SCIENCE. 



[Vol. XII. No. 304 



llDJJ?#FiLJsH. 



tn| 



\ IN THE WORLD. t(i\ 



:goldmedal^ 



^ 





:d by thousands of first-class 

 n anics and by such manufact- 

 u 1. as Pullman" Palace Car Co., 

 U liOn &. HamliD Organ and Piano 

 Co &c., &c. 



Repairs Everything. 



I success has bronglit a lot of 



m itors copying na in every way 



p ble. Remember that THE 



GENUI^'E LePage's Liquid 



is manufactured solely by the 



RUSSIA CEMENT CO. 



GLOUCESTER, MASS. 



d 10c. and dealers' card who 



t keep it in stock, for sample. 



J. GRUMOW 



631 Sixth Avenue, N 



Established 1852 



IViicroscope Stands, 

 Oil Immersion Object 

 ives and Abbe Con- 

 densers for Bacterial 

 and Histological work, 

 of Objectives, Camera 

 Lucida and other ac- 

 cessory apparatus. 



:MAGIC LANTERNS 



^■^^<2;io P T I C O N s 



— F-+R-S IZC^^^"' 



-PRO JECIlHG^ftePffRS . u . 



„ToFtS&HCroLS COLLEGES:, ^;; « 



';^ND PUBLIC ENTERTAINMENT^gaEYJ 



CANDY 



CANDY 



Send $1.25, $2, or $3.50 for a sam- 

 ple retail box by express of the best 

 candies in America. Put up in ele- 

 gant boxes, and strictly pure. Suit- 

 able for presents. Express charges 

 prepaid. Refers to all Chicago. Trj' 

 it once. Address. 



C. F. GUNTHER, 



Confectioner, Chicago. 



ESTERBROOK'S 

 STEEL PENS. 



OF SUPERIOR AND STANDARD QUALITY. 

 Leading Nos,: 048, 14, 130, 135. 239, 333 



For Sale by all Stationers. 



THE ESTERBROQK STEEL PEN GO., 



Works ; Camden. N. J. 26 Joliu St.. New Vork. 



GOOD NEWS 

 TO LADIES. 



L beautiful Gold Band or Woss 



Rose Cliina Tea Set, Dinner Set, 



Gold iJand Moss Rose Toilet Set, TVatch, Brass Lamp, 



or Webster's Dictionary. For full particulars address 



THIS GRE.4T AMERICAN TEA CO., 



P. O. Boi 2S9. 31 and 33 Veaey St., New York. 



MAGIC Stereopticons and the Best Vie- 



, .r;i;"„„r. f°r PuWic, church, Home, a: 

 LANTERNS Scientific Exhibitions. Best app 

 ratus. new views. Largest stoclc. Reduced prices. 

 Years' Practical E.xperiei.ce. Illus. Catalogue Free. 



GEO. H. PIERCE, 

 136 S. Eleventh St., Philadelphia, Pa 



KIMBALL'S 



STRAIGHT CUT 



CIGARETTES. 



Unsurpassed in quality. 



Used by people of refined taste. 

 Highest award at Brussels, 1888. 

 The finest smoking mixtures are of 

 ir manufacture. 

 Fifteen First Prize Medals. 

 WM. S. KIMB.\LL & CO.. 



Rochester. N.Y. 



ff . H. WALISLEY k CO. 



K. & J. BECK, 



1016 Chestnut Street Phila 



Microscopes and all 

 Accessories and Ap- 

 paratus. Photograph- 

 ic and Photo-Micro- 

 graphic Apparatus and 

 Outfits. 



Spectacles, Eye 

 Glasses, Opera and 

 Marine Glasses, etc. 



Illustrated Price List 

 mailed fice to any ad 

 iress Mention Science 

 m corresponding with us 





mso^i 



"THE ECLIPSE." 



COPYING APPARATUS. 



One thousand copies m black. No 

 special pen, no special paper, no 

 stencil required. The " Eclipse " 

 reproduces ihe natural handwriting 

 so exceedingly faithful that in most 

 cases " Eclipse" circulars have been 

 taken for ordinary written letters. 

 Specimens and circulars on appHca- 



FELIX F. DAUS & CO., 



698 Broadway, New "Wjrk 



Established 1859. 



H. A. DREW, 



Commercial Printer, 



5 Clinton Place, near Broadway, 

 New York. 



Wedding Orders, Souvenirs, Invitations, Or- 

 ders of Dance, etc., etc., done in the latest and 

 most elaborate styles, at reasonable prices. 



All Favors promptly attended to. 



PACES. THRtE PACES. 



Hundred Thousand new subscribers for The Family 

 Journal and Ladies' Companion wanted. It Is the 

 most Interestinsr and instructive paper ever Issued 

 Subscribers will receive during the coming twelve 



MONTHS 



novela written by American Authors, complete In 

 each three numbers. The story of popular worts of 

 fiction will be retold by a novel reader, the most in- 

 teresting- and unique feature ever introduced in any 

 publication, giving- the substance of popular and 

 standard books by famous writers in a space easily 

 read by the busiest people. We have engaged 



FOR 



this wort a widely known and popular writer. Com- 

 ments on Current Events. Fashions. New and Origi- 

 nal Ideas and Desi.eTis for Ladies' Fancy "Work and 

 Household Decoration, Letters from Correspondents 

 and their Answers. The colleg^es and seminaries of 

 the United States will be treated one each month in 

 an illustrated article, sho'^'ing the particular ad- 

 vantage of each, cost (Of attendance, etc. Invaluable 

 to parents havins? sonc or daughters whom they de- 

 sire should receive the Advantages of a higher edu- 

 cation than the ordinary school affords. Articles on 

 Painting and Drawing, Giving home instruction by a 

 well-known artist. A trial subscription of this ele- 

 frant paper will be sent to any address, three months. 

 for 



TEN CENTS. 



Liberal pay for literary work adapted to our col- 

 umns, ana for new and original drawings, designs 

 and ideas on any subject which we can use. 



Premium List the most complete in the world, "We 

 offer inducements to club raisers and agents ap- 

 proached by no other publishing house. The cele- 

 brated Gilbert Cut "Waist Linings, which we send 

 post paid to any one sending us two yearly sub- 

 Bcribers at 50 cents each is alone worth 15 cents. 



ISJ^Sent to any address, postpaid one year, 50 

 cents; sis months, 25 cents, and a three months* 

 trial subscription for only 10 cents. 



TRY IT! TRY IT! TRY IT! 



and you wiU become a permanent reader. Addxessi 



John L. Douglass, Publisher, 

 322 Broadway. W. Y. 



SILKS, SilllS, miEis, 



JAMES MCCREERY& CO. 



IMPORTERS AND MANUFACTURERS. 



Our Imports and Manufactures 

 are confined exclusively to Pure 

 an€l Keliable Goods. During the 

 Holiday Season we offer, at very 

 moderate prices, 1,800 pieces of 

 Plain and Novelty Black Silks from 

 -wliicli to select. 



Mail orders carefully and prompt- 

 ly executed. 



BROADWAY AND ELEVENTH ST., 



NEW YORK CITY. 



■MW HASTINGS' =A=R=tiART= 'J05=TRIPP. 

 Fpes't. Oen-Mana^^P. VPpes't. 



_rioro- 



™rw/inq 



SIllustr-ative 



AND ADVERTISING 



Bf^MCH-AT 7.2a■C^\E5TMUr5T! 



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