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NOTICES OF AUTHORS. 



of the leaves ; the check occasioned by the upper 

 vegetation being too forward for the lower, was not 

 so great. In some cases a slight degree of wither- 

 ing also appeared to have a good effect in deterring 

 the development of the buds till the earth acquired 

 a warmth sufficient for the root striking. 



We succeeded to om* wish with those we transplant- 

 ed by sledging, excepting a few which were placed 

 among young trees obtained from a sale nm'sery. 

 These young plants brought along with them a 

 number of the eggs of the common green caterpillar. 

 These eggs produced larvae upon the young trees the 

 following spring ; and these larvae going down into the 

 earth, produced a small grey silvery moth in July, 

 The moths, from the tallest plants being most op- 

 posed to them in their flight, or from being guided 

 by common parasitical instinct to choose the largest 

 subjects, deposited their eggs upon the removed old 

 trees in preference to those on which they had been 

 brought from the nursery, — a preference which did 

 not seem to arise from any sickliness of the old, as 

 they were fully as vigorous the first summer after 

 transplanting as the young. These imported ver- 

 min prospering under the propitious dry warm sum- 

 mer of 1826, rendered several of the old trees as 

 bare of foliage the second and third June after re- 



