1279 
Nickel and Cobalt ;—Fifth Report on the Exploration of the Settle Caves (Victoria 
Cave) ;—Report on the Datum Level of the Ordnance Survey of Great Britain ;— 
Report on the Zoological Station at Naples ;—Report of the Anthropometric Com- 
mittee ;—Report on the Conditions under which Liquid Carbonic Acid exists in 
Rocks and Minerals. 
Together with the Transactions of the Sections, Prof. Allen Thomson’s Address, 
and Recommendations of the Association and its Committees. 
PROCEEDINGS or tir FORTY-EIGHTH MEETING, at Dublin, 
August 1878, Published at £1 4s. 
CONTENTS :—Catalogue of the Oscillation-Frequencies of Solar Rays;—Report 
on Mr. Babbage’s Analytical Machine ;—Third Report of the Committee for deter- 
mining the Mechanical Equivalent of Heat ;—Report of the Committee for arrang- 
ing for the taking of certain Observations in India, and Observations on Atmospheric 
Electricity at Madeira ;—Report on the commencement of Secular Experiments upon 
the Elasticity of Wires ;—Report on the Chemistry of some of the lesser-known 
Alkaloids, especially Veratria and Bebeerine ;—Report on the best means for the 
Development of Light from Coal-Gas ;—Fourteenth Report on Kent’s Cavern ;— 
Report on the Fossils in the North-west Highlands of Scotland ;—Fifth Report on 
the Thermal Conductivities of certain Rocks ;—Report~on the possibility of estab- 
lishing a‘ Close Time’ for the Protection of Indigenous Animals ;—Report on the 
occupation of a Table at the Zoological Station at Naples ;—Report of the Anthro- 
pometric Committee ;—Report on Patent Legislation ;—Report on the Use of Steel 
for Structural Purposes ;—Report on the Geographical Distribution of the Chiro- 
ptera ;—Recent Improvements in the Port of Dublin;—Report on Mathematical 
Tables ;—Eleventh Report on Underground Temperature ;—Report on the Explora- 
tion of the Fermanagh Caves;—Sixth Report on the Erratic Blocks of England, 
Wales, and Ireland ;—Report on the present. state of our Knowledge of the Crus- 
tacea (Part IV.) ;—Report on two Caves in the neighbourhood of Tenby ;—Report on 
the Stationary Tides in the English Channel and in the North Sea, &c. ;—Second 
Report on the Datum-level of the Ordnance Survey of Great Britain ;—Report on 
instruments for measuring the Speed of Ships ;—Report of Investigations into a 
Common Measure of Value in Direct Taxation ;—Report on Sunspots and Rainfall ; 
—Report on Observations of Luminous Meteors ;—Sixth Report on the Exploration 
of the Settle Caves (Victoria Cave) ;—Report on the Kentish Boring Exploration ;— 
Fourth Report on the Circulation of Underground Waters in the Jurassic, New Red 
Sandstone, and Permian Formations, with an Appendix on the Filtration of Water 
through Triassic Sandstone ;—Report on the Effect of Propellers on the Steering of 
Vessels. 
Together with the Transactions of the Sections, Mr. Spottiswoode’s Address, and 
Recommendations of the Association and its Committees. 
' 
PROCEEDINGS or tut FORTY-NINTH MEETING, at Sheffield, 
August 1879, Published at £1 4s. 
CONTENTS :—Report on the commencement of Secular Experiments upon the 
Elasticity of Wires ;—Fourth Report of the Committee for determining the Mechan- 
ical Equivalent of Heat ;—Report of the Committee for endeavouring to procure 
reports on the Progress of the Chief Branches of Mathematics and Physics;—Twelfth 
Report on Underground Temperature ;—Report on Mathematical Tables ;—Sixth 
Report on the Thermal Conductivities of certain Rocks ;—Report on Observations 
of Atmospheric Electricity at Madeira :—Report on the Calculation of Tables of the 
Fundamental Invariants of Algebraic Forms ;—Report on the Calculation of Sun- 
Heat Coefficients ;—Second Report on the Stationary Tides in the English Channel 
and in the North Sea, &c. ;—Report on Observations of Luminous Meteors ;-—Report 
on the question of Improvements in Astronomical Clocks ;—Report of the Committee 
for improving an Instrument for detecting the presence of Fire-damp in Mines ;— 
Report on the Chemistry of some of the lesser-known Alkaloids, especially Veratria 
