﻿jRa/ani)ii{s. The recent publication of Dr. John Hamilton on 

 the food habits of the g'enus leave little for me to add, but a few 

 lines on mv experience may be of interest. 



B. uniformis Lee. and B. quercus Horn were taken in company 

 in nearly equal numbers, and almost invariably in coitu upon acorns 

 during September. From finding them on only two trees in sepa- 

 rate groves of oaks I was led to believe that they favored particular 

 varieties or species, if not individual trees. On almo.st every acorn 

 on these two trees a pair, and sometimes two pairs were found, 

 while the surrounding oaks yielded not a single specimen. 



B. rectus Say I have bred from chestnuts. A few infested nuts 

 were placed in a small, wide-mouthed bottle nearly filled with coarse 

 sandy soil. A few days afterward three larvae deserted their old 

 homes and at once penetrated to the bottom of the breeding-bottle, 

 where they formed little round cells in the earth. Here through 

 the glass their bodies were plainly visible, where they remained 

 without change till the following fall. They thus passed nearly a 

 year as inactive lar\'2e. The pupa were not seen at all, and this stage 

 must necessarily be of brief duration. The beetles, in good healthy 

 condition, were taken from their earthen cells September 28th and 

 kept without food till October 20th. As many as six half-grown 

 lar\'ce were taken from a single chestnut, though one specimen is 

 the usual number. The larvae of all three species may be found in 

 the nuts as late as November, at \\hich time they enter the ground 

 to undergo their transformations. 



DryophtJwrus corticalis dcA'elops under the bark of Pimis rigida 

 March and April. 



Himaihim conicum Lee. One specimen was taken by me at 

 South Woodstock, Conn., October 22d, under bark oi Pimis strobus 

 infested by Tomiciis pini. Mr. E. A. Schwarz(Pr. Ent. Soc. Wash, 

 vol. i, p. 233) has found this species breeding under tulip bark 

 {Liriodendroti) , and our other species, errans, which he remarks, is 

 with difficulty to be distinguished from it, occurs under pine bark. 

 Is it possible that the two species are distinct ? 



Rhyncholus brunneiis Mann, is possessed of similar habits to 

 Phlceophagtis and Stcnoscelis, of which mention has been made in a 

 previous number (p. 99). I ha\'e found it only once, but at that 

 time some twenty-five or thirty specimens were taken from a small 

 piece of cherry wood {^Prumis serotind). April. 



The species of Cossonus are subcortical. C. concinniis Boh. 

 and corticola Say infest pines, often occurring in abundance. July. 



