SCIENCE. 



[Vol. XVII I. No. 462 



Wants. 



A ?iy person seeking a position for 'which he is quali- 

 fied by his scieiitific attainments., or any perso7t seeking 

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

 of a teacher of science^ chemist y draughtsman., or what 

 not, 7nay have the * Want'' inserted under this head 

 FREE OF COST, if he Satisfies the publisher of the suit- 

 able character of his application. A ny perso7i seeking 

 inforynation on any scientific questions the address of 

 any scientific man, or who can in any way use thiscol- 

 uinn for a purpose consonant with the nature of the 

 Paper., is cordially invited to do so. 



WANTED. — Science, No. 178, July 2, 1886, also 

 Index and Title-page to Vol. VII. Address 

 N. D. C. Hodges, 874 B roadway, New York. 



YOUNG- MAN (31) would lifee a position in a 

 college, laboratory, or observatory, is also will- 



A 



ing to assist at a steam engine, etc. Address J. W. 

 care of Science, 874 Broadway, New York. 



WANTED.— A position in the philosophical or 

 pedagogical department of a college or uni- 

 versity by a young man (30) who has had five years^ 

 practical experience in teaching, and who has done 

 four years' post-graduate work in philosophy, devot 

 ing his attention during the last two years espC' 

 cially to study and original investigation in scieU' 

 tiflc psychology and its applications in education. 

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

 City. 



WANTED.— A suitable position in Washington, 

 D. C, not connected with the Government, 

 and with a salary not to exceed 8650 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 

 TJ. 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 as 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 3.3, West 

 Haven, Conn. 



Exchanges. 



[Free of charge to all, if of satisfactory character. 

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



Wanted to buy or exchange a copy of Hoibrook's 

 North American Herpetoiogy, by John Kdwards. 5 vols 

 Philadelphia, 1842. G. BAUR, Clark University, 

 Worcester, Mass. 



For sale or exchange, LeConte," Geology;" Quain, 

 "Anatomy," 2 vols.; Foster, ''Physiology," Eng. edition; 

 Shepard, Appleton, Elliott, and Stern, "Chemistry;" 

 Jordan, " Manual of Vertebrates;" " Internalional Scien- 

 tists' Directory;" Vol. I. Journal 0/ Morphology: Bal- 

 four, "Embryology," 2 vols.; Leidy, " Rhizopods;" 

 Science, 18 vols., unbound. C. T. McCLINTOCK, 

 Lexington, Ky. 



For sale. — A 6J^ x 8j^ Camera; a very fine instrument, 

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

 price, $25. Eidw. 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 "Dar\vinism," by A. R.Wallace, "Origin of Species." 

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

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

 mals," by Romanes, "Pre-Adamites," by Wir;chell. No 

 books wanted except latest editions, and 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 Becki 

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

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

 part or whole. Also complete file of Silliman^sjourna 

 1862-1885 (62-71 bound); Smithsonian Reports, 1854-188- 

 U. S. Coast Survey, 1854-1869. Full particulars to ei 

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



bal- 



scope 



:hange or sale at a ?; 



:fit. Bullock stand 

 :th homeogeneous 

 inch, Bausch & Lomb, also c 

 Spencer. Four eye-pieces. Obji 

 Address Mrs. Marion Smith, 41 

 Mass. 





elaborate micro- 

 nocular objectives, one- 

 four-tenths, and three 

 e-fouith and one inch 

 lives are the best made. 

 Branch Street, Lowell, 



For INVENTORS. 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-rights should address The American 

 Lightning Protection Co., Sioux City, Iowa. 



The English patent is for 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. 



The loss of flesh is a trifle. 

 You think you need not 

 mind it. 



But, if you go on losing 

 for some time or lose a good 

 deal in a short time, you are 

 running do'wn. Is that a 

 trifle? 



Get back to your healthy 

 weight and generally you get 

 back to health. 



A book on careful liv- 

 ing will tell you what it is to 

 get there, and when Scott's 

 Emulsion of cod-liver oil is 

 useful. Free. 



SCOTT& BowNE, Chemists, i3» South 5th Avenue, 

 New York. 



Your druggist keeps Scott's Emulsion of cod'Uver 

 oil— all druggists everywhere do. ^i. 



27 



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ESTERBROOK'S 

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OB SUPERIOR AND STANDARD QUALITY. 

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minerals, 



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iKTerlebrates. . 



