September 21, 1888.] 



SCIENCE. 



Bishops Potter, Stevens, and Robertson ; Presidents Mark Hopkins, Hitchcock, and Barnard; 

 Profs. Parker, Draper, and Beard; and thousands of the world's best brain workers, have used and 

 recommended CROSBY'S VITALIZED PHOSPHITES, for the relief of Nervous Derange- 

 ments, Brain Weariness, Dyspepsia, and Debility. 



It is a Vital Nutrient Phosphz'te, not an inert Laboratory Phosphate. 



56 Wr. 2.5th St., IvT. Y 



For sale by Druggists, or sent by Mail, -Si. 



& Hamlin Ornan and Piriiio 



Repairs Everything. 



T' iiciss has broiightalot of 



i- : ' '^ .■nnyiiieusia every way 



KL'member that T H IC 



■ . ] ,N UINE LcFaKe'sLtqiiia 



. .^nufncturudsolulyby tho 



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. 505. and loos. 

 14 FIRST PRIZE MEDALS. 



\VM. S. KIMBALL & CO. 



W. H. WALMSLEY & CO. 



SUCCESSORS TO 



B. & 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 ad- 

 dress. Mention Science 

 in corresponding with us. 



GOOD NEWS 

 TO LAD8ES. 



rof- 



turcd. ^^>w■=. y. 

 up orders for 

 Tei 



a beautiful Gold Bnnd i 



Koso ChlnaTftt Sot. Dinner Set, 

 I nose Toilet Set. Wnteh. Rniss Lamp, 

 orWelisier's IHitlonary. ForfuU partleularsnrtdrcss 

 TIIIC <;UEAT \>IERIC.\.\ TEA I'O., 

 P. O. liox JSK. 31 and 33 Vesey St.. New York. 



JACK NUMBERS and coraplcle seu of leading Mas 

 aiincs. Hatfs tow. AM. MAG. EXCHANGI 

 Schoharie, N.Y. 



J. GRUNOW 



631 .Sixth Avenue, New Y 



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. 



CALIFORNIA BLANKETS. 



JAMES McCKEERY & CO. have 

 received the first shipment ol their 

 celebrated brands of Fine Califor- 

 nia Blankets: "Silverado," "Santa 

 Rita," and "San Benito." They 

 will be placed on sale Monday, 

 Sept. 17, at the following' prices: 



10.4 11.4 12.4 13,4 14.4 



Silverardo 

 Santa Eita 

 San Benito 



5.50 

 6.00 

 6,75 



6.75 

 7.25 

 8.25 



8.00 9.50 

 8.50 10.00 

 9.75 11.25 



10.75 

 11,25 

 12.75 



These g-oods have been controlled 

 by us for many years, and are rec- 

 ommended tor their beauty and 

 durability. 



JAMES McCEEERY 5L CO. 



BROADWAY AND ELEVENTH STREET, 



NEW YORK. 



ESTERBROOK'S 

 STEEL PENS. 



OF SUPERIOR AND STANDARD QUALITY. 

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



J''or Sail; hj) all SlafiuuirH. 



THE ESTERBROQK STEEL PEN CO., 



Works : Oamden, N. J. -Hi John St.. New York. 



HYDRAULIC 



ELEVATORS and 

 WATER MOTORS. 



Send /or .\\-w Calahguc 



Tuerk Hydraulic Power Co. 



CHICAGO. NEWYORK. 



39 Dearborn St. 12 Cortlandt St- 



MAGIC Stereopticons and the Best Views. 



LANTERNS '""^ ''"''''''• Church, Home, and 

 Scientific Exhibitions. Best appa- 

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

 Years' Practical Experience. lilus. Catalogue Free. 



GEO. H. PIERCE, 

 136 S. Eleventh St., Philadelphia, Pa. 



Schools. 



Connecticut, Darien. 

 MEAD'S HOME SCHOOL FOR GIRLS 

 1 Young Ladies. Reopens October 4, i£88.. 



College preparatory and special courses in Music, Art, 



Languages, and Science. 



M^ 



Maryland, 1214 Eutaw Plac 

 TUJISS RANDOLPH'S SCHOOL 



Baltimore. 



Randolph, Principal. 

 An able and experienced corps of teachers offers unu- 

 lal advantages to the pupils of this school. 1214 Eutaw 

 lace, Baltimore, Md. 



Subscription Agents Wanted. 



A favorable arrangement will be made with a 

 responsible person in every community to solicit 

 and to receive subscriptions for the following 

 first-class publications: THE ART INTER- 

 CHANGE ; THE CHRISTIAN UNION ; 

 THE CRITIC ; THE FORUM ; GOOD 

 HOUSEKEEPING ; PUBLIC OPINION ; 

 and SCIENCE. This list includes a standard 

 periodical of every class, and they appeal to 

 every taste of educated readers. An agency for 

 these will afford light and profitable employ- 

 ment for responsible persons. 



READING CLUBS.— Those who belong 

 to REAIUXG CLUBS or contemplate forming 

 them would do well to address us. 



For terms address, with references : 



THE FORUM PUBLISHING CO., 



353 Filth Ave, Xow York. 



i>L^SSACHUSETTS, WaVERLEV. 



SELECT HOME SCHOOL FOR YOUNG LADIES. 

 Seven miles from Boston, on beautiful estate of 

 twenty-one acres. Thorough preparation for college, if. 

 desired. Backward pupils receive special attention. 

 Address Miss L. A. Hill. Principal. 



New York. Goshen. Orange Co. 

 TWriSS HOGARTH'S SCHOOL FOR GIRLS.- 



The ninth year will begin Sept. 5, 18S8. Thoi 

 instruction in English, Latin, French, German, Art and 

 Music. Special Attention to health and good manners 

 and to the development of practical c 



ugh 



New York, Tarr\to\vn-on-the-Hj.'dson. 

 AT MOUNT HOPE LADIES SEMINARY, 



$300 pays board and tuitions per school year. Music 

 and art only extras. Best advantages with home care.. 

 Opens Sept. 26th. 



ROBT. C. FLACK. A.M., Principal. 



New York, ao Ce.ntral Park. West at 6aD St. 



VAN NORMAN INSTITUTE (Founded 1S57). 

 Home .and Day School for Uidies and Children. 



MME. VAN NORMAN, Principal. 



V^ 



Vermont. Birlincton. 

 ERMOXT EPISCOPAL INSTITUTE. Boarding 

 School for Boys. Prepares for College or Business. 

 Militar>' drill. Terms moderate^ Fifty-seventh half-- 

 ycar opens September 3, 1SS8. Send for cat.ilogue. 



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



