THE GUIDE TO NATURE.— ADVERTISEMENTS. 



XIII 





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^ ,/-^lB3»**T/ . t> REM0VAICA6E 



Dodson's Sparrow Trap^ 



Does the work automatically and humanely. 

 £?0n ^" *-*■ ^' Kankakee, 111. Sparrows fight 

 fi»M^2__ 3"d drive out song birds. They are 

 V^' noisy, quarrelsome and destructive. 



This trap catches them by the hundreds as soon 

 as set. Rid your yard of these pests. No other 

 trap like it. 



Dodson's Tree Guard 



keeps cats, squirrels and other animals out of 

 trees, protecting birds' nests and the trees them- 

 selves. Squirrels gnaw holes in your houses. 

 35c Per Lineal Foot— F.O. B. Kankakee 



Expands with tree. Simple and easy to attach. 

 About three feet required for average tree. Both 

 of these devices are made by a man who has spent 

 over twenty years in the study of birds. Dodson's 

 Bird Houses are in every State in the Union. 

 Price $1.50 to $65.00 in twenty styles. Guaranteed 

 to attract song birds. Send for free booklet describ- 

 ing these ingenious devices. 



JOSEPH H. DoDSON. 714 Harrison Ave.. Kankakee, III, 



Mr. Dndson is a director nf the Illinois Audubon 



Society 



The Up-to-Date Photographer 

 Should Use a 



COE(?Z 



LENS 



lyjO better all around anastigmat lens 

 ^ ^ was ever produced than the fam- 

 ous GOERZ DAGOR F:6.8.— F:;.?- For 

 studio, group and general utility work 

 the well-known GOERZ CELOR F:4.5- 

 F:5.5 has an enviable reputation. For 

 the photographer who desires a GOERZ 

 LENS of true GOERZ QUALITY at 

 a moderate price the GOERZ SYNTOR 

 F:6.8 meets every requirement. The 

 GOERZ PORTRAIT HYPAR F:3.5— 

 F:4.5 enables the portraitist to express 

 his highest art unhampered by the usual 

 limitations of speed and delicate model- 

 ing. The new GOERZ ROTAR F:8 is 

 an exceptionally fine all around photo- 

 engraving and general purpose lens. See 

 your dealer or write to us direct. 



C. p. Goerz American Optical Co. 



317 G East Thirty-fourth Street 

 New York City 



GOLD MEDAL CRAYONS 



Highest Award 

 for Crayons 

 and Chalks 



MEDAL 



OF 

 HONOR 



Panama-Pacific 

 International 



Exposition 



San Francisco 



1915 



"SPECTRA" 



PASTEL CRAYON 



EIGHT COLORS 



Binney & Smith Co. 



, New York 

 London - Paris - Hamburs- 



Ly 



We are pleased to announce this additional 

 award which is higher than a Gold Medal. 



Samples of our Superior Crayons and Chalks 

 together with colorchartswijlbe senton request 



BINNEY & SMITH CO. 



Makers of the Gold Medal Crayons 

 81-82 Fulton St., New York, N. Y. 



LONDON PARIS HAMBURG 



The Nature Study Review 



The One Journal Wholly Devoted to 

 Practical Nature-Study 

 Over 400 pages each year of typical les- 

 sons, garden work, bird study, elemen- 

 tary science, and suggestions worth many 

 times the price. 



It will keep you in touch with the 

 worth-while work of your fellow teach- 

 ers in all parts of the country. 



I2th Year. Growing better each year. 



Special Features this School Year. 



Beginning in the September, 1916 num- 

 ber, Mrs. Anna Botsford Comstock will 

 contribute Nature Study work for 2nd 

 and 5th Grades each month. 



Professor Liberty Hyde Bailey will 

 have an article each month. Many other 

 well known teachers will contribute. 

 $1.00 per year (Nine Issues) 15c per copy 

 Add for Canadian Postage loc. Foreign 

 Postage 20c. With "Guide to Nature" 

 one year $1.50. 



ORDER NOW 



Send Stamps, Money Order or Check 

 Direct to 



THE NATURE-STUDY REVIEW 

 Ithaca, New York 



