ENTOMOLOGY. 415 



author's abstract of a paper detailiug experiments to ascertain the 

 actual and comparative value of these insecticides. Both proved 

 advantageous, but Dendrolene is rather preferred. The paper is fol- 

 lowed by a discussion of these and other insecticides. 



Herbivorous habits of certain Dermcstida', F. U. Chittenden (pp. 36, 

 37). — An author's abstract, followed by a discussion of methods of treat- 

 ing various household ])ests. 



Some shade-tree insects of Spriiirj field and other New England cities, 

 L. 0. Howard (pp. 40-47). — The paper treats chietly of the ravages of 

 the elm leaf beetle and woolly maple leaf louse, and urges prompt 

 municipal action on scientific lines as soon as their presence is noted. 

 The use of tire engines for spraying is suggested. 



The elm leaf beetle in Washington, C. L. Marlatt (i)p. 47-50). — An 

 account of successful treatment, particularly of the trees in the grounds 

 of the Department of Agriculture, by means of several sprayings with 

 arsenate of lead and Paris green, followed by an application of kero- 

 sene emulsion to the bases of the trees to kill the pupje. 



The elm leaf beetle in Albany, J. A. Lintner (pp. oO-SO). — The ravag'ea 

 of this species in Albany in 1895 are detailed, the English elm suffer- 

 ing most. Spraying was found impracticable, and instead is recom. 

 mended treating the pupte at the bases of the trees with hot water o» 

 kerosene. In the discussion which followed, spraying with arseuatf 

 of lead was strongly advocated. 



Notes on the gypsy moth in Massachusetts, C. H, Fernald (pp. 59-07). — 

 A general history of the spread, ravages, and methods of treatment ot 

 this pest, with a brief account of the investigations of its life history. 

 In the ensuing discussion the insecticides employed and the importance 

 of constant vigilance were touched upon. 



The striped cottouwood beetle, J. A. Lintner (pp. 09-74). — An account 

 of Melasoma scripta attacking osier willows in the western part of New 

 York, where both as larva and adult it has caused great damage 

 by eating the leaves and bark. Spraying with the arsenites, supple- 

 mented by collecting the beetles by means of a "bug catcher," 

 resembling a " hopperdozer " in form, has proved of most efficacy. 



On the study of forest-tree insects, A. T). Hopki}is (pp. 75-78). — This 

 discusses the character and extent of damage to forests by insects, 

 with some estimated figures, the loss in West Virginia for the last 10 

 years being set down as $25,000,000 annually, chietly due to Scolytids. 

 The need of further work among forest insects is urged. 



The importation and repression of destructive insects, F. M. Webster 

 (pp. 79-83). — Urges earnest cooperation in dealing with now pests, and 

 preventing their spread by firm (juarantines. In the discussion great 

 caution was insisted upon in pronouncing a nursery free from dangerous 

 insects. 



Insects of the year in Ohio, F. M. Webster (pp. 84-91). — The Hessian 

 fly, cutwormsj chinch bug, and plum scale were the most injurious, 



