46 



THE MUSEUM, 



No. 1 Rival Camera and Outfit. 



ConsistiDK of Camera Plate, Printins; Frame. Blue 

 Process Paper, Card Mount, Box of Hypo,, Ruby 

 Lamp, Paper, bottle of dry Developer, book of in- 

 .structions. Price, 50c, Postage, 10c. 



Rival No, 3 same as above but better outfit with 

 time and iDstantineous shutter, SI, Postage, l.ic, 



"MlNIiTCRE" PHOTOGRArH CAMERA AND OHTITIT, 



This Camera has a Plate Holder and ground focuss- 

 ing glass, detached from the Camera, You can have 

 extra Plate Holders, Tlie "Miniature" has a Genuine 

 Lens that will take pictures eqtial to much higher 

 priced cameras. The outfit consists of a prettily fin- 

 ished Camera with Genuine Lens, ground or focussing 

 glass in frame. Improved Plate Holder. Dry Plates, 

 Developer, Hypo, Toning Chemicals, Sensitized Paper. 

 Instructions, all packed in a neat box. Price, com- 

 plete, SI, 03, Pottage, l.ic. 



The "Perfect" Camera and Printing- Outfit, 



Price of the Perfect, iuclnding one Plate Holder and 

 Complete Developing nud Prmting Outlit JI.F.O, 

 Ext ress prepaid for I.io, E.xtra Plate Holders, 2,ic. 

 Write for catalggue, please mention name of paper- 



FREDERICK L. SILVEY. 



100 Na=.';,-iii St , New York, 



^A/RITE US 



for our CatilosuB of Scientific and Lit- 

 erary Courses of Study. We are uoakinfc a 

 revoliiiion in Conespoadeuce StiK)y, 7 3 

 coursp.s :iie oU'ered for 1898, fnilirac'ms 8 

 languages and 20 courses in iin'.hcniatiis, 

 besides many ollier.s. Send quick. 



The Correspondence School of Science d Literatuiti, 



BiTliaiii J. Bisliop, Priuoipal. 



Wyandotte, Mich. 



GEO. G. CANTWELL, 



JUNEAU, ALASKA, 



Rare Alaskan, Birds' 

 Eggs and Indian Curios. 



vlust bacli from an extensive 

 collecting trip along the coast. 



5.x8 views of llie gold fields. JiiDe.iii, Dyea, 

 tJkagaway, Chilkat Pass, IVlines eiii-niite and 

 all points of interest almong the Yukon, 



50c cacb. $5.00 itssorted dozen. 



Send for price list. 



This is my 

 Proposition. 



Let me send, for Tour in.spection, charf^es postpaid, 

 35 of the Kaiiioiis Quartz Crystals found at 

 this place. It this collecilon of UriUiani t Irui.-i pleases 

 you, kindly .send 70 cents only, otherwise return the 

 collection 'and it will be O, li. Highest Award at the 

 World's Fair, Order today, 



2to A. B. CRIM, 



9IidaieviIIe, HerUinier Co., ?*. Y. 



Sketches of Some 

 Common Birds, 



By Prof. P. M. Silloway. of Illinois. 



No belter hook could le ,=elecled for a Nat- 

 uralist friend. It is only $1 TiO prepaiil. Send 

 at ouce. o.j2 pages, linely bound in cloth, and 

 beautifully illustrated liy halftones, 



WALTER F. WEBB, Mgr., 

 ALBION, N, y 



Look Over Your old Magazines 



If you have any numbers or complete sets 

 of auv old magK/.ines, such as Niilologists, 

 Ospreys O6ulogi>t & Orniihologisls and es- 

 pecially back iiuuil)ei's of the one hundred 

 and one small ornithological uublii-alions is- 

 sued between l.'-8U and 1897, send us list at 

 once. We will tive good exchange for any 

 old back iiumljers of papers devoted to nat- 

 ural science. Let us hear from jou at once. 



W. F. WEBB, Mgr., 



Albion, N. Y. 



50 YEARS' 

 EXPERIENCE 



Trade Marks 

 Designs 

 Copyrights &c. 



Anyone gendiiig a sketch nnd description may 

 quickly :X3<'ert;iin onr opinion free whether nn 

 Invention i*; prohnlilv p.atentjilile, Cnninnuiica- 

 tionsstrictlvfniitirtoiitial. Handbook on Patents 

 sent free. oliU-st :iL'eiicy for securing patents. 



Patents talcon Ilin.uKh Mlinn & Co. receive 

 special riotke, wiltnuit clian-'C, in the 



Scientific Htnerican* 



A handsomely illustrated weekly. Iinrpest cir- 

 ( .'Kition of any srientiflc journal. Tornia. $3 a 

 V'-ir; four months, $1. Sold by all newsdealers. 



|:'JNN&Co.3«'«^''^''"='^' New York 



raoch Olllce. C25 F St., Washington. D. C. 



WAN I'ED.— U. S. Ba.tertiies and Moths 

 and li\ e Cocoons for cash or good exchange 

 in U. S. and Eiiroiieaii Lepidnpiera. CHAS. 

 SCHLIETER, (iOl Christiana Ave,, Chicago, 

 III, 2toD 



