SCIENCE, 



[Vol. XVI. No. 409 



CALENDAR OF SOCIETIES. 

 Biological Society, Washington. 

 Nov^ 30. -T. H. Bean, The Death of Sal- 

 mon after Spawning; Theobald Smith, On 

 Species among Bacteria; G. B. Sud worth, 

 Notes on Nomenclature; F. A. Lucas, The 

 Wing of Metopidius. 



Boston Society of Natural History. 

 Dec. 3. — J. Walter Fewkes, The Summer 

 Ceremonials of the Zuni Indians: a Stady of 

 Aboriginal Religion (illustrated by tbestere- 

 opticon). 



Wants, 



Any person seeking a position /or ivkick he is quali- 

 fied by his scientific attainments^ or any person seeking 

 some one to fill a position of this character ^ be it that 

 of a teacher of science^ chernist^ draughtsman, or ivhat 

 not, may have the ' Want'' inserted under this head 

 FREE OF COST, ifi he Satisfies the publisher of the sziit- 

 abte character of his application. A ny person seeking 

 in/orniation on any scientific question, the address of 

 any scientific -man^ or -who can in any "way use this col~ 

 ■umn for a purpose consonant 'with the nature of the 

 paper ^ is cordially invited to do so. 



WANTED.— An Exploring Expedition, backed by 

 S15,000, -will be sent into Alaska and the Brit- 

 ish Northwest Territory the coming year, to be gone 

 one or two seasons. A scientist or two will more 

 than likely be taken along. Applications from such 

 will be Kladly receiTed and carefully considered. 

 To assist in making these applications the comman 

 der would say that he coisiders a full practical 

 knowledge of mineralogy and geology necessary, anc 

 if the applicant can add the duties of botanist, eth 

 nologist, or any other of the sciences, and photog 

 raphy, sketching, medicine and surgery, or other 

 useful arts for exploring, it will add to the chances 

 of Deing selected. Applicants must be physically 

 perfect, and ought to be about medium age. One of 

 these scientists will be the second in command of 

 the partv. Any credentials forwarded for consider- 

 ation will be returned, if requested, after considera- 

 tion. Address "ALASKA,''' care of Science. 



WANTED.— There being a considerable annual 

 income for the purchase of books for the Mu- 

 seum Reference Library of Iowa College, it is de- 

 sirable to have at hand any and all circulars, speci- 

 men sheets, catalogues, etc.. of all works on Natui-al 

 History in general, both foreign and domestic. 

 Circulars of museum supplies, apparatus, etc., etc., 

 desired also. State terms. Address ERWIN H. 

 BARBOtIR, Box 13;33, Grinnell, Iowa. 



WANTED. — A situation as Analytical Chemist Is 

 desired by the assistant of the late noted 

 scientist. Dr. Cook, during his 15 years survey of the 

 State of New Jersey Highest testimonials fur 

 nished. Address Prof. EDWIN H. BOGARDUS, 

 New Brunswick, P, O. Box 224, care Prof. F. C. 

 Van Dyck. 



COULD some one inform me what the ingredients 

 and origin of asphalt as used for street-paving 

 and gathered at Trinidad are? Also how gathered 

 and shipped by natives, and mode of refining by the 

 Warren-Scharf Co. of New York and the Barber Co. 

 of Washington? G. KNIPER, 28 Gunn Block, Grand 

 Bapids, Mich. 



WANTED.— A position in a Normal School or Col- 

 lege as teacher of Botany, Physiology, Zoolo- 

 gy, Embryology, Chemistry, Physics, or German, by 

 a universitj^ graduate who has done special work in 

 the above lines. Several years' experience in teach- 

 ing, and one year as assistant in Biology in a prom- 

 inent university. Box 396, Greencastle, Ind. 



PROFESSOR W. M. DAVIS, Harvard CoUege, 

 Cambridge, Mass., desires to correspond with 

 grofessional and amateur photographers, from whom 

 e can obtain views of New England landscapes. 



Exchanges. 



[Freeof charge to all, if of satisfactory character. 

 Address N. D. C. Hodges, 47 Lafayette Place, New 

 York.l 



I wish to exchange Eastern Lepidoptera for those that 

 I do not have, particularly those found in the South. 

 Jos. F. Crandall, Honesdale. Wayne Co., Pa. 



To exchange, iSgo Seeger and Guernsey Cyclopedia, 

 containini/ a complete list of the manufactures and pro- 

 ducts of the U. S., and address of first hands, cost $6. 

 David F. Lewis, Saybrook, 111. 



For exchange— Nice specimens of Unios alatus, trigo- 

 nus, parvus, occidens, anadontoides gibbosus. rectus,veru- 

 cosus. gracilis coccineus, ventricasus, multiphcatus and 

 plicatns cornutus. Margantana confrogosa, complanata, 

 rugosa. Anadonta edei.tula, decora, corpulenta, and 

 about 300 of the beautiful Ana suborbJculata. Wanted: 

 Unioslrom all parts of the world, and sea-shells. Ad- 

 dress Dr. W. S. Strode, Bemadotte, 111. 



JUST rUBLISUEn. 



HOUSEHOLD HYGIENE, 



By Mary Taylor Bissell, M.D., New York. 

 12°. 75 cents. 

 '*This little volume has been compiled wilh the 

 hope that the housekeeper of to-day may find in 

 its pages a few definite and simple suggestions 

 regarding sanitary house-building and house- 

 keeping which will aid her to maintain in her 

 own domain that high degree of intelligent 

 hygiene in whose enforcement lies the physical 

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TIME RELATIONS OF MEN- 

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By Joseph Jastrow, Professor of Psychol- 

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N. D. C. HODGES, 47 Lafayette Place, 



NEW YORK. 



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