INDEX. 
K, 
Kallispongia, a curious new Sponge, 
251. 
L. 
Lavas, on the Lower Silurian, of Eycott 
Hill, Cumberland. By J. Cuirron 
Warp, 239. 
Lea, Isaac, LL.D., Notes on “ Inclu- 
sions” in Gems, 198. 
Lerpy, Professor, Observations on Rhi- 
zopods, 32, 259. 
on Certain Ameoebe, 89. 
— — on the Structure of Centro- 
pyxis, 149. 
Lichens and Fungi, the Formation of 
Spores in, 211. 
Limpets, on the Extrusion of the 
Seminal Products in. By W. H. 
Dat, 194. 
Liver, the Lymphaties of the, 152. 
Lymphatics of the Joints, 295. 
M. 
Magelona, the Circulatory System in, 
258. 
Marsh Poison of the Campagna, Micro- 
scopic Investigation of the, 91. 
Medullary Nerve Sheath, Tubular 
Degeneration of the, 210. 
Medusa, the Modifications which the 
Egg of the (Hooded-eyed) undergoes 
before Fecundation. By M. A. Grarp, 
247. 
Meteorites, the Structure and Origin of, 
293. 
Microscope, American Work with the, 38. 
Professors Helmholtz and Abbe 
on the Optical Powers of the. By 
H. E. Fripp, 103. 
— ls Vision with it Finite or Un- 
limited ? 306. 
Microscopic Vision, 160. 
Microscopy at the American Exhibi- 
tion, By R. H. Warp, M.D., 25. 
Microtome, a New, 216. 
Mr. Lewis’ Freezing, 300. 
Monads, the ambiguous Position of 
the, 97. 
Mr. Dallinger’s Lecture on, at the 
Royal Institution, 293. 
Moriey, Epwarp W., Measurements 
of Rulings on Glass, 137. 
Mosses, Experimental Observations on, 
209. 
Moths, the Anatomy of, 40. 
Muscular Fibres, the Examination 
of, 39. 
Mushroom, the Structure of the 
Common. By Mr, Worruineron 
Smivu, 36. 
325 
N 
Navicula crassinervis, N. rhomboides, 
and Frustulia Saxonica, as Test- 
objects. By Rev. W. H. Dat- 
LINGER, 1. 
— Additional Note on the 
Identity of. By Rev. W. H. Dat- 
LINGER, 173. 
Nerves, the Relation between Activity 
of, and the Size of their Sheath, 44. 
New Books, wirn SHort Norices :— 
The Fungus Disease of India: a 
Report of Observations, 31. 
How to choose a Microscope, 89. 
The Microscope and its Applica- 
tion, 144. 
O. 
Objectives, Mr. Spencer’s, 99, 216, 262. 
Opal, the Structure of Precious, 45. 
Remarks on the Structure of 
Precious, 296. 
OspornE, Lord S. G., B.A., the Ex- 
hibitor: a Novel Apparatus for 
showing Diatoms, &c., 179, 311. 
Oscillatoria and Bacteria, 208. 
Oysters, the Sporules of Seaweeds the 
cause of Colour in, 40. 
P; 
Packarp, Mr. A. §., jun., a Contest 
as to Priority of Discovery, 93. 
PALMER, Tuomas, B.Sec., on the 
various Changes caused on the 
Spectrum by different Vegetable 
Colouring Matters, 225, 
Panceri, Death of Professor, 264. 
Phallus fcetidus, 45. 
Phytoptus of the Vine, on the. By 
Professor G. Brrost, 181. 
Plants, the Embryonic Membranes in, 
154. 
Pollen, Notes on. 
G. Suita, 9. 
Priority of Discovery, a Contest as to. 
By Mr. A. 8. Packarn, jun., 93. 
PROCEEDINGS OF SucIETIES :— 
Dunkirk (N.Y.) Microscopical So- 
ciety, 55. 
Liverpool Microscopical Society, 54, 
171, 223. 
Medical Microscopical Society, 109, 
169, 222, 316. 
Quekett Microscopical Club, 111, 
318. 
Royal Microscopical Society, 51, 107, 
162, 219, 265, 268, 313, 314. 
Royal Society, New South Wales, 
319. 
San Francisco Microscopical Society, 
Of, LES M7 320: 
Pyenidia, the Origin ef, 210, 
By Worruineton 
