CONTENTS OE VOL. VIII 
PAGE 
FLYmG Machines. By Fred. W. Brearey, Hon. Sec. to the Aero- 
nautical Society of Great Britain. Illustrated ... ... ... 1 
The Compound Ete oe Insects and Ckustacea. By Henry 
Fripp, M.D. Illustrated ... ... ... ... 12 
Tkue and False Flint Weapons. By N. Whitley, C.E., Hon. 
Sec. to the Boyal Institution of Cornwall. Diagram ... ... 30 
The Planet Mars in February 1869. By Eichard A. Proctor, 
B.A., F.R.A.S. Illustrated... ... ... ... ... ... 39 
On the Molecular Origin oe Ineusoria. By J. Hughes Bennett, 
M.D., F.R.S.E. Diagrams 51 
The CUTTLE-EISH. By St. George Mivart, F.Z.S. Illustrated ... Ill 
The Nature oe the Interior oe the Earth. By David Forbes, 
F.E.S. 121 
On the Use and Choice oe Spectacles. By R. Brudenell Carter, 
F.R.C.S. Diagrams ... ... ... ... ... ... 131 
The Use oe the Spectroscope in Astronomical Observation. 
By R. A. Proctor, B.A., F.R.A.S. Illustrated ... ... ... 141 
The British Lion. By W. Boyd Dawkins, M.A., F.R.S. ... 150 
Passion Flowers. By Maxwell T. Masters, M.D., F.L.S. Illus- 
trated ... ... ... ... ... ... ... 159 
The Natural Development oe Bacteria in the Protolamic 
Parts oe Various Plants. By M. A. Bechamp 166 
The Sertularian Zoophytes oe our Shores. By the Rev. T. 
Hincks, B.A. Illustrated ... ... ... ... 223 
Hydrogenium. By Robert Hunt, F.R.S 233 
The Structure and Aeeinities oe the Sea-squirts (Tunicata). 
By J. C. Galton, M.A., F.L.S. Illustrated 240 
The Planet Saturn in July 1869. By R. A. Proctor, B.A., 
F.R.A.S 252 
The Fertilisation oe Salvia and oe some other Flowers. By 
Wm. Ogle, M.D. Illustrated ... .. ... 261 
In Articulo Mortis. By Benj. W. Richardson, M.D., F.R.S. ... 275 
