GENERAL STATEMENT. 



XCVll 



I 



£ 



Exploration of Caves in 

 Korneo 50 



Kent's Cavern Exploration ... 100 



Eecord of the Progress of 

 Geology 100 



Fermanagh Caves E.Kplorat ion 5 



Electrolysis of Metallic Solu- 

 tions and Solutions of 

 Compound Salts 2.5 



Anthropometric Committee... .50 



Natural History of Socotra ... 100 



Calculation of Factor Tables 

 for 5th and 6th Millions ... 150 



Circulation of Underground 

 Waters 10 



Steering of Screw Steamers... 10 



Improvements in Astrono- 

 mical Clocks 30 



Marine Zoology of South 

 Devon 20 



Determination of Mechanical 

 Equivalent of Heal 12 



Specific Inductive Capacity 

 of Sprengel Vacuum 40 



Tables of Sun-heat Co- 

 efficients 30 



Datum Level of the Ordnance 

 Survej' 10 



Tables of Fundamental In- 

 variants of Algebraic Forms 36 



Atmospheric Electricity Ob- 

 servations in Madeira 15 



Instrument for Detecting 

 Fire-damp in Mines 22 



Instruments for Measuring 

 tlie Speed of Ships 17 



Tidal Observations in the 

 English Channel 10 



£1080 























15 6 















14 9 











1 8 

 



11 11 



1880. 



New Form of High Insulation 



Key 10 



Underground Temperature ... 10 



Determination of the Me- 

 chanical Equivalent cf 

 Heat 8 5 



Elasticity of Wires 50 



Luminous Meteors 30 



Lunar Disturbance of Gravity 30 



Fundamental Invariants 8 5 



Laws of Water Friction 20 



Sjiecific Inductive Capacity 

 of Sprengel Vacuum 20 



Completion of Tables of Sun- 

 heat Coefficients 50 



Instrument for Detection of 



Fire-damp in Mines 10 



Inductive Capacity of Crystals 



and Paraffines 4 17 7 



Report on Carboniferous 

 Polyzoa 10 



1889. 



£ *. d. 



Caves of South Ireland 10 



Viviparous Nature of Ichthyo- 

 saurus 10 



Kent's Cavern Exploration... 50 



Geological Record 100 



Miocene Flora of the Basalt 



of North Ireland • 15 



Underground Waters of Per- 

 mian Formations 5 



Record of Zoological Litera- 

 ture 100 



Table at Zoological Station 



at Naples 75 



Investigation of the Geology 



and Zoology of Mexico 50 



Anthropometry 50 



Patent Laws 5 



£73 W 7 



1881. 



Lunar Disturbance of Gravity 30 



Underground Temperature ... 20 



High Insulation Key 5 



Tidal Observations 10 



Fossil Polyzoa 10 



Underground Waters 10 



Earthquakes in Japan 25 



Tertiary Flora 20 



Scottish! Zoological Station ... 50 



Naples Zoological Station ... 75 



Natural History of Socotra ... 50 



Zoological Record 100 



Weights and Heights of 



Human lieings 30 



Electrical Standards 25 



Anthropological Notes and 



Queries 9 



Specific Refractions 7 



£476 



1882. 

 Tertiary Flora of North of 



Ireland 20 



Exploration of Caves of Soutli 



of Ireland 10 



Fossil Plants of Halifax 15 



Fundamental Invariants of 



Algebraical Forms 76 



Record of Zoological Litera- 

 ture 100 



British Polyzoa 10 



Naples Zoological Station ... 80 



Natural History of Timor-laut 100 

 Conversion of Sedimentary 

 Materials into Metamorphic 



Rocks 10 



Natural History of Socotra... 100 

 Circulation of Underground 



Waters 15 



Migration of Birds 15 



Earth<juake Phenomena of 



Japan 25 



3 1 















1 II 











(J 



























