The Publisher will mail this Journal to any Address in the United States, for one year, on receipt of 
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No. 19. Series. July 1881. 
[2s. 6d. 
THE POPULAR 
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EDITED BY W. S. DALLAS, F.L.S. 
Assistant-Secretary of the Geological Society. 
CONTENTS. 
The Movement of Plants. 
By the Bev. George Henslow, M.A., F.L.S., F.G.S. (Illustrated). 
The Centenary of the Discovery of Uranus. 
By W. F. Denning, F.R.A.S. (Illustrated). 
The Eye-like Spots in Fishes. 
By Professor H. Jeffrey Bell, M.A. (Illustrated). 
The Blackheath Subsidences. By t. y. holmes. 
Scientific Teaching. By w. Stone, m.b., f.r.c.p. 
REVIEWS. 
The Cat — Muscles and Nerves — The Brain — The Spirit of Nature — Anthropology 
— Monticulipora — Systematic Mineralogy— Sight — A Geologist's Notebook — Tin. 
SCIENTIFIC SUMMARY. 
Chemistry— Geology and Palaeontology — Mineralogy — Physics — Zoology. 
ILLUSTRATED. 
LONDON : 
DAVID BOGUE, 
3 ST. MARTIN’S PLACE, TRAFALGAR SQUARE. 
LONDON : PRINTED BT STRANGEWAYS AND SONS, TOWER STREET, UPPER ST. MARTIN’S LANE. 
T1 First Series, edited by Dr. H. Lawson, may be bad complete in numbers, price 
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