NOTICES AND ABSTRACTS

OF

MISCELLANEOUS COMMUNICATIONS TO THE SECTIONS.

MATHEMATICS AND PHYSICS.

MATHEMATICS.

...

Address by G. G. STOKES, M.A., F.R.S., Lucasian Professor of Mathematics
in the University of Cambridge, President of the Section.

Rev. F. BASHFORTH on Capillary Attraction..

Professor BOOLE on the Differential Equations of Dynamics..

Rev. Dr. BOOTH on an Instrument for describing Geometrical Curves; invented

by H. Johnston

.....

Professor A. CAYLEY on a certain Curve of the Fourth Order.

on the Representation of a Curve in Space by means of

a Cone and Monoid Surface

Mr. W. ESSON on the Curvature of the Margins of Leaves with reference to

their Growth...

3

3

Sir WILLIAM ROWAN HAMILTON, Quaternion Proof of a Theorem of Reci-

procity of Curves in Space ..

4

Rev. ROBERT HARLEY on a certain Class of Linear Differential Equations ..

Mr. T. A. HIRST on the Volumes of Pedal Surfaces....

4

5

Professor WILLIAM JOHN MACQUORN RANKINE on the Exact Form and Mo-

tion of Waves at and near the Surface of Deep Water.

5

.....

Mr. W. H. L. RUSSELL on Recent Discoveries made in the Calculus of

Symbols.

Mr. C. M. WILLICH on some Models of Sections of Cubes

ASTRONOMY.

Mr. ISAAC ASHE'S Cosmogonical Speculations

8

Mr. W. R. BIRT on a Group of Lunar Craters imperfectly represented in Lunar

Maps...

9

Rev. Professor CHALLIS on the Augmentation of the Apparent Diameter of

a Body by its Atmospheric Refraction...

12

on the Zodiacal Light, and on Shooting-Stars ...

12

22

Professor HENNESSY on some of the Characteristic Differences between the

Configuration of the Surfaces of the Earth and Moon

14

Mr. WILLIAM LASSELL on a Brilliant Elliptic Ring in the Planetary Nebula,

AR 20° 56', N.P.D. 101° 56'

14

Rev. R. MAIN, Observed R.A. and N.P.D. of Comet II. 1862

on the Dimensions and Ellipticity of Mars.....

Page

15

Mr. J. NASMYTH on some Peculiar Features in the Structure of the Sun's Sur-

face....

15

16

Mr. NORMAN POGSON'S Observations on Three of the Minor Planets in 1860.

(Communicated by Dr. LEE.)

16

17

17

17

Mr. W. OGILBY on the Excentricity of the Earth, and the Method of finding

the Coordinates of its Centre of Gravity

M. J. SCHVARCZ on the probable Origin of the Heliocentric Theory
Rev. Professor SELWYN on Autographs of the Sun. ....

Mr. W. SPOTTISWOODE on the Hindâ Method of Calculating Eclipses
M. C. J. VILLA on some Improved Celestial Planispheres

LIGHT AND HEAT.

Mr. A. CLAUDET on the Means of following the Small Divisions of the Scale

regulating the Distances and Enlargement in the Solar Camera . . . . . . . . . .

M. A. DES CLOIZEAUX sur la Relation entre les Phénomènes de la Polarisation

Rotatoire, et les Formes Hémièdres ou Hémimorphes des Cristaux à un ou

à deux Axes Optiques.....

Mr. JAMES CROLL on the Cohesion of Gases, and its relations to Carnot's

Function and to recent Experiments on the Thermal effects of Elastic Fluids

in Motion..

Rev. J. DINGLE on the Supernumerary Bows in the Rainbow...

Dr. ESSELBACH on the Duration of Fluorescence

Mr. J. M. MENZIES on an Optical Instrument which indicates the Relative

Change of Position of Two Objects (such as Ships at Sea during Night)

which are maintaining Independent Courses

Rev. J. B. READE'S Experiments on Photography with Colour.

Mr. J. SMITH on the Complementary Spectrum....

Mr. CHARLES TOMLINSON on the Motion of Camphor, &c. towards the Light 23

ELECTRICITY, MAGNETISM.

