kS uiHE ONLY GENUINE jX *^ 



UNEQUALLED for CEMENTING 



wnriil. cluHS. chind. raner. leather, Ac. a1""""=' 



Is HADEBY THE) gyL^D^^^|°DZiyg I 

 nuisIaCernent Co ■ , sampTelocMampa 



These glues are used iu the Smithsonian Institute 

 at Washington for all its ivork of mounting speci- 

 mens—by the Government Arsenals and Depart- 

 ment Buildings, by the PuUmau Palace Car Co., 

 Mason & Hamlin Organ and Piano Co., and by 

 thousands of flrstclass manufacturers and mechan- 

 ics throughout the world, for all kinds of fine wm*. 

 Pronounced STRONGEST ADHESIVE KNOWN 

 Sold in tin cans tor mechanics and amateurs, and 

 in bottles for family use. The total quantity sold 

 between Jan., 18S0, and Jan., 1885, in all parts of the 

 world amounted to over 32 million bottles. Be 

 sure and get the genuine LePage's made only by 

 EussiA Cement Co. 



J. GRUNOW 



631 Sixth .4Tenue, New \oil 



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. 



KiMdALL'S SATIN SIKAIGHT 

 CUT CIGARETTES. 



People of refined taste who 

 desire exL-eptionally 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 & GO. 



GOOD NEWS 

 TO LADIES. 



C-ireatest maucemeu^^ver of- 

 fered. Now's your time to get 

 up orders for our celebrated 

 Teas and Coffees, and secure 

 a beautiful Gold Band or Moss 



Rose China Tea Set, Dinner Set, 



Gold Band Moss Rose Toilet Set, "Watch, Brass Lamp, 



or Webster's Dictionary. Forfull particulars address 



THE GREAT AMERICAN TEA CO., 



P. O. Box 2S9. 31 and 33 Vesey St., New Yort. 



W.H.WALISLEY&CO. 



SUCCESSORS TO 



K. & J. BECK, 



1016 Chestnut Street, Phila, 



Microscopes and all 

 Accessories and Ap- 

 paratus. Photograph- 

 ic and Photo-Micro- 

 graphic Apparatus ami 

 Outfits. 



Spectacles, Eye 

 Glasses, Opera and 

 Marine Glasses, etc. 



Illustrated Price Lisi 

 mailed free to any ad 

 dress. Mention SciENCi 

 in corresponding with us 



SCIENCE. 



hivestments. 



V FIRST MORTGAGES. T^ 



Upon carefully selected farms in the most flourishing and 

 most rapidly growing parts of the West. 



t% Guaranteed Mortgages 6^^ 

 d'fo Debenture Bonds 6^ 



Securedby similar mortgages, and also by the capital of 

 the issuing Company. 



THE EASTERN BANKING COMPANY, 



43 MILK STREET, BOSTON. 

 Francis A. Osborn, Pres. Edw. T. Merrihew, Treas. 



HYDRAULIC 



ELEVATORS and 

 WATER MOTORS, 



Send/or Neirj Catalogue 



Tuerk Hydraulic Power Co. 



CHICAGO. NEW YORK, 



39 Dearborn St, 12 Cortlandt St, 



"NEW DEPiRTUBE" 



nmmi HOOKS, 



ONE HOOK 



equal to 



a whole 



CLOSET. 



HOOKS A WHOLE HAT RACK. 



Any Garment can be re- 

 moved without taking off the 

 others. 



SUITABLE FOR 



Closet, Hall or Kitolien. 



Prkc, 33e. each. 



tilt this outanfJaskyour'i^ 

 hard ware dealer for them. f^|| 



JAYNE & CROSBY, 



I 10 Liberty St., N.Y, 



The Travelers Insurance Company 



of Hartford, Conn., organized 1864, issues both Life 

 Policies and Accident Policies. Only large accident 

 company in America. Only $5 a year to professional 

 and business men for each $1,000 insurance, with $5 

 weekly indemnity. Has paid policy-holders nearly 

 $11,000,000. All policies non-f or f citable. All claims 

 paid, without discount, and immediately on receipt of 

 satisfactory proof. 



[Vol. XI. No. 275 



IfK'S ;iii(l Aims 



{ 



WITH RUBBER FEET AND HANDS 



The engraving is from a 

 stantaneous photograph of a 

 asceiidino; a ladder. He has 

 artificial legs substil 



himself r 

 his hands 



. hich' 



ilroad accident : 

 lly amputated, 

 er feet he is abl 

 a ladd( 

 th- rungs 

 liberty. 



Tushed bv 

 nd subs- 

 Wilh his 



and h 



a good day's wage's at the bench 

 He can walk and mingle with p 

 sons without betraying his lo; 

 in fact he is rest red to his forn 

 self furall practical purposes. 



With the ..Id methods of co 

 plicated ankle-j. ints an undert! 

 ii.g of this kind w.uld beat th 

 '" of the wearer, but with th 



ubl.< 



all sorts of opeations with safet5 

 Over eight thousand in practice 

 use, scattered in all parts of th 

 world. 



A Treatise of 40 pages, \s' 

 90 illustrations, and nearly 

 housand endorsements and le 

 lonials sent to those needii'g a 

 cial legs or arms, who wjll giv 

 escription of their case. 1 

 ame will be sent to physici^ 

 nd surgeons free of charge. 



A. A. MARKS, 

 70l Broad^vav, ISTe^v York. 



SPECIAL SALE 



US k m\\\. 



JAMES McCREERY & CO. 



will offer at retail on and after 

 May I the combined stocks of 

 their wholesale and retail Silk 

 and Velvet Departments. The 

 importance and advantage of this 

 SPECIAL offering can only be 

 estimated by an examination, 

 which they respectfully solicit. 



No goods will be exhibited for 

 sale that cannot be relied upon 

 for satisfactory wear. 



JAMES McCREERY k CO. 



Importers and Mamfaciurers of 



Silks. 

 BROADWAY AND ELEVENTH STREET, 



Mann's Reference Indexe.s. 



References lo and transcripts or translations of the lit- 

 erature of AN-y SUBJECT fumished by B: PICKMAN 

 MANN. Washington, D. a 



Correspondence fee, 50 cents. E.^planatory circulars 

 free. 



