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THE POPULAR SCIENCE MONTHLY. 



A monograph on The Humming-Birds, 

 forming part of the Report of the National 

 Museum, for 1890, has been prepared by Rob- 

 ert Icidgway. It comprises a general zoologi- 

 cal account of this group of birds, followed 

 by descriptions of the several species found 

 in the United States. The text is illustrated 

 by forty-six plates and about fifty cuts. 



An ingenious system of writing, signal- 

 ing, and cryptography, to which he has given 

 the name Cosmography, is described in a 

 small pamphlet by Charles G. Burke (124 

 Nassau Street, New York). On a scale of 

 three horizontal lines, using a dot, two slant- 

 ing and one vertical marks, any language hav- 

 ing not more than twenty-eight letters may 

 be written in cosmography. The dot and 

 three marks, if placed below the first line of 

 the scale, stand for a, d, e, and b respective- 

 ly ; if on the first line, they stand for e, h, g, 

 and f, and so on. In telegraphing, one, two, 

 three, and four dots may take the place of 

 the characters, and one, two, and three dashes 

 may indicate the lines. An instrument con- 

 sisting of a lettered dial with arms, called 

 the " cosmograph," embodies the system in 

 a mechanical form. 



The First Book of Electricity and Mag- 

 netism (Macmillan & Co.) is designed to pre- 

 cede the usual elementary text-books in this 

 study. The author, W. Pert-en Haycock, has 

 felt the need as a teacher of interesting be- 

 ginners, who are often discouraged by tech- 

 nical language. The subject of the magnet 

 is entered upon at once ; the explanations are 

 clear, simple, and fully illustrated. Other 

 divisions of the work besides magnetism 

 are : electricity in motion, and electricity at 

 rest. An index, list of apparatus, and blank 

 pages for notes are furnished, as well as 

 questions for teachers. 



PUBLICATIONS RECEIVED. 



Atkinson, Edward. Taxation and Work. G. 

 P. Putnam's Sons. Pp. 296. $1.25. 



Brannan, J. W., M. D., and Cheeseman, T. M., 

 M. D. A Study of Typhus Fever. New York. 

 Pp. 15. 



Brooklyn Ethical Association. Man and the 

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 D. Appleton & Co. Pp. 558. $2. 



Brooklyn Institute of Arts and Sciences. Pro- 

 spectus for 1892-'93. Pp. 40. 



Bryant, William M. A Syllabus of Psychology. 

 Chicago : S. C. Griggs & Co. Pp. 60. 25 cents. 



Bubier, E. T., 2d, Editor. Questions and An- 

 swers about Electricity. Lynn, Mass. : Bubier 

 Publishing Company. Pp. 100. 50 cents. New 

 York : D. Van Nostrand & Co. 



Chadwick, Rev. John W. Education as re- 

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 10 cents. 



The College Fraternity. E. H. L. Randolph, 

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Daudet, Alpbonse. L'Evangeliste. Translated 

 by Mary Neal Sherwood. New York and Chi- 

 cago : F. T. Neely. Pp. 304. 50 cents. 



Day, David T. Mineral Resources of the 

 United States. U. S. Geological Survey. Pp. 

 671. 



De Varigny, Henry. Experimental Evolution. 

 Macmillan & Co. Pp. 270. $1.50. 



Dobbin, Leonard, and Walker, James. Chem- 

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 240. 70 cents. 



Drake, Jeanie. In Old St. Stephen's. D. Ap- 

 pleton & Co. Pp. 232. 50 cents. 



Dumble, E. T.. State Geologist. Third An- 

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 Austin. Pp. 410, with Maps. 



Emerson, James, Willimantic, Mass. Treatise 

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 chinery. Pp. 480. $1. 



Fallon, W. H., and Hobbs, E. C. Report of 

 the North Dakota Weather Service for July, 1892. 

 Bismarck. Pp. 16. 



Fay, Joseph Story. The Track of the Norse- 

 man. Pp. 7. 



Fouillee, Alfred. Education from a National 

 Standpoint. D. Appleton & Co. Pp. 332. $1.50. 



Harrington, Mark. Report of the Chief of the 

 Weather Bureau for 1891. Washington. Pp.100. 



Hay, O. P. On the Ejection of Blood from the 

 Eyes of Horned Toads. Pp. 10. — On the Breed- 

 ing Habits, etc., of Certain Snakes. Pp. 13. 



Hilgard, E. W. A Report on the Relations of 

 Soil to Climate. Washington : Weather Bureau. 

 Pp. 59. 



Hinton, John. Rest and Pain. Macmillan & 

 Co. Pp. 514. $2. 



Horr, Hon. Roswell G. The Republican Party. 

 D. Appleton & Co. Pp. 16. 10 cents. 



Howard, L. O. Insects of the Sub-family En- 

 cyrtina? with Branched Antennae. U. S. National 

 Museum. Pp. 9, with Plates. 



Humphry, J. E. Amherst Trees : An Aid to 

 their Study. Amherst, Mass. : Carpenter & More- 

 house. Pp. 78. — Fungous Diseases and their 

 Remedies. Boston : Rockwell & Churchill. Pp. 

 16. 



Ingersoll, Andrew J. Christology. Pp. 16. 



James, Joseph P., Cincinnati. Paleontology 

 of the Cincinnati Group. Part III. Pp. 16. 



Jordan, David Starr. Evolution. Syllabus of 

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Keen, W. W., M. D. Resection of the Liver. 

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Kimball, Rev. John C. Moral Questions in 

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Lawrence, Judge William. The American 

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Le Conte. Joseph. The Race Problem in the 

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Lodge, Oliver J. Lightning Conductors and 

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McDonald, Marshall, U. S. Fish Commis- 

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 Region and Gulf States. Washington. Pp. 88, 

 with Plates. 



Maclean, John. The Destiny of the Human 

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Mahan, Captain E. T. Admiral Farragut. D. 

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