.nuCacturcd bolulybj tlio 



RUSSIA CEMENT CO. 



GLOUCESTER, MASS. 



Send 10c. and dealers* carflnho 



ilocjn't keep Jt in htoi k. for Bttmpic 



KIMBALL'S SATIN STRAIGHT 

 CUT CIGARETTES. 



People of refined laste who 

 desire exceptionally fine cigar- 

 ettes sliould use only our 

 STRAIGHT CUT, put up 

 in satin packets and boxes of 

 los. 20s. 50s. and loos. 

 14 FIRST PRIZE MEDALS 



^WM. S. TCIMBALL & CO- 



J. GRUNOW 



631 Sixtli Avenue, N 



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 



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 free to any arl 

 dress. Mention Science 

 in corresponding vvitfi u^ 



HYDRAULIC 



ELEVATORS and 

 WATER MOTORS. 



Send for New Catalogue 



Tuerk Hydraulic Power Co. 



CHICAGO. NEW YORK, 



39 Dearborn St, 1 2 Cortlandt St 



SCIENCE. 



ESTERBROOK'S 

 STEEL PENS. 



OFSUPERIO:^ AND STANDARD QUALITY. 

 Leading Nos.: 048.14,130, 135, 239, 333 



• Siitc. Inj all SI till 



THE ESTERBROOK STEEL PEN 



Works; Oamdon, N.J. -Jti JoliM St.. >'< 



CO., 



ICOOD NEWS 

 TO L ADIES. 



nd .Moss Rose Toilet Sut. WaUlj, I'.rass Lamp, 

 )r Wfbster's Dictionary. Fortiill jiartlciilars address 

 THIS GREAT AMERICAIV TE.\ «'0., 

 P. O. Box 289. 81 and 33 Veecy St., New York. 



. r>. & Co 



(Royle's Hatent) 



SELF-POURING 

 COFFEE and TEA 



POTS. 



Pours out the Tea by simply prcsslne the lid, as illQS- 

 trated. Does away entirely with the drudgery of lifting 

 the Teapot. SAVES at Ica-'^t 26 per cent, of Tea, or brews 

 the Tea propertiooately better. Send for Lhts. 



PAINE, DIEHL & CO., Philada., Pa. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 

 postpaid on receipt of price. 



Cloth 



Half Mo 



75 I 



This binder is strontj, 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. 



N. D. C. HODGES, 



47 Lafayette Place, New Yorl<. 



{ACK NUMBERS and complete sets of leading Mag- 

 azines. Rates tow. AM. MAG. EXCHANGE, 

 Schoharie, N.Y. 



Mann's Reterence Indexes. 



References to and transcripts or translations of the lit- 

 erature of ANY SUBJECT furnished by B; PICKMAN 

 MANN, Washington, D. C. 



Correspondence fee, 50 cents. Explanatory circulars 



[Vol. XI. No. 282 



DRESS GOODS FOR TOURISTS. 



JAMES MCCREERY& GO. 



A .special feature of the I>r<;ss 

 Department lor this week will be 

 the offer of three lines ot nii>ed 

 "Woolens, at the loUowing low 

 lirices : 



Cue line of Check and Stripe 

 Suiting-, at G5 cents per yard, 

 worth $1. One line ot Twil ed 

 Beiges, in Melton effects, at 75 

 cents per yard ; excellent va'ue 

 at ,$1.25. One line Iiivisijle 

 Plaids, suitable for tourists' dre.st;e8» 

 at 85 cents per yard. 



Samples sent on application. 



James McCreery & Co, 



BROADWAY AND ELEVENTH ST, 



NEW YOKK. 



JAYNE k CROSBY LETTER FILE. 



HO MANIPULATING TO OPEN, AND IS SEIF-CLOSINQ. 



EACH WIRE ACTS INDEPENDENTLY OF THS OTHERS. 



Patented 

 June 7, 18S". 



Any paper can In- iili-: 



upward aitd lorward. 

 Steel Wires Nickel Plated. 



Send tor Descriptive Circular. 

 JAYNE & CROSBY, 

 110 Liberty St., New Youk- 



If your stationer does not handle our goods, 

 write to us. 



■;JOW (1)CT1N05= -A=R-nART= =J05=TRIPP, 

 "! Fpes't. QenMariii^BP. VPpes't. 



^OTO = 

 tNQRAYINO 



^iLLUSTRAt'^ 

 AND ADVeRTISINQ 



Bl^HCH-AT 7^8■C^1E5Tr1UT~5Ti 

 ^""'^''^=3 Prtl b\D E LP i11?\'; P/^' 





