SCIENCE. 



[Vol. XVIIL No. 4^1 



Wants. 



Any person seeking- a position for 'which ke is qiiali- 

 fiedby his scientijic atiainmen*Sy or any person seeking 

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

 0/ a teacher of science^ chemist^ draughts7nan, or what 

 nets may have the ' Want'' inserted under this head 

 FREE OF COST, if he satisfies the puhiisher of the suit- 

 able character of his application. A ny person seeking 

 infonnaiion 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 

 faper^ is cordially invited to do so. 



WANTED.— A position in the philosophical or 

 pedagogical department of a college or uni- 

 Tersity by a youag man (30) who has had five years' 

 practical experience in teaching, and who has done 

 four years' pcst-graduate work in philosophy, devot- 

 ing his attention during the last two years espe- 

 cially to study and original investigation in scien- 

 tific psychology and its applications in education. 

 Address E. A., caie Science, 874 Broadway, N. Y. 

 City^ 



WANTED.-A suitable position in Washington, 

 D. C, not connected with the GoverDment, 

 and with a salary not to exceed £650 a year, by an 

 experienced biologist with six years' university 

 training. Applicant has been a skilful surgeon for 

 fourteen years; is a practical photographer, car- 

 tographer, and accustomed to the use of the type- 

 writer. He is also capable of making the most fin- 

 ished drawings, of any description, for all manner 

 of illustrative purposes in science; trained in mu- 

 seum methods and work; also field operations and 

 taxidermy in its various departments, and model 

 ing, production of casts, restorations of paleonto- 

 logical specimens and similar employments. Address 

 U. S. R., care Science, 47 Lafayette Place, N. Y. 



WANTED. -By a young man (27), B.A. and Ph.D., 

 with three years' experience as assistant in 

 chemistry, position a.^ instructor in chemistry or in 

 natural sciences in college or academy, or other ad- 

 vantageous position as chemist. Give particulars 

 as to work, salary, etc. F. "W. MAR, L. Box 2:3, West 

 Haven, Cona. 



A YOUNG HAN with an M.S. degree from Cornell 

 University desires a position as Professor or 

 Instructor in Physics or Electrical Engineering. 

 Address M. V. F., care Science, 47 Lafayette Place, 

 New Fork. 



WANTED— A position as Professor of Science by 

 a teacher of experience who has taken a post- 

 graduate course in biology. Address BOTANIST, 

 cire Science, 47 Lafayette Place, New York. 



Exchanges. 



[Freeof charge to all, if of satisfactory character. 



Address N. D. C. Hodges, 874 Broadway, New York.l 



For sale.— A 6^ x 8J4 Camera; a very iine instrument, 

 with lens, holders and tnpod, all new; it cost over $40; 

 price, $25. Edw. L Hayes, 6 Athens street, Cambridge, 

 Mass. 



To exchange Wright*s '* Ice Age in North America" 

 and Le Conte's "Elements of Geology" (Copyright 1882) 

 for "Darwinism," by A R.Wallace, "Origin of Species." 

 by Darwin. "Descent of Man," by Darwin, 'Man's 

 Place in Nature," Huxley, ^'Mental Evolution in Ani- 

 mak," by Romanes, '-Pre-Adamites,'* by Wi::chell. No 

 books wanted except latest editions, anH books in good 

 condition. C. S. Brown, Jr., Vandeibilt University, 

 Nashville, Tenn. 



For Sale or Exchange for books a complete private 

 chemical laboratory outfit. Includes large Becker bal- 

 ance (200g to i-iomg), platinum dishes and crucibles, 

 agate motors, glass-blowing apparatus, etc. For sale in 

 pa- 1 or whole. Also complete file of Sillimans Journal 

 1862-1885 (62-71 bound); Smithsonian Reports, 1854-1883; 

 U. S. Coast Survey. 18^4-1869. Full particulars to en- 

 quirers. F. GARDINER, JR., Pomfret, Conn. 



xchange t 



=ale 



scope ( 



elaborate i 



nd thn 



Bullock 



:th homeogeneoi'S ii 

 inch, Bausch & Lomb, also one-fouith and one inch 

 Spencer. Four eye-pieces. Objectives are the best made. 

 Address Mrs. Marion Smith, 41 Branch Street, Lowell, 

 Mass. 



