THE NA TURK- S TUD V RK VIE W 



YOUR PAID SUBSCRIPTION INCLUDES THE MONTH SHOWN ON 

 ADDRESS-LABEL ON WRAPPER 



If you have not already ordered renewal, kindly send a postal card today 

 with your name, address, and the words "N. S. R. wanted 1907." This 

 will keep your name on the printed mailing list and make sure that you will 

 miss no copies. 



WANTED JAN., FEB. AND SEPT. 1906 ISSUES 



In order to complete sets ordered by new subscribers the publisher needs 

 at once copies of Jan., Feb., and Sept., 1906, For each copy returned 

 unfolded in good condition, 20 cents will be paid, or any other two past 

 or future numbers will be sent in exchange. Mail in envelopes, flat, to 

 Secretary of N. S. Review, 525 W. 120 St., New York. 



SPECIAL OFFERS 



The complete sets advertised in the October and and November issues 

 can no longer be supplied at prices stated. We have many sets of Vol. I, 

 1905. January, February and September, 1906, can no longer be supplied 

 except at 25 cents per copy, which is less than cost of purchasing and mailing 

 second-hand copies. 



Special offers are now as follows : 



(i) Sets of all issues for iQO^, printed " Sample Copy " on cover, 

 otherwise perfect and valuable as regular copies, />-<?<? to new subscribers who 

 send 20 ce7its for postage and packing or to any subscriber who sends a new 

 subscription. 



(2) All back numbers except fan., Feb. and Sept.,' 06 and subscription to 

 end of igoj , (j) years iov ^1.90. Jan., Feb. and Sept., '06 for 25 cents extra, 

 if copies can be purchased from old subscribers. 



(3) Any igo6 issue (see contents table on another page) for 10 cts. 

 each ; igo6 issues 75 cts. each, except fan., Feb. and Sept. at 25 cents. 



(4) Bou7id volumes. Vol. I, 1905, $1.25 ; Vol. II, 1906, 3 unsold copies 

 only will be available in Jan., 1907, $3.00. Vol. I and new subscription 

 for one year, $1.90. 



(5) First two years complete except Jan., Feb. and Sept., '06. (See 2 

 above) for $1.50. 



A STUDY IN COTTON 



Neat box containing : 



Miniature Bale, Box of Seed, Box of Seed Hulls, Box of Seed Meal, 

 Cotton Flower Photograph, Cotton Leaf and Green Boll Photo, Vial of Crude 

 Oil, Vial of Refined Oil, Natural Ripe Boll, And some Loose Locks. 



Highly recommended by many teachers. 

 Price |i.oo. A. G. HELMER, Helmer, Ga. 



CALIFORNIA MARINE SPECIMENS 



Shells, Starfish, etc., attractively and scientifically prepared and labeled. 

 Instructive and interesting to teacher and pupil. 

 Send 2C stamp for list now, today. 



WILLET H. HILLER, Naturalist, 

 P. O. Box 659. San Pedro, Gal. 



