324 
D. 
Dat, W. H., on the Extrusion of the 
Seminal Products in Limpets, 194. 
DautwceEr, the Rey. W. H., on Frus- 
tulia Saxonica and Navicula rhom- 
boides as Test-objects, 1. 
Additional Note on the 
Identity of Frustulia Saxonica and 
Navicula rhomboides, &c., 173. 
Diamonds, Specks in the Cape, 43. 
Diatomacee: on the Relation between 
the Development, Reproduction, and 
Markings of. By G. C. WALLIcH, 
M.D., 61. 
—— Typical Specimens of the, 100+ 
Diatom Earth of Richmond, US.A.,, 
294. 
Diatoms, some of the ‘Challenger’s,’ 158. 
Cleaning with Glycerine, 161. 
Dicotyledonous Root, Eriksson on the, 
97. 
Dicyema, Recent 
Kolliker’s, 250. 
Dionzea muscipula, the Structure and 
Movements of, 42, 155. 
Researches on 
Distoma sinense, the Structure of, 256. 
Donnanviev, M. A. L., ona New Acarite, 
283. 
DowpbeEswELL, G. F., on the Changes of 
the Fixed Corpuscles of the Cornea 
in the Process of Inflammation, 288. 
E. 
Echini, Researches on the, 42. 
Echinoids, the Structure of the, 208. 
Embryo, the Early Development of the 
Mammalian. By Mr. E. A. ScHAFER, 
32. 
Empusa muse, Mr. T. C. WHITE on, 
253. 
Entomostraca, British Fossil Bivalved, 
304. 
Eosin: a New Staining Fluid, 161. 
Epithelioma, a Novel Form of, 150. 
Errata in the President’s Address, 249. 
Exhibitor, The: a Novel Apparatus for 
Showing Diatoms, &e. By the Hon. 
and Rey. Lord 8. G. OsBorne, B.A., 
179, 311. 
F. 
Filaria heematica, Researches on, 157. 
Flounder, How the two Eyes of, come 
to the same side. By Mr. A. AassizZ, 
150. 
Focus of a Microscope, a Mode of alter- 
ing the, without altering the Position 
of either the Objective or the Object. 
By M. Govt, 205. 
INDEX. 
Foraminifera, Carboniferous and Per- 
mian, 303. 
— the late Professor Ehrenberg’s 
Researches on the Recent and Fossil. 
By T. Rurert Jones, 308. 
Forbes, the Death of David, F.R.S., 48. 
Foreign Journals, the Microscopical 
Contents of, 47, 98, 159, 214, 305. ° 
Fossil Earth of Richmond, U.S.A, 
100. 
Frustulia Saxonica, &c., 1, 173. 
Fungi on the Bones of a Whale, 43. 
Parasitic on Corals. By Dr. 
Duncan, 44. 
——— Reproduction in the Ascomycetes. 
By M. Cornt, 295. 
Fungus, Circulation in a, 255. 
G. 
Gems, Notes on “Inclusions” in. By 
Isaac Lea, LL.D., 198. 
GiarD, M. A., on the Modifications 
which the Egg of the (Hooded- 
eyed) Medusa undergoes before 
Fecundation, 247. 
Giieurt, Mr. W. H., on Volvox glo- 
bator and Spheerosira volyox, 210. 
Goopsir’s Arguments on the Develop- 
ment of the Teeth of certain Rumi- 
nants, 291. 
Govi, M., a Mode of altering the 
Focus of a Microscope without 
altering the Position of either the 
Objective or the Object, 205. 
5. 
Hair, Microscopical Researches on the 
Growth and Change of the, 153. 
Hammonp, W. H., Esq., Observations 
on the Structure of the Blood-cor- 
puscles of the young Trout, 282. 
Heart in Chicken, Development of the, 
157. 
Hennecuy, M., on the different Sex- 
uality of Volvox globator and VY. 
minor, 35. 
Heterotrichus inequarmatus, 283. 
Hospital Walls, Microscopic Examina- 
tion of, 153. 
Hyalosphenia lata. By J. G. TaTem, 
311. 
I. 
Illuminator, the, Van der Weyde’s 
Oblique, 49. 
Incubator, a Stage. By H. A. Rerves, 8. 
Ttacolumite, the Structure of, 254. 
