^ 



Eleventh Year. " 

 Vol. XXII. No. 551. 



AUGUST 25, 1893. 



Single Copies, Ten Cents. 

 I3. 50 Per Year, in Advance. 



Contents, 



An Exhibit of Religions. Merwin-Marie Snell... 



Notes and News 



A Geologfical Sketch, with Notes on the Geology 

 of the Manitou Islands o£ Lake Nipissing, 



Ontario. J. M. Goodwillie 



The American Association for the Advance- 

 ment of Science 



The Cornell Mixtiire. M. V. Slingerland 



Chemistry in Cane Sugar Manufacture. J. T. 



Crawley 



Notes on Marine and Fresh Water Larvae of 



Midges. G eo. S wainson 



Letters to the Editor. 



A Space-Relation of Numbers. Lynds 



Jones 



English Orthography. Frederick Krafft 



An Important Omission at the World's Fair. 



Lucia True Ames 



The Uses of the Litter by Sparrows. E. 



Stanley Sprague 



Space-Relation of Numbers. Arthur E. 



Bostwick 



Round Worms in the Brains of Birds. A. S. 



Packard 



Sharks in Fresh Water. C. H. Ames 



THE WINNIPEG COUNTRY; 



ROUGHING IT WITH AN ECLIPSE PARTY. 



A. ROCHESTER FELLOW. 



(S. H. SCUDDER.) 



With thirty-two Illustrations and a Map. 

 13°. $1.50. 



"This is a spriglitly narrative of personal inci 

 dent. The booli will he a pleasant reminder to 

 many of rough experiences on a frontier which is 

 rapidly receding."— Sosiom Transcript. 



" The picture of our desolate North-western terri- 

 tory twenty-five years ago, in contrast with its 

 civilized aspect to-day, and the pleasant features of 

 the writer's style, constitute the claims of his little 

 book to present attention." — The Dial. 



K. D. C. 



,N.Y. 



USl^FUIi UA]Vll-lfOUJ£S. 



The Ornamental Penman's Pocketbook of Alpha- 

 bets, for sign-writers, engravers, stone-cutters and 

 draftsmen, 20 cts, A System of Easy Lettering, by 

 Howard Cromwell, 50 cts. Practical Electrics : A 

 Universal Handybook on Every-day Electrical Mat- 

 ters, 135 pp., fully illustrated, 12mo, cloth, 75 cts. 

 Notes on Design of Small Dynamo, by G. Hallidav, 

 79 pp., with a number of plates to scale, ISmo, cloth, 

 $1. The Phonograph and How to Construct It, by 

 W. Gillett, 37 pp., 12 folding plates, 12mo, cloth, $2 

 SPON & CHAMBERLAIN, Publishers, 13 Cortlandt 

 St., New York. Illustrated and descriptive cata- 

 logues, 10 cts. 



NIINERALS. 



New Store. 

 New Stock. 

 New Departments. 



Send for our " Winter Bulletin," recently issued. 

 Minerals, Gems, Microscopical Sections, Fine Lap- 

 idary Work. 



GEO. L. ENGLISH & CO., Mineralogists, 



Removed to 64 East 12th Street, New York 



PCDMAMIA -^ monthly magazine for the study 

 ULnlnnliln of the German language and litera- 

 ture, is highly recommended by college professors 

 and the press as ''the best effort yet made to assist 

 the student of German, and to interest him in hia 

 pursuit." Its Beginners' Corner furnishes every 

 year a complete and interesting course in German 

 grammar. $2 a year. Single copies 20 cents. P. O. 

 Box 151, Manchester, N. H. 



Third Edition of Sir John Lubbock's New Book. 



The Beauties of Nature, 



AND THE WONDERS OF THE WORLD WE LIVE IN. By Right Hon. Sir John Lubbock, M. P., F, R. S. 



With numerous Illustrations and full-page Plates. Uniform with "The Pleasures of Life." 



Third Edition. i2mo, cloth, $1.50. 



Now Ready, Vol. II., in Two Parts. $6.25. 

 THE THEORY AND PRACTICE OF 



Absolute Measurements in Electricity and Magnetism. 



By Andkew Gray, M. A. In two Volumes, Vol. II. (in two parts), $6.25. Already Published, Vol. I., $3.25. 



Electrical Papers. 



By Oliver Heaviside. Two vols., 8vo, §10.00. 



The Visible Universe. 



Chapters on the Origin and Construction of the Heavens. By J. Ellard Gore. With Stellar Photographs and other 



Illustrations. i2mo, $3.75. 



Electric Lighting and Power Distribution. 



An Elementary Manual for Students preparing for the ordinary grade examination of the City and Guilds London Institute. 



By W. Perrin Maycock. Part I. With original questions, and ruled pages for notes. 



123 Illustrations and Diagrams. i2mo, paper, 75 cents. 



Practical Electric-Light Fitting. 



A treatise on the Wiring and Fitting-up of Buildings deriving currents from Central Station Mains, and the Laying-down 



of Private Installations, including the latest edition of the Phcenix Fire Office Rules. By F. C. Allsop. 



With 224 Illustrations. i2mo, $1.50. 



Coal Pits and Pitmen. 



A Short History of the Coal Trade and the Legislation 



affecting it. By R. Boyd Nelson. 



i2mo. Si. 00. 



Pioneers of Science. 



By Oliver Lodge, F. R. S., Professor of Physics in Victoria 



University College, Liverpool. With Portraits and 



illustrations. i2mo, cloth, $2.50. 



MACMILLAN & CO., 112 Fourth Avenue, New York. 



