CONTENTS. XI 



Page 



Mr. Charlks Horner on the Spectra of certain Boric aud Phosphoric Acid 



Blowpipe Beads 64 



Mr. J. Norman Lockyer on the Elements in the Sun 65 



Mr. W. T. M'^GowEN on the Sewage of Manufacturing Towns 65 



Dr. Paul and Mr. A. D. Cownley on the Valuation of Commercial Crude 



Anthracene 05 



Mr. W. n. Pike on several Homologues of Oxaluric Acid 65 



Mr. W. Chandler Roberts on Horn Silver 66 



Professor Schafarik on the Constitution of some Silicates 66 



Mr. John Spiller on Artificial Magnetite 66 



Mr. C. J. Woodward on a Form of Gas-generator 66 



Mr. C. R. A. Wright on new Derivatives from Codeine and Morphine .... 67 



GEOLOGY. 



Address by John Phillips, M.A., D.C.L. Oxon., LL.D. Cambridge and Dubliu, 

 r.R.S., F.G.S 70 



The Rev. J. F, Blake on additional Remains of Pleistocene Mammals in 

 Yorkshire 75 



Mr. W. T. Blanford on some Evidence of Glacial Action in Tropical India in 

 Palseozoic (or the oldest Mesozoic) times 76 



Mr. Henry B. Brady on Arclicediscus Karreri, a New Type of Carboniferous 

 Foraminifera ' 76 



Mr. John Brigg on such of the Industries of Bradford as relate to its Geolo- 

 gical Position 76 



Mr. A. Champernowne on the Discovery of a Species of Starlish in Devonian 



; Beds of South Devon ; with a Note by Henry Woodward 77 



Mr. J. R. Dakyns on the Geology of part of Craven 78 



Mr. W. Boyd Dawkins on the Rate at which Stalagmite is being accumulated 

 in the Ingleborough Cave 80 



Mr. J. W. Ellis on the Stump-Cross Caverns at Greenhow near Patety Bridge 80 



Mr. W. GoMERSALL on the Round Boulder Hills of Craven 80 



The Rev. J. Gunn on the Probability of finding Coal in the Eastern Counties 81 



Professor Harkness on the Occurrence of Faults in the Permian Rocks of the 

 lower portion of the Vale of the Eden, Cumberland 81 



Mr. Henry Hicks on the Arenig and Llandeilo Rocks of St. David's 82 



Mr. John Hopkinson on some Graptolites from the Upper Arenig Rocks of 

 Ramsey Island, St. David's 82 



on the Occurrence of numerous Species of Graptolites 



in the Ludlow Rocks of Shropshire 83 



Mr. _W. HoRNE on the Occurrence in the Yoredale Rocks of Wensleydale of 

 Fish and Amphibian Remains 84 



Mr. J. Logan Lobley on the British Palasozoic Ai'cadas 84 



Dr. T. Moffat on a Horn and Bones found in a Cutting in a Street in Maiden- 

 head, Berks 84 



' on Geological Systems and Endemic Diseases 84 



Dr. John Phillips on the Ammonitic Spiral in reference to the power of 

 Flotation attributed to the Animal 85 



