15S THE CANADIAN ENTOMOLOGIST. 



America, north of Mexico. Provancher's Platymetopius acntus is the 

 species here identified as latus, while his magdalensis is the aaitus of Say. 

 Platynietopius or7iatiis^ Baker, has been placed in genus Dicypho7iia by 

 Dr. Ball. 



Deltocephalus Sayi, Fitch. — Apparently common. 



Deltocephalus abdominalis, Fabr. — Five examples were taken at 

 Temiskamingue, Quinze Lake and Barrier River. This species may be 

 roughly distinguished from the green examples of debilis by their having 

 the base of the front abruptly black. 



Deltocephahis ajjfinis, Baker. — Temiskamingue and Barrier Lake. In 

 compliance with the now generally accepted synonomy of this species, I 

 have applied this name to the species formerly determined by me as 

 Mehcheimeri^ Fh. 



Deltocephalus Melscheimeri, Fitch. — Nigger Point, Quinze Lake. One 

 example. This is a smaller and more slender species than the preceding, 

 and much less abundant. 



Deltocephalus inimicus, Say. — Common at all places where Mr. 

 Palmer collected. 



AtJiysanus instabilis, Van D. — Temiskamingue and Quinze Lake. 

 Three examples. These specimens are typical ijistabilis, which Osborn 

 and Ball identify with the European striatulus, Fall., in which they are 

 very likely correct, but as my material does not agree with any descriptions 

 of that species accessible to me, I prefer for the present to place it under 

 a name of which I am certain, leaving it to future study to settle the 

 synonomy. 



Athysa?ius, sp. — Two examples, representing both sexes, were 

 taken with the preceding. This is a smaller and more slender species, 

 which may be best distinguished by the pale gray elytra with the areoles 

 but obscurely bordered with darker, by the conspicuously white or pale 

 yellow margins to the black abdomen, by its having the pygofers of the 

 female whitish, with their base and the oviduct black, and by the mostly 

 pale legs. This is the species listed as striatulus in my list of the 

 Hemiptera taken by Mr. Palmer at Lake Temagami. 



Phlepsius apertus, Van D. — Three examples from about Quinze 

 Lake. An interesting species that finds its home in the far north. 



FJilepsius fulvidorsum, Fitch. — Two specimens taken with the last. 



Scaphoideics iministus, Say. — Taken at White Rapids and about 

 Quinze Lake. 



