Birmingham Microscopical Society,
Marine Excursion of the, 287.
Birth of a Rhizopod, the, 213.
Bismarck Brown as a Staining Mate-
rial, 297.

Blood-corpuscles, Structure of, 364.

Coloured, of Amphiuma tridac-
tylum, the Frog, and Man, the Struc-
ture of the, 57, 97.

Blood Fibrin, Formation of, 24.

Putrefied, the Septicity of, 279.
Bone of Fossil Reptile (Megalosaurus
Bucklandii), 35.

Borax in Vegetable Physiology, 299.
Botrydium granulatum, 376.
Bowerbank, J. S., LL.D., F.R.S., &c.,
Obituary, 28.

Box, a "New," for Microscopic Slides,

201.

a new Postal, for Slides, 201.
Brain, Application of Freezing Methods
to the Microscopic Examination of
the, 358.

the Structure of the, in different
Orders of Insects, 271.
Buzzing in Insects, the Causes of, 276,
373.

C.

Calcareous Sponges, a new Family of,
209.

Cap, Protecting, for Focussing under
Water, 283.

Capnodium Footii, 161.

Castracane, Count, on Diatoms, 152.
Cell-walls, Vegetable, Importance of the,
in the Phenomena of Nutrition, 362.
Cephalosiphon, 30.

Cestoid Host, a new, 254.
Chamber, a moist, 197.

Chemical Society, Soirée of the, 149.
Cheyletus, the Genus, on a Species of
Acarus of, 133.

venustissimus, 313.
Chrysalis Mimicry, 26.
Clay-slates, a Microscopical Study of
some Huronian, 220.

Cleaning Slides and Cover-glasses, 295.
Coal-measures, on the supposed Radio-

larians and Diatomace of, 255.
Coloured Liquids, Diatoms in, 79.
Colouring Microscopic Preparations,
new Process of, with a l'icro-aniline
Solution, 82.

Colours, the Ornamental, of Daphniadæ,
205.

Commercial Microscopy, 257.
Computation, on the Results of a,

relating to Tolles' & Objective, 142.
Congress, the American Microscopical,
253.

Conochilus and Melicerta ringens, the
Mastax-Framework in, 176.

Contractile Vacuoles of the Infusoria,
Physiology of the, 257.
Convergent Light, the Ordinary Mi-

croscope as a Polariscope for, 207, 292.
Conversazione of the Royal Society, 148.
Copepoda, Collecting, 368.

Coral, on a new, Stylaster stellulatus,
and Note on Tubipora musica, 41.
Cover Adjustment for Microscope Ob-
jectives, 251.

Glasses and Slides, Cleaning, 295.
Covering Glass, Thin, 298.
Crisp, Frank, on the Present Con-
dition of Microscopy in England, 121.
Crustacea and Annelida, the Optic Rod
in the, 284.

Crustacean, on an Ostracode, of a new
Genus (Acanthopus), 80.

Crystals, Microscopic, on the Measure-
ment of the Dihedral Angles of, 217,

274.

Curves, Lissajou's, 94, 160.
Cutaneous Glands, 344.

D.

Dallinger, Rev. W. H., on the Measure-
ment of the Diameter of the Flagella of
Bacterium termo, a Contribution to the
Question of the "Ultimate Limit of
Vision" with our present Lenses, 169.
Daphniadæ, the Ornamental Colours of,
205.

Dark-Field Illumination, a new Device
for, 347.

Death Point, Thermal, of a minute
Septic Organism, Experiments made
to determine its, 203.

Desiccation and Revival, Diatom, 26.
Development and Digestion, Insect, 144.
of Lichens, 346.

and Structure of Sponges, 223.
of the Tentacles in Hydra, Mode
of, 282.

Device, Simple, for the Illumination of
Balsam-mounted Objects, 246.
Diatom Desiccation and Revival, 26.
Parasites on a, 281.
Diatomaceæ of the Arctic Expedition,
the, 375.

Digestion and Development, Insect, 144.
Digestive Apparatus of Spiders, 199.
Dinamoeba, Feeding of, 216.
Discharge, Electric, in Gases, the Com-
pound Microscope applied to the Ex-
amination of, 287.

Disease, Splenic, Bacteria as Parasites
in, 87.

the Germ Theory of, 221.
Diseases, Typhoid and other Enteric,
on the Detection of Toxic Matter
connected with, 33.

Double Refraction, the Microscope ap-
plied to the Phenomena of, 276.
Dry v. Immersion Objectives, 154.

E.

Echinodermata and Turbellaria, Ani-
mals parasitic on, on the Ortho-
nectida, a new Class of, 23.
Electric Discharge in Gases, the Com-
pound Microscope applied to the
Examination of, 287.

Embryology of Sponges, the, 263.
Embryo of Terebella, Wartelia wrongly
considered as the, 355.

England, on the Present Condition of
Microscopy in, 121.

English Microscopes, the Fine Adjust-
ment of, 205.

Enteric, Typhoid, and other Diseases,
on the Detection of Toxic Matter
connected with, 33.

Eozoon, Palæozoic Fossils mineralized

with Silicates, in illustration of, 219.
Escape of small Animals from Aquaria,
280.

Excursion, Marine, of the Birmingham
Microscopical Society, 287.

Exhalation and Inhalation of Aqueous
Vapours by the Leaves, part played
by the Stomata in the, 334.
Exo-skeleton in Reptilia," a Contri-
bution to the Histology of the, 233.
Eyes of Insects, 225.

66

Gases, Electric Discharge in, the Com-
pound Microscope applied to the
Examination of, 287.

Gemmiparous and Fissiparous Repro-
duction of the Noctiluca. 331.
Geneva, Lake of, on an Ostracode Crus-
tacean of a new Genus (Acanthopus)
met with in the, 80.

