SCIENCE. 



CALENDAR OF SOCIETIES. 



Biological Society, Washington. 



May 17. — Erwin F. Smith, A New Species 

 of the Genus Aphis; T. S. Palmer, Some 

 Early Views of the Geographical Distribu- 

 tion of Specie?; Frederick W. True, Exhibi- 

 tion of a Specimen of Lopbiomys inhautii, 

 a Rare and Remarkable Rodent from Africa; 

 W. H. Seaman. Tlie Place of Biology in 

 Public School Instruction. 



Natural Science Association of Staten 

 Island. 



May 8.— Charles W. Leng, Staten Island 

 Kre-flies. 



Boston Society of Natural History. 

 May 21. — Warren Upham, Geographic 

 Limits of Species of Plants in the Basin of 

 the Red River of the North; VV. O. Crosby, 

 Composition of the Till or Bowlder Clay; 

 S. H. Scudder, The Variety of Myriapodal 

 Life in the Carboniferous Period. 



CATAHBH 



Catarrhal Deafness— Hay Fever. 



A NEW HOME TREATMENT. 



Sufferers are not general'y aware that these 

 diseases are contagious, or that ihey are due to 

 the presence of living parasites in the lining 

 membrane of the no-e and eustachian lubes. 

 Microscopic research, however, has proved this 

 to be a fact, and the result of this discovery is 

 that a simple remedy has been formulated where- 

 by catarrh, catarrhal deafness and hay fever are 

 permanently cured in from one to three simple 

 applications made at home by the patient once 

 in two weeks. 



N B. — This treatment is not a snuff or an 

 ointment ; both have been discarded by repu- 

 table physicians as injurious. A pamphlet ex- 

 plaining this new treatment is sent free on 

 receipt of stamp to pay postage, by A. H. Dix- 

 on cSc Son. 337 and 339 West King Street. 

 Toronto, Canada. — Christian Advocate. 



Sufferers from Catarrhal troubles should care- 

 fully read the above. 



CHEMICAL BOOKS FOR SALE. 



Bekichte der Deutschen Chemischen Gesell- 



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Analyst, London 0887-89, July and November 



of 1888 missing) 1.80 



Sugar Cane, Manchester (1881-83, 1885-86, also 



numbers of 1884. 1887, and 1888) 2.40 



Zeitschrift Rubenzuckerindustrie Stammer 



(1885-86, part of 18871 1.20 



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GEMS AND PRECIOUS STONES OF 



NORTH AMERICA: 



A popular description of their occurrence, value, 

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[Vol. XV. No. 381 

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THIRD EDITION. 



THE FAULTS OF SPEECH 



BY 



A. MELVILLE BELL, 



Author of " Visible Speech," etc., etc. 



The Faults of Speech is a Self -Corrector 

 and Teacher's Manual, for the removal of all 

 Impediments and Defects of Articulation. 

 eo Cen-bs- 



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NEW YORK. 



WANTED.- At the BRYANT SUMMER SCHOOL, 

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 papers please copy. E. HINDS. A.M., Principal. 



A, 



GRADUATE of Princeton, for several years 

 iniversity student and Fellow in Biology, de- 

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 latter and be satisfied with a moderate salary if the 

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 '' ' " " " BOX 86, Princeton, N. J. 



research. Address, 



'pHE ADVERTISEB-A Third Year Student in 

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Address M. H. CRUMP," 

 Frankfort, Ky. 



the produc- 

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 re Ky. Theological Sem'y, 



A bSAYER.— Wanted position as above, has had 

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DO YOU INTEND TO BUILD? 



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THE LITERARY WORLD. 



A fortnightly journal of Literary Criticism, News, 

 and Discussion. The Literary World, now in its 21st 

 volume, is the oldest as it is confessedly the fore- 

 most journal of the purely literary criticism in the 

 United States. It stands without a rival, and chal- 

 lenges comparison with any other publication in the 

 country, occupying to any extent the same field. 

 Avoiding mere smartness and sensationalism, its 

 aim is to be truthful, just, kind, impartial, apprecia- 

 tive, and helpful to what is best in Literature; to 

 instruct, entertain and guide; and to form the taste 

 of the people in Literature for what is good, true 

 and beautiful. Published by E. H, HAMES & CO., 

 1 Somerset St., Boston, Mass. 



AN EXPERIENCED Technical Chemist will be 

 open to engagement this summer. Highest ref- 

 erences. Address DIRECTOR, Office of Science. 



PROP. WILTJAM FINDLAY, of the Philadelphia 

 Institute of Physical Culture, is open to engage- 

 ment in summer school to teach Free Movements, 

 Wands, Clubs, Dumb-bells. Fencing and Sparring 

 Address 1,009 Arch St., Phila., Pa. »- 6- 



[Fre 

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Mete 



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iied. 



-Mr. George F. Kunz, 11 to 15 Unirn 

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 :hange for whole or parts of meteorites. Whole 

 undescribed ones, and entire falls especially de- 



Wanted— To furnish 

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 Southern Wisconsin, in quantities, 

 rator of Museum, Albion Academy 



A large number of plants fron 

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 ern exchanges preferred. Address 

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For Exchange — Fourteen volume^ 

 annica (Stoddard's ninth edition), bo 

 in original wrappers, all as new— ca 

 vclumes required to complete set, 

 " Am-rican Naturalist " in numbers 



Meadia. 

 native of 

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 Maine, Connecticut, 

 Southern and west- 

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cutting foot la 



For particular 



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I have a nu 



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addn 



A. B. Ca 



III. 

 Encyclopedia Brit- 

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 npbell, McKean Co., 



nber of duplicates of microscopic slides, 

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 ige and get my list. S. R. Thompson, 



; THE CHEIIREST AND BEST ; 



^^^7 PARK PLACE .NEW YORK 



mostly botani 



have to exch; 

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Corresp ndence and ( 

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xchanges solicited with persons 



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