SCIENCE. 



[Vol. XI. No. 270 



nd Mccha 



a brought a lot of ii.,iiu.u.^ .,..1,. i..i^ ua... ...t.j 



possible. Rpmemhtr that THE ONLY GENUINE 

 ■9 Liquid Glue i^ manufactured solely bvthe 



" " GLOUCEStER, : .._: 



; Sample by mail 20c; stampa. 



These glues are used in ttie Smithsonian Institute 

 at Washington tor all its work of mounting speci- 

 mens — by the Government Arsenals and Department 

 Buildings, by the Pullman Palace Car Co., Mason & 

 Hamlin Organ and Piano Co., and by thousands of 

 flrst-class manufacturers and mechanics throughout 

 the world, for all kinds of fine work. Pronounced 

 STRONGEST ADHESIVE KNOWN. Sold in tin cans 

 for mechanics and amateurs, and in bottles for 

 family use. The total quantity sold between Jan., 

 1880, and Jan., 1885, in all parts of the world 

 amounted to over 33 Mifji.iON boitles. Be sure and 

 get tbe genuine LePage's made only by Russia 

 Cement Co. 



KIMSALL'S SATIN STRAIGHT 

 CUT CIGARETTES. 



Peoijle of refined laste who 

 desire exceptionally fine cigar- 

 1^ eltes should use only our 

 " ' STRAIGHT CUT, put up 

 in salin packels and boxes of 

 los. 20.S. 50s. and loo-i. 

 14 FIRST PRIZE MEDALS. 



^WM. S. KIMBALL Sz, GO. 



GOOD IMEWS 

 TO LADIES. 



fcro'i. Now's yulir time to geC 

 up oi-dCTS for our celebrated 

 Teas and Coffees, and secure 

 a beautiful Gold Band or Moss 

 Rose China Tea Set, Dinner Set, 

 e Toilet Set, Watch, Brass Lamp, 

 ary. Forfull partlcularsaddress 



THE GREAT AMERICAIV TEA <0., 



P.- O. Box 289. SI and 33 Yesey St., New Yorli. 



W.H.WALISLEY&CO. 



SUCCESSORS TO 



K. & J. BECK, 



1016 Chestnut Street, Phiia, 



Microscopes and all 

 Accessories and Ap- 

 paratus. Piiotograph- 

 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. 



SPRING AND SUMMER 



DRESSj;OODS. 

 JAMES MCCREERY& CO. 



are now offering the following 

 lines ol Dre.«s Good>* : 



CLeck and. Striped Cheviot.s 44- 

 incb, 75e.; 54-iucb, 8oc. and 

 $1.00; worth $1.00 and $1.25. 



The above are remarkable value. 



ORDERS ) from any part of the country 



BY [■ will receive careful and prompt 



MAIL ) attention. Mention this paper. 



JAMES McCREERY & CO. 



BROADWAY AND ELEVENTH ST., 



NEW YOKK. 



MAP-MAKING. 



All publishers or others de- 

 siring to have maps made, 

 either from relief plates or by 

 lithograph, should write to us 

 for estimates before placing 

 their orders elsewhere. Any 

 work entrusted to us will be 

 carefully made under the super- 

 vision of our geographical edit- 

 or, Dr. Franz Boas. 



N. D. C. HODGES, 



Publisher of Science, 

 47 Lafayette Place, 



New York. 



The Travelers Insurance Company 



of Hartford, Conn., organized 1864, issues both Li/f 

 Polictei 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-forfeitablc. All claims 

 paid, without discount, and immediately on receipt of 

 satisfactory proof. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 

 postpaid on receipt of price. 



Half Morocco - 75 cents. 



This binder is strong, durable and 

 elegant, has gilt side-title, and allows 

 the opening of the pages pcrfcclly 

 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 York. 



AMaTeUK ThOTQ OvTplTS 



•^ 



i \s i J!<,J-M j:'"^^'-pet-ectvc ^ 



TILESTON & HOLLINGSWORTH, 



64 Federal Street, Boston. 



Manufacturers of Fine Book Papers for let- 

 ter press and cut printing. The aitention of 

 publishers and primers 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 educa- 

 tional publishers in the country. 



QUSTAV E. STECHERT, 



828 Broadway, New York. 



Importer of Scientific Books and Periodicals. 



Branches : Leipzig, Hospital Str. 16 ; Lon- 

 don. 26 King William Str.. Strand. 



JOHt< HASTINGS' --A=R=t1ART= =J05=TRIPP, 

 Fpes't. (ienI1ani|5P. VPpej't, 



^ illustr-atiVe 



AND ADVeRTISINQ 



BRANCH -AT Z2ac^E5THUr^T! 



^^-"^'^^ PillkADELPMlA,: PA" 



!nE.W YOR.K.--a 



