THE CANADIAN ENTOMOLOGIST. 11 



Athasanus sti'iola Fall. Occurred abundantly near South Falls, on a low 

 meadow overgrown with swamp grasses ; here they were of large size, 

 measuring in some cases 6 mm. to tip of the elytra ; elsewhere, 

 scattering and of normal size. 



Allygus irroraius Say. Taken in moderate numbers. Both the normal 

 form and the large variety, with the vertex produced and flattened, 

 occurred together here as elsewhere ; the variety predominating in 

 moist situations. 



Jasstis immistus Say. Common among low bushes and briars. This 

 pretty insect seems to be congeneric with a form occuring near 

 Buffalo, of which I have seen specimens in the National Museum 

 labelled Scophoideus jucujidtts Uhl. A third and undescribed species 

 occurred to me at Muskoka. 



Flatymetopms acutus Say. Moderately abundant. 

 Deltocephalus debilis Uhl. Rare. Occurs also at Buffalo. 

 Deltocephalus coiifigiiratus Uhl. Abundant here as elsewhere. 

 Deltocephalus sayi. Fitch. Scarce. 

 Deltocephalus inimicus Say. Very common on cultivated lands. 



Typhlocybidce. 



Several species of these minute insects occurred ; but as the North 

 American species have been but little studied they are omitted from the 

 present list. 



Psyllidce. 

 Psylla carpini Fitch. Abundant on the blue beech. 



AphididcB. 



Want of time precluded any attempt at collecting the Aphididce and 

 Coccidce. 



In addition to the 141 species here enumerated a number of doubtful 

 forms were taken, belonging mostly to the Homoptera ; giving a total of 

 something over 15c species as the fruits of ten days collecting. 