For sale or exchange, extra hne pair ( <I and ? ) of bkins 

 of Rocky Mountain Lioat. with the skulk, etc., as needed 

 for mcunting; collection of vertebrate fossils from the 

 Coup Fork Tertiary of Kansas; collection of works on 

 descriptive cryptogamic botany— mostly on Fungi: thir- 

 teen vols, of Botanical Gazette^ eight vols. Qrevillea^ 

 four vols. Notarisea: stereopticon outfit, with attach- 

 ment for microsccpic projecticn ; 14S stereopticon slides, 

 illustrating zoology and cryptogams. Wanted — An 

 and foreigu works and pamphlets on Vertebrate P 

 tology, and series c^iAvt.Jour. of Science and olh. 



to Vertebr: 

 Prof. F. W. Cragin, Colorado Springs. Colo. 



PATENTS 



ForlNVENTOBS. 40-page BOOK FREE. Address 

 W. T.Fitzgerald, Attorney at Law, Washington, D.C. 



PROTEC TION FROM LIGH TNING. 



All the capital desired for the parent company 

 to handle my patents on a new method of protect- 

 ing buildings from lightning has been subscribed. 

 Sub-companies and agencies to introduce the 

 invention are forming, and any desirous of tak- 

 ing State-riQ:hts should address The American 

 Lightning Protection Co., Sioux City, Iowa. 



The English patent is lor sale, and offers 

 an excellent opportunity for the formation of a 

 company now that the American company is so 

 favorably started. 



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



There is nothing that may 

 not happen to a thin baby. 



There is nothing that may 

 not happen to a man who is 

 losing his healthy weight. 



We say they are " poor." 

 They are poorer than we at 

 first suspect. 



Do you want almost all 

 that is known of the value of 

 plumpness told in a way to 

 commend to you careful liv- 

 ing — and Scott's Emulsion of 

 cod-liver oil if you need it. 



A book on it free. 



Scott & Bowne, Chemisis, 132 South 5th Avenue, 

 New York. 



Your druggist keeps Scott's Emulsion of cod-liver 

 oil— all druggists everywhere do. Jx. 



26 



POSTAL DICTIONARY. 



A Manual of Postage Eates, and luformatioa 

 upon Every Postal Subject which concerns 

 Merchants, Professional Men, Occasional 

 Correspondents, and All who Use the Mailsv 

 Sixth edition, revised to date. 



Arranged in dictionary form, comprising about 150 

 titles Cwith complete index of over 400 references), 

 deaigned to furnish all facts bearing upon any par- 

 ticular topic, under its subject title. 



'•About as convenient a little book as we have seen 

 for some time. Costs only 15 centsi, but ought to 

 save at least that amount every other day, directly 

 or indirectly." — Chicago Standard. 



"Likely to be of great and constant service to all 

 who make much use of the mails. The ninety-four 

 pages contain a great amount of information, very 

 well arranged, knowledge of which should prevent 

 most of the delays and tosses in the mails."— JSos/o« 

 Literary World. 



'*Worth its weight in gold to the busy ' man of 

 affairs ' It will enable him to settle almost at a 

 glance the points of inquiry in postal matters that 

 are constantly arising. "—iV^eiy York Home Journal, 



"•II all who use the mails (and who does not?) will 

 turn to* the pages of this useful little guide, the labor 

 of the postal authorities will be greatly simplified, 

 fewer mistakes will be possible, and the public will 

 be better served. Its simplicity and low cost will 

 commend it to all and give it what it deserves, a 

 universal sale."— Hon. JTiowas L. James, ex-Post- 

 master General. 



Price, 15 Cents, Poatpaid. 



ADDRESS N. D. C. HODGES, 



874 BroadiTay, NeAV York, 



CALENDAR OF SOCIETIES. 

 Philosophical Society, Washington. 



Nov. 21. - William Hallock, The Deep 

 Well at Wheeling; Robert T. Hill. On the 

 Occurrence and Availability of Underground 

 Water. 



Society of Natural History, Boston. 



Deo. 2. — A. Hyatt, Relations of Ancient 

 and Modern Pinnas; C. S. Minot, Recent 

 Investigations on the Brain. 



Minerals, 



Rocks, 



Fossils, 



Castisi ot Fossils, 



Geologrical 



Relief maps. 



Ward'sNatural Science Establishment 



Mineralogy, Geology, Paleontology, Zoology, Osteology, Anatomy. 



Send for Circular. ROCHESTER, N. Y. 



stuffed Animals 



and Skins, 



IHounted 



Skeletons, 



Anatomical 



Models 



iDTerlebrates 



