A WEEKLY NEWSPAPER OF ALL THE ARTS ^ffl^ SCIENCES. 



PUBLISHED BY N. D. C. HODGES, 874 BROADWAY, NEW YORK. ' "'"' f»»On»., 



Tenth Year. 

 Vol. XX. No. 501. 



SEPTEMBER 9, 1892. 



Single Copies, Ten Cents. 

 3.50 Per Year, in Advance. 



Contents. 



The Impurity op Ice. Charles Piatt 141 



Elementary Science in the Public Schools. 



Henry Montgomery 142 



Notes AND News 145 



The American Association at Rochester. 



Z). S. Martin 14G 



American Botanists and Nomenclature. John 



M. Coulter 346 



Current Notes on Anthropology. — XIV. 



Daniel G. Brinton, Editor 147 



Letters to the Editor. 



A Pre-Aino Race in Japan. Edward S. 



Morse 148 



Oa the Fundaaoental Hypotheses of Abstract 



Dynamics. Edward T. Dixon 14^ 



J. G. MacGregor 1.50 



The Nomenclature Question. G.H. French. 151 



The Grand-Gulf Formation. Laurence C. 



Johnson 151 



European Origin of the Aryans. Isaac 



Taylor 151 



Acid Prevention of Cholera. S.V.Clevenger. 151 



Mars. C. W. Kempton 153 



La Grippe. M. L. Holbrook 152 



Book Reviews. 



Journal of American Ethnology and Archte- 



ology 152 



Entered at the Post-Offlce of New York, N.Y., as 

 Second-Class Mail Matter. 



INSECTS AND INSECTICIDES. 



A PRACTICAL MANUAL, 



Concerning Noxious Insects and the Methods 

 of Preventing their Injuries. 



By CLARENCE M. WEED, 



Professor of Entomology and Zoology, Nevp 

 Hampshire State College. 



WHAT IS SAID ABOUT IT. 



" I think that you have gotten together a very 

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 Editor Ain€rica7i Agriculturist, New York. 



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 which every farmer and fruit grower ought to have 

 at his immediate command."— Prof. S. A. Forbes. 

 State Entomologist of Illinois, Champaign, 111. 



" A good book, and it is needed."— Prof. L. H. 

 Bailey, Cornell University. 



" It is one of the best books of the kind I have 

 ever seen."— J. Freemont Hickman, Agriculturist, 

 Ohio Experiment Station, Columbus, Ohio. 



"1 shall gladly recommend it."— Prof. A. J. Cook, 

 Michigan Agricultural College. * 



Price, $1.25. 



Sent postpaid to any address on receipt of price. 



N. D. C. HODGES, 874 Broadway, New York. 



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THE LABRADOR COAST, 



A JOURNAL OF TWO SUMMER CRUISES 

 TO THAT REGION. 

 WITH NOTES ON ITS EARLY DISCOV- 

 ERY, ON THE ESKIMO, ON ITS PHY- 

 SICAL GEOGRAPHY, GEOLOGY AND 

 NATURAL HISTORY, TOGETHER WITH 

 A BIBLIOGRAPHY OF WORKS, ARTI- 

 CLES, AND CHARTS RELATING TO 

 THE CIVIL AND NATURAL HISTORY 

 OP THE LABRADOR PENINSULA. 



By ALPHEUS SPRING PACKARD, ffl.D.,Ph.D. 



Sportsmen and ornithologists will be interested in 

 the list of Labrador birds by Mr. L. W. Turner, 

 which has been kindly revised and brought down to 

 date by Dr. J. A, Allen. Dr. S H. Scudder has con- 

 tributed the list of butterflies, and Prof. John 

 Macoun, of Ottawa, Canada, has prepared the list of 

 Labrador plants. 



Much pains has been taken to render the bibliog- 

 raphy complete, and the author is indebted to Dr. 

 Franz Boas and others for several titles and impor- 

 tant suggestions ; and it is hoped that this feature of 

 the book will recommend it to collectors of Ameri- 

 cana. 



It is hoped that the volume will serve as a guide 

 to the Labrador coast for the use of travellers, 

 yachtsmen, sportsmen, artists, and naturalists, as 

 well as those interested in geographical and histori- 

 cal studies. 



518 pp., 8°, $3.50. 



, N. D. C. HODGES, 



874 BROADWAY, NEW YORK. 



SCIENCE 



The Illustrated Popular Science Weekly. 

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See last page of this number. 



Send 50 cents (in postage stamps, if most con- 

 venient) for 2 months' trial subscription. 



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874 Broadway, - - - NEW YORK. 



