No. 



[NEW SERIES.] 



MARCH, 1907. 



Entered at 

 Stationers Hall. 



SIXPENCE- NET. 



SEP 9.1 



168 



n Extraordinary Reptile. 



CONTENTS. 



Halley's Comet. 



^snYor S 



1 The Observation of Meteors and Meteoric 



Showers. 

 Features of the Earth and Moon. 



Practical Aerodynamics and The Theory 



of Aeroplanes. 

 The Face of the Sky for March. 



NOTES. — Astronomical, Botanical, Chemical, Geological, Ornithological, Physical, Zoological. 

 PHOTOGRAPHY. MICROSCOPY. REVIEWS. &c, &c. 



CATALOGUE (section 1- 

 MIGROSGOPES and 

 ACCESSORY APPARATUS. 



READY EARLY MARCH. 



Entirely rewritten and enlarged. 



C. BAKER, 



244. HIGH HOLBORN, LONDON. 



FOR — 



X-RAY, &c, 



APPARATUS, 



See the Advertisement of the ACTUAL 



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