340 
Objectives, on the Focal Length of 
Microscopic. By Cuas. R. Cross, 
149. 
(isophagus, on the Taxonomic Value 
of the Sheath of the, especially as 
regards Sauropsida. By Prof. GuL- 
LIVER, 287. 
Organisms, Death of Minute. By Joun 
Ducat, M.B., 167. 
—,, on Certain Cattle Plague. By 
Boyn Moss, F.R.C.S., 312. 
Oxy-calcium Light as Applied to Photo- 
micrography, Further Remarks on. 
By Col. J. J. Woopwarp, 64. 
Pp, 
Palzocoryne, a New Fossil Hydrozoon, 
Parasite, a Curious Flesh. 
Trpury Fox, 167. 
——, on a New Species, from the Tiger. 
By Grauam Penton, F.Z.S., 147. 
Pennicilium Torula and Bacterium, 
Prof. Hux Ley on, 230. 
Prenton GRAHAM, F.Z.S., on a New 
Species of Parasite from the Tiger, 
147. 
Perxins, Dr. H. C., on the Circulation 
of the Latex in the Laticiferous 
Vessels, 146. 
Peronospora, a New, Parasitic on 
Cactus. By MM. Leserrt and Coun, 
107. 
Pheronema Grayi, W. 8. Kent, 243. 
Photometer, a New. By M. Nacant, 
166. 
Pleurosigma Angulatum and Quad- 
ratum, on the Structure of. By Dr. 
Joun AntHony, 121. 
Podura Scale, Cursory Remarks on the. 
By R. L. Mappox, M.D., 67. 
Pontobdella verrucata, the Structure 
of. By M. Leon Vaiuuanrt, 45. 
‘Porcupine, Animals dredged up by 
the, 229. 
——,, the Scientific Exploration of the, 
234 
By Dr. 
PROCEEDINGS OF SOCIETIES :— 
American Academy of Natural 
Sciences, 179. 
Brighton and Sussex Natural History 
Society, 59, 117, 173, 330. 
Bristol Microscopical Society, 120. 
Liverpool Microscopical Society, 335. 
Manchester Literary and Philo- 
sophical Society, 116. 
Oldham Microscopical Society, 336. 
Oe we Microscopical Club, 116, 171, 
INDEX. ee Microscopical 
Journal, Dec. 1, 1870. 
PROCEEDINGS OF SocreTins—vontinued. 
Reading Microscopical Society, 333. 
Royal Microscopical Society, 51, 288, 
321. 
Tunbridge Wells Microscopical So- 
ciety, 336. 
Puccinia Anemones. By A. M. Ep- 
warps, 161. 
Q. 
Quekett Club, President of the, 112. 
R. 
Rocks and Minerals, the Microscopic 
Examination of. By 8. Arort, 
F.G.8., 98. 
Royston-Picort’s, Dr., M.A., Aplanatic 
Searcher, 42. 
on the Optical Advantages of 
Immersion Lenses, and the Use of 
Deviation Tables for Optical as 
search, 20, 134. 
on the Advancing ‘Aplanatic 
Power of the Microscope, and New 
Double-Star and Image Tests, 254. 
—— on Aplanatic Definition and Illu- 
mination, with Optical Illustrations, 
296. 
S. 
Saviorr1, Signor, on the Passage of 
Pigment Cells through the Capil- 
laries, 43. 
Scumipt, Dr. H. D., on the Microscopic 
Structure of the Human Liver, 69. 
Semmer, K., Results of the Injection of 
Parasitic Spores into the Blood of 
Animals, 317. 
SreBoD, Prof. Von, on Psedogenesis in 
the Stylopide, 235. 
Sicrrson, Dr. G., a Microscopic Exami- 
nation of the Atmosphere, 93. 
Stack, H. J., on the Patterns of 
Artificial Diatoms, 181. 
Sorsy, H. C.,on the Application of the 
Microscope to the Study of Rocks, 
148. 
Soundings, on the Preparation of Speci- 
mens of, for the Microscope. By 
A. M. Epwarps, 144. 
Specimens, Air-tight, 235. 
Spectroscope Tables, Mr. Brownine’s, 
320. 
Spermatozoa, Experiments on, 316. 
Spirogyra, Influence of Light on the 
Cells of, 112. 
