SCIENCE. 



[Vol. XIII. No. 312 



W^J^. 



<^A\Kc, 





Superior to Silk or Wool. 

 A Protection against Colds, Neu- 

 ralgia and Rheumatism. 



SOLD BY LEADING MERCHANTS. 



WARNER BROS., 359 Broadway, New York. 



mine siLis. 



We have just received several 

 cases of Novelty Silks for evening' 

 wear, specially intended for tbe 

 approaching season. The ground 

 colon's are white and various deli- 

 cate gaslight shades, aud are bro- 

 caded in Silver and Gold in very 

 unique designs. 



Orders hy mail will receive care- 

 ful and prompt attention. 



JAMES MCCREERY& CO. 



BROADWAY AND ELEVENTH ST., 



NEW YORK CITY. 



GOOD NEWS 

 TO LADIES. 



(J reatest maucnrient 3 ev" r of- 

 fered. Now's your time to get 

 up orders for our celebrated 

 leas and Coffees, and secure 

 a beautiful Gold Band or Moss 



Rose China Tea Set, Dinner Set. 



Gold liaud iMoss Rose Toilet Set, "Watch, Brass Lamp, 



or Webster's Dictionary. For full particulars address 



TBIK GREAT AiMERICAIV TEA <;0., 



P. O. Box ;JSy. 31 and S3 Vesey St., New Vort. 



ESTERBROOK'S 

 STEEL PENS. 



OF SUPERIOR AND STANDARD QUALITY. 

 Leading Nos.; 048, 14, 130, 135, 239, 333 



For Sale by all Stationers. 



THE ESTERBROOK STEEL PEN GO., 



Worka : Onmden, N. J. !*6 John St., New York. 



LINENS 



AND 



HOUSEKEEPING GOODS. 



DAMASK TABLE CLOTHS, 



Damask Napkins, Linen Slieetings, 



PILLOW LINENS. 

 DAMASK AND BUCK TOWELLINGS, 



At prices very advantageous to the 

 purchaser. 



New York. 



Schools. 



Ew Haven, 



MRS. CADY'S SCHOOL FOR YOUNG LADIES. 

 Prepares for Smith and Wellesley, and admits to 

 Vassar by Certificate. Circulars. Early application 

 necessary. 



Vermont, Burlington. 



VERMONT EPISCOPAL INSTITUTE. Boarding 

 School for Boys. Prepares for College or Business. 

 Military drill. Terms moderate. Fifty-seventh half- 

 year opens September 3, 1888. Send for catalgue. 



H. H. ROSS, A.M., Principal. 



Wants, 



TXr ANTED.— A teacher for the Natural Sciences 

 "" History, who is also competent for the positio 

 Associate Principal, in a flouri-^hing private schoool. 

 dress P. O. Box 385, Plainfield, N.J. 



A Harvard graduate desires engagement as teacher of 

 higher English branches, such as composition, rhetoric, 

 literature, history, political economy, mathematics. 

 Address J. B. H., 



Science office. 



SCHOOLS AND COLLEGES 

 will have a positive advantage by ordering their furniture 

 apparatus and supplies from C. PARDO & CO., 



31 East 17th St.., New York. 



Scie7itific Apparatus, 



J. GRUNOW 



631 Sixth Avenue, New York 



Established 



Microscope Stands, 

 Oil Immersion Object- 

 ives and Abbe Con- 

 densers for Bacterial 

 and Histological work, 

 of Objectives, Camera 

 Lucida and other ac- 

 cessory apparatus. 



IMPROVED OIL LIGHT 



MAGIC LANTERNS. 



Also Lime and Electiic Light Apparatus, and 



mechanical, plain, and fine colored views. 



J. B. COLT & CO., Manufacturers, 



No. 16 Beekman Street, New York. 



WHITALL'S PLANISPHERES OF THE 

 STARRY HEAVENS name and locate all 

 Planets, Stars, and Constellations visible at any 

 given minute of time. Every one should pos- 

 sess set, $5.00 ; Miniature, 30 cents postage paid. 

 Ask stationer, or address Wm. T. Cooper, 

 Manager, 307 Race St., Philadelphia, Pa. 



f.H.WALMSLEY&CO, 



SUCCESSORS TO 



B. & J. BECK, 



1016 Chestnut Street Pliiia 



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 f^'ee to any ad- 

 dress. Mention Science 

 in corresponding with us. 



MAGIC Stereopticons and the Best Views 



T ...^t^tTx,.., 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 



Zoology. Anatomy, Pal.eontology,— Large stock 

 of Vertebrates and Invertebrates, — We arrange and fur- 

 nish complete collections for educational purposes and 

 exhibitions in any or all departments of Zoology. We 

 have an immense stock of recent shells and fossils, es- 

 pecially from the tertiary period; anatomical preparations; 

 models (made of papier mach6) of the human body, divisi- 

 ble, complete, and in separate parts, also separate parts 

 of mammals, very important for the study of anatomy ; 

 also microscopical preparations. Linnsean Institution for 

 Natural History, Berlin, Germany. Our Agent In the 

 U. S., Mr. Herman Rolle, 33 Ave. A, New York City, 

 will send specimen catalogues free on application. 



