetrum costiferum, Hag. Don Valley and Is- 

 land lagoons, common, 

 vicinum, Hag. Ponds and marshes, 



common. 



" semicinctum, Say. Ponds, rare. 



" rubicundulum, Say. Abundant, 



obtrusum, Hag. Abundant, 

 corruptum, Hag. Humber Eiver, one 



specimen. 

 Leucorrhinia intacta, Hag. Very abundant, 



cially at Grenadier Pond. 

 Celithemis eponina, Dru. Grenadier Pond. 



" elisa, Hag. Grenadier Pond. 

 Tramea Carolina, Linn. High Park, one specimen. 

 " lacerata, Hag. Grenadier Pond. 



Order HEMIPTEEA. 



Suborder PARASITICA. 



Pediculidae (Lice). 



Phthirius inguinalis, Leach. 

 Pediculus capitis, De G. 

 " vestimenti, Leach. 

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