— 154 — 



cvLSses ^iic/ien'e in the cabbage-worm, Pieris raptc, describing tlie disease 

 minutely, its characteristic bacteria, the evidence of its contagious nature 

 and of the ability of conveying it by an artificial culture of the Micro- 

 coccus. In the same pains-taking manner, jaundice, found associated 

 \\\\k\ flacherie in the silk-worm, by Prof BurriU, is also discussed. Fla- 

 therie in Dahma angusii is described, with its characteristic bacteria, their 

 artificial cultures, and contagious naiure. The paper concludes with a 

 notice of the aid rendered by muscardine in arresting wide-spread deso- 

 lation in forests and orchards, in Southern Illinois, in 1883. caused by 

 a remarkable prevalence of the forest tent caterpillar, Clisiocampa 

 sylvalica. 



The Insects of Belula in North Anurua, by Anna Katherina Dini- 

 mock, cf Cambridge, Mass., contained in Psyche, iv, pp. 239 — 243, 

 271 — 286, is an admirable compilation, and may justly serve as a model 

 for similar lists. It is not a simple record of the 107 species, noticed as 

 feeding on Betiila^ but valuable notes are given upon each insect— of 

 development, habits, history, etc., the other plants upon which it is 

 known to feed, with references to authority and publication. Where tht- 

 bibliography is so extensive and of such importance as to justify it, an 

 entire page, of small type, is devoted to a single species. It is to be 

 • hoped that this is but the first of a series of similar publications by the 

 author. 



A published abstract of a paper read by Mr. Amos W. Butler, before 

 the American Association for the Advancement of Science at its last 

 meeting, on The Periodical Cicada in Southeasterii Indiana, gives the time 

 and duration of its visitation, the mode of oviposition, abundance of the 

 van cassini Fisher, in a distinct territory, the sounds produced, preva- 

 lence of a fungus attack, their destructions by mammals, birds and 

 fishes, and the comparatively slight damage resulting from the visitation. 

 The paper aflfords evidence of well-trained habits of observation in the 

 author.* 



Dr. Hagen has communicated an interesting observation made by 

 him of the destruction of living trees, of the red maple, Acer rubrtivi, 

 by white ants, in Cambridge, Mass. (Canad. Ent., xvii, p, 134). 



Mr. Frederick Clarkson has found, that under some circumstances 

 at least, the development of the oak-pruner. Elaphidion viUosum, is difter 

 ent form that ascribed to it by Drs. Harris and Fitch, in that the insect 

 may mature within its burrow as early as in the month of November 

 (Id., p. 188). 



* The paper has been published in full, duiing the present month, in Bull. No. 

 2 of the U. S. Dcpt. of Agriculture, — Division of Entomology, pp. 24 to 31. 



