72 



Our rose-bug prefers the petals of the rose, but is also found 

 abundantly on the blossoms of Chrysanthemum leucanthemion, 

 on the leaves of the Avild and cultivated grape vine, and on the 

 tender leaves of many fruit and forest trees ; it may, therefore, 

 be truly called polyphagous. To me it appears that you will 

 be perfectly safe in making distinct species of these insects, and 

 iinless you do so, Dejean will- probably anticipate you. 



I have found a few specimens of Chreinastoclieilus Hentzu, 

 and one of C. Sayi, in this vicinity, in the middle of a hot day, 

 in a dry road exposed to the sun. Their flight is short, irreg- 

 ular, and something like that of a dipterous insect. There are 

 but few chestnut trees here, and I have searched them in vain 

 for these insects. 



Mr. Oakes found a large number of Medona cornuta in tree 

 Boleti, at the base of the White Mountains. 



HENTZ TO HARRIS. 



Chapel Hill, July 8, 1829. 



Your 765 seems to be the same as my 78 though much 

 smaller. Here is the extract of my journal on that subject. 

 " 78. This is probably Bytlscus verticalis ; but Say's description 

 is not correct. After a geminate impressed punctured spot near 

 the nasiis, he probably intended to have written on each side. 

 He has overlooked the acute line above the vertex and the im- 

 pressed spot on the anterior termination of the dorsal line of the 

 thorax (wanting in yours). The three series of punctures are 

 not very distinct, excepting the one nearest to the suture. I do 

 not know where D. marginatus is described which he mentions 

 at the end of the description." 



We have the hete rouge here too, from which I suffer enor- 

 mously now ; but I alluded to a true tick, which has a silvery 

 spot on the back, and is seen only in the early part of the 