Mr. JAMES CROLL on the Mechanical Power of Electro-Magnetism, with spe-

cial reference to the Theory of Dr. Joule and Dr. Scoresby

24

Dr. ESSELBACH on Electric Cables, with reference to Observations on the

Malta-Alexandria Telegraph .

26

Mr. JOHN BALL on the Determination of Heights by means of the Barometer

Rev. Professor CHALLIS on the Extent of the Earth's Atmosphere

28

29

Mr. F. GALTON on the "Boussole Burnier," a new French Pocket Instrument

for measuring Vertical and Horizontal-Angles.

...

on European Weather-Charts for December 1861.....

Dr. GLADSTONE on the Distribution of Fog round the Coasts of the British

Islands

.....

Mr. J. GLAISHER on a New Barometer used in the last Balloon Ascents

Mr. J. PARK HARRISON on the Additional Evidence of the Indirect Influence

of the Moon over the Temperature of the Air, resulting from the Tabulation

of Observations taken at Greenwich in 1861-62.

Professor HENNESSY on the Relative Amount of Sunshine falling on the

Torrid Zone of the Earth

.....

Mr. E. J. LOWE on the Hurricane near Newark of May 7th, 1862, showing

the force of the Hailstones and the violence of the Gale

...

Mr. ROBERT MALLET'S Proposed Measurement of the Temperatures of Active

Volcanic Foci to the greatest attainable Depth, and of the Temperature,

state of Saturation, and Velocity of Issue of the Steam and Vapours evolved 33

Mr. T. L. PLANT on Meteorology, with a Description of Meteorological Instru-

ments.

34

Rev. T. RANKIN's Meteorological Observations registered at Huggate, York-

shire

Mr. S. A. ROWELL'S Objections to the Cyclone Theory of Storms

Mr. G. J. SYMONS on the Performance, under trying circumstances, of a very

small Aneroid Barometer..

35

Professor JAMES THOMSON on the Disintegration of Stones exposed in Build-

ings and otherwise to Atmospheric Influence.

35

CHEMISTRY.

.....

Address by Professor W. H. MILLER, M.A., F.R.S., President of the Section

Mr. GEORGE BOWDLER BUCKTON on the Formation of Organo-Metallic Ra-

dicals by Substitution...

35

Mr. DUGALD CAMPBELL on the Action of Nitric Acid upon Pyrophosphate of

Magnesia

......

36

37

M. A. DES CLOIZEAUX sur les modifications temporaires et permanentes que la

Chaleur apporte à quelques propriétés optiques de certains corps cristallisés 38

Mr. J. P. GASSIOT on the Mode of preparing Carbonic Acid Vacua in large

Glass Vessels.....

42

43

43

Dr. J. H. GLADSTONE on the Essential Oil of Bay, and other Aromatic Oils..

on the Means of observing the Lines of the Solar Spec-

trum due to the Terrestrial Atmosphere

Mr. A. VERNON HARCOURT on a particular Case of induced Chemical Action 43

Dr. G. HARLEY on Schönbein's Antozone

44

Mr. W. H. HARRIS on the Adulteration of Linseed Cake with Nut-cake

Mr. CHARLES HEISCH on a Simple Method of taking Stereomicro-photographs 46

Mr. E. J. LowE on his Ozone Box

45

Dr. W. ODLING on the Synthesis of some Hydrocarbons

on the Nomenclature of Organic Compounds...

Mr. J. W. OSBORNE on the Essential Oils and Resins from the Indigenous

Vegetation of Victoria....

Page

48

48

48

Details of a Photolithographic Process, as adopted by the

Government of Victoria, for the publication of Maps.

49

Dr. B. H. PAUL on the Manufacture of Hydrocarbon Oils, Paraffin, &c., from

Peat

50

.....

on the Decay and Preservation of Stone employed in Build-

ing.

Dr. T. L. PHIPSON on the Artificial Formation of Populine, and on a new

Class of Organic Compounds

on the Existence of Aniline in certain Fungi which be-

come Blue in contact with the Air, &c. . . . . .

51

....

Analysis of the Diluvial Soil of Brabant, &c., known as

the Limon de la Hesbaye.

53

Professor H. E. ROSCOE on Hypobromous Acid.....

Mr. T. SUTTON's Description of a rapid Dry-Collodion Process

GEOLOGY.

Address by J. BEETE JUKES, M.A., F.R.S., President of the Section.......
Professor ALLMAN on an Early Stage in the Development of Comatula, and its
Palæontological Relations.

