270 



SCIENCE. 



Schools. 



Connecticut, New Haven, 



MRS. CADY'S SCHOOL FOR YOUNG LADIES. 

 Prepares for Smith and Wellesley, and admits to 

 Vassar by Certificate. Circulars. Early application 

 necessary. 



New Jersey, Plainfield. 

 'HE CHESTNUTS.— Parents with daughters to edu- 

 cate, or orphan girls with companion, may find a 

 nfortable home, with school instruction by applying to 

 ss E. E. Kenyon. 



Ne 



City, N. Y. 



■pOTANY, MICROSCOPY.-PRACTICAL courses 

 *-* at the New York College of Pharmacy open for 

 ladies and gentlemen from April 10 to end of June, in- 

 cluding botanical excursions and individual instruction 

 in microscopic work. For particulars apply to College, 

 309-213 East 23d St., or to PROF. J. SCHRENK, 

 Hoboken, N. Y. 



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 catalguc. 



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



GOOD NEWS 

 TO LADIES. 



Greatest moucement^ver of- 

 fered. JSow's your time to get 

 up orders for our celebrated 

 leas and Coffees, and secure 

 a beautiful Gold Band or Moss 



Kose China Tea Set, Dinner Set, 



Gold liiind Moss Rose Toilet Set, "Watch, Brass Lamp, 



or Webster's Dictionary. For full particulars address 



THE GREAT AMERICAN TEA C^O., 



P. O. Box 289. 31 and 33 Vesey St., New Vort. 



PRICE 

 * OF 



GRAVITY 



DROP 



ANNUNCIATORS. 



I>0^'T FOKGET THE 



DUST-PROOF BELLS. 



HAZAZER & STANLEY, 



32 FrankJort Street, N Y. 



Any one who will have the following blank filled out by a 

 responsible Newsdealer, and mailed to us, will be allowed a 

 three months' subscription to Science. 



N. D. C. HODGES, 

 47 Lafayette Peace, New York. 



To the ___ _ __ _ News Company. 



Yoii may acid to my regular order five copies of ScIE^'CE 

 each week [returnable^. 



jonr* ni\5TiN&5= -a=r=iiart= -jos^tripp, 



Ppes't. QenMani^sp. VPpes't. 



^ilujstk-atiVe 



AND ADVeRTISINQ 

 DURP©SES 



BRANCH -AT 7-2ac^E5Tl1UT5Ti 

 ^-'-^-^a^s PJiltADELPi11??v: P/V- 



iF-fi=l^ARK PLACE-, 



INEW YOR.K.'-l 



[Vol. XIIL No. 322 

 Established 1859. 



H. A. DREW, 



Commercial Printer, 



5 Clinton Place, near Broadway, 



New York- 

 Wedding Orders, Souvenirs, Invitations, Or- 

 ders of Dance, etc., etc., done in the latest and 

 most elaborate styles, at reasonable prices. 

 All Favors promptly attended to. 



PACES. THReE PAcfes. 



Himdred Thonsand new eabscribers for The Funily 

 Jontnal and Ladies* Companion wanted. It I0 th<B 

 tnqst InterestinET and instmctlTe paper ever ISBned 

 BabBorlbars will receive during tne coming twelv« 



MONTHS 



novels written by American Authors, complete In 

 each three nnmbers. The story of popular works of 

 fiction will be retold by a novel reader, the most In- 

 teresting and unique feature ever introduced In any 

 publication, riving the substance of popular and 

 standard booES by famous writers in a apace eully 

 read by the busiest peopl& We have engaged 



FOR 



this work % widely known and popular writer. Com- 

 mente on Current Events, Fashions, New and Origi- 

 nal Ideaa and Deelffna for Ladies' Fancy Work and 

 Household Decoration, Letters from Correspondents 

 and their Answers. The colleges and seminaries of 

 the United States will be treated one each month In 

 an illustrated artlclOj showing the paiticular ad- 

 vantage of each, coat of attendance, etc. Invaluable 

 to parents having sonr or daughters whom they de- 

 sire ahould receive the advantages of a higher edu- 

 cation than the ordinary echool affords. Articles on 

 Painting and Drawing, giving home instruction by a 

 well-known artist. A trial subscription of this ele- 

 gant paper wUl be sent to any address, three months, 



TEN CENTS. 



Liberal pay for literary work adapted to our col- 

 nnms, and for new and original drawings, deai£:ns 

 and ideas on any subject which we can use. 



Premium Llat the most complete in the world. We 

 offer InduoementB to club raisers and a^nts ap- 

 proached by no other publishing house. The cefe- 

 brated Gilbert Cut Waist Linings, which we send 

 post paid to any one sending us two yearly sub- 

 Bcribsra at 60 cents each is alone worth 76 cents. 



II*~Sent to any address, postpaid one year. 50 

 cents ) six months. 25 cents, and a three monthi* 

 trial subscription for on^ 10 ceuts. 



TRY IT! TRY IT! TRY IT! 



BBd yon will become a permanent reader. AddreBBi 



John L. Douglass, Publisher, 

 322 Broadway, N. Y, 



Brolers and Auctio7ieers. 



R. ELLIS & CO. 



BUSINESS, HOTEL AND PATENT BROKERS, 

 AUCTIONEERS, ETC. 



JTo. 176 BRO^nW^f, 



Room 46. JVetv JTorh. 



Clients Advised /rec oj" charge. 



J. p. TRAVER & CO., 



General Auctioneers, 



Real Estate and Bnsiness Brokers, 



OFFICE, 23 PARK ROW, 



Oppofite Post Office, (Rooms 14 & 15.) New York. 



Mortgages Foreclosed, Cash Advanced on Consignments, 



Property of Every Description Bought, Sold 

 and Exchanged. 



