SCIENCE. 



[Vol. XII. No. 307 



ERWEAR ^ 



,/\ENV/onE.NAND< 



Superior to Silk or Woo!. 

 A Protection against Colds, Neu- 

 ralgia and Rheumatism. 



SOLD BY LEADING MERCHANTS. 



WARNER BROS., 359 Broadway, New York. 



A Useful and Handsome Present. 



Prices Reduced for the Holidays. 



Warranted 14 karat gold aud to give perfect satia- 

 f action — Is pronounced by hundreds of pleased cus- 

 tomers to be tb,e best fountain pen in the market be- 

 cause it is always ready. Writes freely and never 

 gets out of order. 



Sent by mail prepaid for $1.50, $a.oo and $2.50 

 each, according to size selected. 



These are special prices for the holidays, and this 

 offer should be availed of by all who write. 



JOHN S. HULIN, 



M'f'g Stationer autl Steam Printer. 



Wedding Invitations and Visiting 



Cards Engraved to Order, 



369 BROADWAY, N. Y. 



Neai 



The Largest, Hs 



Account-Book M: 



lishment for Fir 



York City. 



Franklin Street, 

 ndsomest, and Most Complete 

 nufactory and Printing Estab- 



THE NEW 



ftCIVlEr-5 

 IVIICROSCOPE 



Complete, Willi hii^n-claes 

 lenses 1 In. and 1-5 in. 

 $28.00. 

 -i-ml for 1 nuiplete cimlOKue 

 I and sample of 'J'lie .Micro- 

 s, upiial l.uUetiu. 



JAMES W. QUEEN & CO. 



24 Chestnui St., Phila. 



W. H. WALMSLEY & CO, 



SUCCESSORS TO 



R. & 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 fne to any ad 

 dress Mention Science 

 in corresponding with us 



1 .^""'C^ TqTENT ^^OVEI-l 



:; /lM%FldOT( Q<ft'^'i Fair"!" AND 



Ti 

 P 



"THE ECLIPSE." 



COPYING APPARATUS. 



One thousand copies in black. No 



special pen, no special paper, no 



stencil required. The " Eclipse " 



reproduces the natural handwriting 



so exceedingly faithful that in most 



1 cases " Eclipse" circulars have been 



i' taken for ordinary written letters. 



1 Specimens and circulars on appHca- 



FELIX F. DAUS & CO , 



69S Broadway, New "Wnk 



GOOD l\3EWS 

 TO LADIES. 



up orders for our celebrated 

 Teas and Coffees, and secure 

 a beautiful Gold Band or Mosa 

 Kose China Tea Set, Dinner Set, 

 Rose Toilet Set, "Watch, Brass Lamp, 

 \\>bsrer's Dictionary. For full particulars address 

 TIIK GREAT AMERICA.'V TEA <^0.. 

 P. O. Box ;a89. 31 and 33 Vesey St., New Torfe. 



TILESTON & HOLLINGSWORTH, 



64 Federal Street, Boston. 



Manufacturers of Fine Book Papers for let- 

 ter press and cut printing. The attention of 

 publishers 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 edtica- 

 tional publishers in the country. 



J. GRUNOW 



631 Slxtli Avenue, New York 



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. 



JAMES McCREERYfi CO. 



Importers and Manufacturers. 



The assortment of Plain Black 

 Silk Fabrics alone contains over 

 275 different weaves and quali- 

 ties ; of Fancy Blacks there are 

 about 200. 



Send for samples of quality and 

 style desired. 



BROADWAY AND ELEVENTH ST., 



NEW YORK CITY. 



CANDY 



CANDY 



Send |r.25, $2, or $3.50 for a sam- 

 ple retail box by express of the best 

 candies in An^rica. Put up in ele- 

 gant boxes, and strictly pure. Suit- 

 able for presents. Express charges 

 prepaid. Refers to all Chicago. Try 

 it once. Address. 



C. F. GUNTHER, 



Confectioner, Chicago. 



MAGIC Stereopticons and the Best Views 



T A «T'^T^ -r-k -kr <-. for Public, Church, Home, and 

 LANTERNS Scientific Exhibitions. Best appa- 

 ratus, new views. Largest stock. Reduced prices, 24 

 Years' Practical Experience. Illus. Catalogue Free. 



GEO. H. PIERCE, 

 136 S. Eleventh St., Philadelphia, Pa 



=A=R-11ART= 



iJ05= TRIPP. 

 VPpes't, 



fTTNQRWINQ 



m illustr-aTiVe 



AND ADVERTISINQ 

 [JURPQSES 



Bl^MCH-AT 7.2aC^lE5TMUr.5Ti 



r-ffhpARK Placed 