Professor ANSTED on Bituminous Schists and their Relation to Coal.......
on a Tertiary Bituminous Coal in Transylvania, with some

remarks on the Brown Coals of the Danube.

Captain GODWIN-AUSTEN on the Glacier Phenomena of the Valley of the

Upper Indus....

Dr. A. CARTE and Mr. W. H. BAILY on a New Species of Plesiosaurus from the

Lias near Whitby, Yorkshire..

Mr. W. T. BLANFORD on an Extinct Volcano in Upper Burmah

Rev. T. G. BONNEY on some Flint Implements from Amiens.

Rev. J. CROMPTON on Deep or Artesian Wells at Norwich..

Dr. DAUBENY on Flint Implements from Abbeville and Amiens
on the last Eruption of Vesuvius....

Mr. W. BOYD DAWKINS on the Wokey Hole Hyæna-den...

Rev. J. DINGLE on Specimens of Flint Instruments from North Devon...

Mr. DOUGHTY on Flint Instruments from Hoxne

Mr. F. J. FOOT on the Geology of Burren, co. Clare

Dr. FRITSCH on some Models of Foraminifera.

Professor HARKNESS on the Skiddaw Slate Series...

Mr. J. GWYN JEFFREYS on an Ancient Sea-bed and Beach near Fort William,

Inverness-shire......

Dr. W. LAUDER LINDSAY on the Geology of the Gold-fields of Otago, New

Zealand...

Dr. W. LAUDER LINDSAY on the Geology of the Gold-fields of Auckland, New

Zealand.......

Page

80

Mr. CHARLES MOORE on the Paleontology of Mineral Veins; and on the

Secondary Age of some Mineral Veins in the Carboniferous Limestone.... 82

Contributions to Australian Geology and Palæontology 83

Mr. C. W. PEACH on the Fossils of the Boulder-clay in Caithness......

on Fossil Fishes from the Old Red Sandstone of Caithness

Mr. W. PENGELLY on the Correlation of the Slates and Limestones of Devon

and Cornwall with the Old Red Sandstones of Scotland, &c.

Mr. T. A. READWIN on the Gold-bearing Strata of Merionethshire...

Mr. C. B. ROSE on some Mammalian Remains from the Bed of the German

Ocean

Mr. J. W. SALTER on the Identity of the Upper Old Red Sandstone with the

Uppermost Devonian (the Marwood Beds of Murchison and Sedgwick), and

of the Middle and Lower Old Red with the Middle and Lower Devonian..

Mr. S. P. SAVILLE on a Skull of the Rhinoceros tichorhinus . .

Mr. H. SEELEY on a Whittled Bone from the Barnwell Gravel

Rev. GILBERT N. SMITH on a Successful Search for Flint Implements in a

Cave called "The Oyle," near Tenby, South Wales

Mr. H. C. SORBY on the Cause of the Difference in the State of Preservation

of different kinds of Fossil Shells

.....

83

85

85

87

91

92

94

94

95

95

on the Comparative Structure of Artificial and Natural

Igneous Rocks ....

96

Rev. W. S. SYMONDS on Scutes of the Labyrinthodon, from the Keuper Bone-

Breccia of Pendock, Worcestershire.

96

Mr. A. B. WYNNE on the Geology of a Part of Sligo.

96

ZOOLOGY AND BOTANY, INCLUDING PHYSIOLOGY.

BOTANY.

Mr. JAMES BUCKMAN on the Ennobling of Roots, with particular reference to

the Parsnip

Dr. DAUBENY'S Reply to the Remarks of M. F. Marcet on the Power of Selec-

tion ascribed to the Roots of Plants..

98

Mr. F. J. Foor on a Botanical Chart of the Barony of Burren, co. Clare....

Mr. JOHN GIBBS on the Inflorescence of Plants....

98

98

Dr. W. LAUDER LINDSAY on the Toot-poison of New Zealand

98

Rev. W. S. SYMONDS on the Occurrence of Asplenium viride on an Isolated

Travertine Rock among the Black Mountains of Monmouthshire......

100

ZOOLOGY.

Professor ALLMAN on the Generative Zooid of Clavatella..

on an Early Stage in the Development of Comatula..

on the Structure of Corymorpha nutans