SCIENCE. 



[Vol. XII. No. 285 





PatepJ F -wket Can N o ^^ aste 



tf 



GLUE% 



THE WORLD, gol 



[GOLDMEDALg) 



^CW ORLEANS 



g- 



Us J by thousands of firet-claas 

 me hanics and by such manufact- 

 urers 33 Piillman Palace Car Co., 

 Mis n & Hamlin Organ and Piano 



Repairs Everything. 



ght a lot of 



I every way 



emember that THE 



' L GENUINE LePa-je's Liquid 



lue 1 manufactured solely by llie 



RUSSIA CEMENT CO. 



CLOUCESTER, MASS. 

 Send 10c, and dealers' card who 



KIMBALL'S SATIN STRAIGHT 

 CUT CIGARETTES. 



People of refined taste who 

 desire exceptionally fine cigar- 

 ettes should use only our 

 STRAIGHT CUT, put up 

 in satin packets and boxes of 

 los. 20s. 50s. and lOOs. 

 14 FIRST PRIZE MEDALS. 



WM. S. KIMBALL & CO. 



T. «,.«.,..., 



62J Sixth Avenue, IS en 



Established 1852. 



Microscope Stands, 

 Oil Immersion Object- 

 ives and Abbe Con- 

 densers for Bacterial 

 and Histological work, 

 of Objectives, Camera 

 Lucida and other ac- 

 cessory apparatus. 



W.H.WALISLEY&CO. 



SUCCESSORS TO 



B. & J. BECK, 



1016 Chestnut Street Phila, 



Microscopes and all 

 Accessories and Ap- 

 paratus. Photograph- 

 sc and Photo-Micro- 

 graphic Apparatus and 

 Outfits. 



Spectacles, Eye 

 Glasses, Opera and 

 Marine Glasses, etc. 



Illustrated Price List 

 mailed free to any ad- 

 dress. Mention Science 

 in corresponding with us. 



HYDRAULIC 



ELEVATORS and 

 WATER MOTORS. 



Send for New Catalogue 



Tuerk Hydraulic Power Co, 



CHICAGO. NEW YORK. 



39 Dearborn St, 1 2 Cortlandt St- 



GOOD NEWS 

 12 L ADIES. 



(ireatest maueemeut^ver of- 

 fered. lsow'8 your time to get 

 up orders for our celebrated 

 Teas and Coffees, and secure 

 a beautiful Gold Band or Mosa 

 Rose China Tea Set, Dinner Set, 

 Toilet Set, "Watch, Brass Lamp, 

 ry. For full particulars address 



GREAT AMERICAiV TEA C^O.. 



; 289. 31 and 33 Vesey St., New York, 



UNDERWOOD'S 

 WRITING FLUIDS, 



Used by United States Government in all Departments, 

 and by Leading Banking and Mercantile Houses. Send 

 for Samples. 



J. UNDERWOOD & CO. 



163 La Salle St., Chicago. 30 Vesey St., N.Y. 



JACK NUMBERS and complete sets of leading Mag- 

 1 azines. Rates lorn. AM. MAG. EXCHANGE, 

 Schoharie, N.Y. 



TILESTON k HOLLINGSWORTH, 



64 Federal Street, Boston. 



Manufacturers of Fine Bdok Papers for let- 

 ter press and cut priming. The attention of 

 pttblishers and printers is called to our Ivory 

 Finish (no gloss) paper. A boon to studious 

 men, reflecting no dazzling glare injurious to the 

 eyes. Approved and used by the best educa- 

 tional publishers in the country. 



A NEW MAGAZINE- THE SWISS 



B| Devoted to spreadmg a love of PDAOO 



*lnature among the people. Edited L/nUoO 



by H.\RL-an H. Ballaed, President of the Apassiz Asso- 

 ciation, and succeeding: St. Mc/jn/ s as the ofBcialmasa- 

 zine of that body. ffil.50ayear. SamplecopylOcents, or25 

 cents for trial subscription for ." months. 



N. D. C. HODGES, Publisher, 

 Mention this paper. 47 Lafayette Place, New York. 



Wants. 



AN EDUCATED AND CAPABLE PERSON 

 wanted in every town and city to canvass for sub- 

 scriptions to Science: liberal compensation. Address, 



naming references, Publisher of Science, 47 Lafayette 

 Place, New York city. 



Posit io7is Vaca n t. 



Inquiries from employers in want of those skilled in any 

 department of science in its widest sense will be inserted 

 in this column WITHOUT CHARGE. 



The labor and expense involved in ascertaining what 

 positions are open, in gratuitously advertising them, and 

 in attending to the correspondence of applicants, are in- 

 curred in the interest and for the exclusive benefit of 

 s7ibscribers to Sciejzce. 



Applicants should enclose the necessary postage for 

 forwarding their letters. 



A NEW CORSET. 



JAMBS McCBEERY & CO. are 



introducing- a Corset which they 

 reconiinend as the best they have 

 ever had at the price — one dollar. 

 They are made in white and in 

 drab, are silk-stitched, edged with 

 lace, and are perfect fitting. 



MAIL ORDERS ARE PROMPT- 

 LY EXECUTED. 



JAMES McCREERY & CO. 



BROADWAY AND ELEVENTH STREET, 



NEW YORK. 



I*. I>. & Co 



(Royle s Patent) 



SELF-POURING 

 COFFEE and TEA 



POTS. ' e\ 



- f% 



Ponrs out the Tea by simply pressing the lid, as illus- 

 trated. Does away entirely with the drudgery of lifting 

 the Teapot. SATES at least 25 per cent, of Tea, or brews 

 the Tea proportionately better. Send for Lists. 



PAINE, OIEHL & CO., Philada., Pa. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 

 postpaid on receipt of price. 



Cloth 

 Half Mon 



50 cents. 

 75 cents. 



Thi; 



er is strong, durable and 

 _ . gilt side-title, and allows 



the opening of the pages perfectly 

 flat. Any number can be taken out 

 or replaced without disturbing the 

 others, and the papers are not muti- 

 lated for subsequent permanent bind- 

 ing. Filed in this binder, Science is 

 always convenient for reference. 



N. D. C. HODGES, 



47 Lafayette Place, New York. 



'A=R-)1ART= 



Qen-Mairwg'eP. 



.JOS'TRIPB 

 V-Ppes't 



^ ILLUSTRATIVE 

 AND ADVERTISING 

 DURP©SES 



BRANCH -AT 7JS.-'^EaTMUr..5TJ 

 "PillLADELPill?^:?/^' 





