SCIENCE 







New Series. ^ ( ^ 

 Vol. XXI. No. 530. T) V> O T 



^FrTDAV FFRRTTATfV 94- 1 QO^ SINGLE Copies, 15 Cts. 

 TKIDAY, rt^BHUAHY Z-i, 1»U0. Annual Subscription, $5.00. 







THE NEW REFLECTING PROJECTION LANTERN 



for showing on the screen, photos, engravings, sketches, colored prints, flowers, 

 specimens, mechanical models such as the works of a watch, the dial of a galvanom- 

 eter, etc., all brilliantly lighted in natural colors. Cuts in books may be shown 

 without injury to the book. The outfit is arranged to show both opaque objects and 

 lantern slides, and the change from one to the other may be made instantly. 

 Attachable to anj^ electric magic lantern. Send for circular and list of Educational 

 Lantern Slides. 



Dept. M. 



•^liflZILLIHTWYS, BROiflZN & EHRLE-i^ 



918 Chestnut St., PHILADELPHIA, PA. 



"A Woman's Hardy Garden 

 Mrs. my s Another Hardy Garden Book 



Published next week. Illustrated Cloth, §1.75 net {postage ISc). 



■jV/TRS. ELY'S new book tells simply of 

 the raising of vegetables and the cul- 

 tivation of fruits for the home garden. It 

 gives instructions for transplanting, not only 

 trees, but the shrubs, flowers, and vines fVom 

 woods and meadowlands for an attractive 

 " wild garden." There is a long chapter on 



lilies and iris, their varieties, their periods of 

 blooming and their culture, giving some at- 

 tention also to water lilies and other aquat- 

 ics. The chapters on Spring and Aiuumii 

 work in the flower garden afford full and 

 precise directions lor all that is to be done 

 at those seasons. 



" Mrs. Ely is the wisest and most winning teacher of the fascinating art of 

 gardening that we have met in modern print. — New York Tribune. 



THE MACMILLAN COMPANY, Publishers, 66 Fifth Ave., N. Y. 