Germ Hypothesis of Putrefaction, the,
373.

Theory of Disease, the, 221.
Germinal Matter of the Air, Schulze's
Mode of Intercepting the, 206.
Glands, Cutaneous, 344.

Glass, Optical Constants of, Influence
of Temperature on the, 283.
Glyciphagus plumiger, 209.
Gold Method, on the, 250.

"Granicones," on the Fossils called, 233.
Gulf Stream, Hydroida of the, 223.

H.

Hairs, on the Visibility and Optical
Aspects of, viewed from a Distance,
318.

Haliphysema Tumanowiczii not a
Sponge, 261.

Heliozoon, Apparent discriminative
power in the selection of Food by
a, 215.

Hepatic Organ, on a rare Form of the,
in the Worms, 366.
High-angled Objectives for Histolo-
gical Work, 81.

High Powers, the Binocular with, 221.
Histological Work, High-angled Ob-
jectives for, 81.

Histologists, a Test Object for, 148.
Histology of the Exoskeleton in
"Reptilia," a Contribution to the,
233.

Hooked Spines on the "Root-fibres"
of British Polyzoa, 200.
Host, a new Cestoid, 254.

Hot Stage, a new Form of, 191.
Hullite, 374.

Huronian Clay-slates, a Microscopical
Study of, 220.

Hutton, Professor F. W., on a new
Operculated Infusorian from New
Zealand, 49.
Hyalodiscus subtilis, 356.
Hydra, Mode of Development of the
Tentacles in, 282.

the Reproduction of, 267.
Trembley's Experiments on turn-
ing a, inside out, 249.

viridis, Abnormal Appearances
of, 80.

Hydroida of the Gulf Stream, 223.

Paraboloids, 192.

Prism, 309.

Infusoria, Rotatoria, &c., a Method of
Preserving, with their Organs ex-
tended, 189.

the Contractile Vacuoles of the,
Physiology of, 257.

,&c., Preparations of, 221.
Infusorian, on a new Operculated,
from New Zealand, 49.

Inhalation and Exhalation of Aqueous
Vapours by the Leaves, part played
by the Stomata in the, 334.
Insect Digestion and Development, 144.
Insects, Eyes of, 225.

, the Causes of Buzzing in, 276,
373.

Large-angled Immersion Objective
without Adjustment Collar, on a, 51.
Lawson, Dr., Obituary, 27.
Leaves, Ashes of, Microscopical Study
of the, 346.

Exhalation and Inhalation of
Aqueous Vapours by the, part played
by the Stomata in the, 334.

the Functions of, 334.

Liberation of the Zoospores, Anthero-
zoids, &c., in the Lower Plants, 342.
Lichens, Development of, 346.

Microscopical Slides of, 379.
Life-History of Bacterium termo and
Micrococcus, 350.

203.

of Filaria Bancrofti, the, 376.
of a minute Septic Organism, the,

of Spirillum, 352.

Life, the Phenomena of, Influence of
Repose and Motion in, 345.
Ligula, the Genus, 86.

Limit of Vision, Ultimate, with our
present Lenses, 169, 337.

to the Apertures of Microscopic
Objectives, on a Theoretical, 139.
Limits of Accuracy in Measurement
with the Microscope, 344.

of Microscopic Vision, 379.
Liquids, Diatoms in Coloured, 79.

the Movement of Microscopic
Particles suspended in. 146, 272.
Lissajou's Curves, 94, 160.

Low Temperature, Action of very, on
Bacteria, 25.

M.

Man, Amphiuma tridactylum, and the
Frog, the Structure of the Coloured
Blood-corpuscles of, 57, 97.

213.

Physiology of the Contractile Vacuoles
of the Infusoria, 257.

Vegetable, Borax in, 299.
Picro-aniline Solution, new Process of
Colouring Microscopic Preparations
with a, 82.

Planaria, Preservation of, 256.

P. angulatum, Effect produced on, by
excluding the Central Dioptric Beam
of Light, 186.

Polariscope for Convergent Light, the
Ordinary Microscope as a, 207, 292.
Polarizing Microscope in Mineralogy,
the, 209.

Polycystina and Foraminifera of the
North Polar Expedition of 1875–76,
194.

Polyzoa, Hooked Spines on the Root-
fibres of British, 200.

Postal Box for Slides, a new, 201.
Powers, High, the Binocular with, 221.
Preparation and Staining of Bacteria,
the, 268.

of thin Sections of Objects of dif-
ferent consistency, the, 274.
Preparations of Infusoria, &c., 221.

Microscopic, new Process of
Colouring, with a Picro-aniline So-
lution, 82.

Preservation of Planaria, 256.
Preserving, Examining, and Photo-
graphing Bacteria, on, 195.

the Rotatoria, Infusoria, &c., with
their Organs extended, a Method of,
189.

President's Address, the, 1.
Prism, Immersion, 309.

Probosces, Perforating, of Moths, 307.
Proceedings of the Society, 30, 33, 36,

93, 95, 159, 162, 164, 307, 388, 392.
Projection of Microscope Photographs,

Radiolaria, the, 210.

Radiolarians and Diatomaceæ, on the
supposed, of the Coal-measures, 255.
Raphidiophrys pallida, 379.
Refraction, Double, the Microscope
applied to the Phenomena of, 276.
Report, Annual, of the Society, 39.
Repose and Motion, the Influence of, in
the Phenomena of Life, 345.
Reproduction of Hydra, the, 267.

the Gemmiparous and Fissipar-
ous, of the Noctilucæ, 331.
Reptile, Fossil (Megalosaurus Buck-
landii, Bone of, 35.

Reptilia, a Contribution to the Histo-

logy of the Exo-skeleton in the, 233.
Resolving Test Objects, Apparatus for,