X CONTENTS. 



Page 

 Drs. Williamson and Russell on an Apparatus for the rapid Separation and 

 Measurement of Gases 95 



GEOLOGY. 



Address by Sir Roderick Impey Murchison, President of the Section 95 



Mr. W. H. Baily's Palseontological Remarks upon the Silurian Rocks of Ire- 

 land 108 



Mr. T. W. Barrow's Remarks on the Bone-caves of Craven 108 



Mr. E. W. Binney's succinct account of the Geological Features of the neigh- 

 bourhood of Manchester 109 



Mr. J. Bonwick on the Extinct Volcanos of Australia 109 



Mr. Antonio Brady on some Flint Instruments, &c. exhibited to the Meeting 110 

 Mr. Alexander Bryson on the Aqueous Origin of Granite 110 



Rev. C. R. Gordon on the Laws discoverable as to the Formation of Land on 



the Globe 112 



Mr. C. Gould on the Results of the Geological Survey of Tasmania 112 



Mr. A. H. Green on the Faults of a portion of the Lancashire Coal-field 113 



Dr. Hagen's Comparison of Fossil Insects of England and Bavaria 113 



Professor Harkness on the Old Red Sandstone of South Perthshire 114 



on the Sandstones and their associated Deposits of the 



Valley of the Eden and the Cumberland Plain 115 



Mr. D. Milne Home's Notice of Elongated Ridges of Drift, common in the 

 South of Scotland, called ' Kaims ' 115 



Mr. Edward Hull on Isomeric Lines, and the relative Distribution of the 

 Calcareous and Sedimentary Strata of the Carboniferous Group of Britain... 116 



Professor Jukes on the Progress of the Survey in Ireland 117 



Mr. J. G. Marshall on the Relation of the Eskdale Granite at Bootle to the 

 Schistose Rocks, with Remarks on the General Metamorphic Origin of 

 Granite 117 



Mr. George H. Morton on the Pleistocene Deposits of the District around 

 Liverpool 120 



Mr. C. Moore's Notes on two Ichthyosauri to be exhibited to the Meeting.... 121 



Information from Professor Haidinger respecting the Present State of the Im- 

 perial Geological Institution of Vienna. (Communicated by Sir R. I. Mur- 

 chison) 121 



Maps and Sections recently published by the Geological Survej', exhibited by 

 Sir R. I. Murchison 121 



Professor Owen on a Dinosaurian Reptile (,Scelidosaurus Ilarrisoni) from the 

 Lower Lias of Charmouth 121 



on the Remains of a Plesiosaurian Reptile (Plesiosavrus Aus- 



tralis) from the Oolitic Formation in the Middle Island of New Zealand 122 



Mr. W. Patterson on certain Markings in Sandstones 123 



Mr. W. Pengelly on a new Bone-cave at Brixham 123 



. on the Recent Encroachments of the Sea on the Shores of 



Torbay 124 



on the Relative Age of the Petherwin and Barnstaple Beds. 124 



on the Age of the Granites of Dartmoor 127 



