IV 
CONTENTS. 
PAGE 
The Hydroid Medusae. By Rev. T. Hincks, B.A., F.R.S. Illus- 
trated ... ... ... ... ... 337 
The First Chapter oe the Geological Period. By David 
Forbes, F.R.S., &c. ... ... 349 
Electrical Signalling and the Siphon Recorder. By J. Munro, 
Assistant to Sir W. Thompson. Illustrated ... ... ... 358 
Spontaneous Movements in Plants. By Alfred W. Bennett, M.A., 
B.Sc., F.L.S. Illustrated. 368 
News erom the Stars. By R. A. Proctor, B.A., Hon. Sec. R.A.S. 381 
Liee-Forms oe the Past and Present. By Henry Woodward, 
F.G.S., FZ.S. Illustrated 
391 
Reviews oe Books 
... 66, 177, 288, 450 
Scientific Summary: — 
Astronomy 
... 79, 191, 303, 414 
Botany ... 
... 83, 195, 308, 417 
Chemistry 
... 86, 200, 312, 419 
Geology and Palaeontology 
... 88, 204, 316, 422 
Mechanical Science 
94,206, 320 
Medical Science 
... 97,209,322,424 
Metallurgy, Mineralogy, and Mining ... 
... 102,211,326,428 
Microscopy 
... 104,213,327, 426 
Physics 
... 107, 217, 330, 429 
Zoology and Comparative Anatomy ... 
... ;110, 219, 333, 431 
