SCIENCE. 



[Vol. XII. No. 283 



, ... the: world. C^ 



^fiOLDMEDAL^ 



■A bv thousands o£ first-class 



Co &c., &c. 



Repairs Everything. 



Its success has bronglit a lot of 



Ting U3 in every ivay 



.emember tliat T H E 



GENUINE LePoffe's Liquid 



Glue IS manufactured solely by the 



RUSSIA CEMENT COc 



GLOUCESTER, MASS. 

 Send 10c. and dealers' card ivho 



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. 



W^M. ^ TTTMB ALL &o CO. 



J. GRUNOW 



631 Sixtli ATenue, New York 



Established 1S52 



Microscope Stands, 

 Oil Immersion Object- 

 ives and Abbe Con- 

 densers for Bacterial 

 and Histological work, 

 of Objectives, Camera 

 Liicida and otiier ac- 

 cessory apparatus. 



W.H.WALISLEY&CO, 



SUCCESSORS TO 



K. & J. BECK, 



1016 Chestnut Street Phiia, 



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 free to any ad- 

 dress. Mention SCIENCE 

 in corresponding; with us. 



HYDRAULIC 



ELEVATORS and 

 WATER MOTORS. 



Send foT New Catalogue 



Tuerk Hydraulic Power Co. 



CHICAGO. NEW YORK, 



39 Dearborn St, 12 Cortlandt St- 



GOOD INBEWS 

 TO L ADIES. 



Cireatest inducements ever of- 

 fered. Kow'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, 

 Rose Toilet Set, "Watcli, Brass Lamp, 

 bster's Dictionary. Forfull particulars address 

 SM-: GREAT AMERICAiV TEA (^O., 

 . Box 239. SI and 33 Vesey St., Xew York, 



"NEW DEPARTURE" 



immi mil 



ONE HOOK 



equal to 



a whole 



CLOSET. 



I. J HOOKS A WHOLE HAT BACK. 



Any Garment can be 

 moved without fcUiine off 1 

 others. —& 



SUITABLE FOB 



Closet, Hall or Kitolieii, 



Prltc, ase. cnih. 



Cut this out and ask your 

 hardware dealer for them. 



JAYNE & CROSBY, 



I 10 Liberty St., N.Y 



A NEW CORSET. 



JAMES McCKEEKY & CO. are 

 introducing- a Corset whicli they 

 recommend as tlie best they have 

 ever had at the i)rice — 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 McCREEHY & CO. 



BROADWAY AND ELEVENTH STREET, 



NEW YORK. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 

 postpaid on receipt of price. 



Cloth _ _ 50 cents. 



Half Morocco - 75 cents. 



This binder is strong, durable and 

 elegant, has 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. 



D. C. HODGES, 



Lafayette Place, New York. 



r». 13. & Co. 



(Royle's Hatent) 



SELF-POURING 

 COFFEE and TEA 



the Tea propertionatelv better bend for Lists. 



PAINE, OIEHL & CO., Philada., 



Calicraph Writinq Machine 



Price, $ gg.QO 



20,000 in daily 

 use. 



:TH:E JVIOST: 



Practical, 

 Durable 

 and Rapid 



WRITING MACHINE 



FOR THE 



Office f Library, and 

 ^ Family, 



For printed matter, etc., address 



THE AMER8CAN WRITING MACHINE CO., 



Ne\r Tork Brancb, 237 Broadivay. HAKTFOKI), CONN. 



^V •■JOW H)\5T1N0S= =A=R-t1ART= 'J05=TRIPP. 

 Fpes't. OenManafop. VPpes't. 



£P10T0-= 

 tHQlWINCi 



i^iLLiJsrRAriVE 



AND ADVeRTISINQ 



>pnila?J}ELPrtl7\tPA=' 



NEW YOR.K.i-a 



