2 Page Proceedings of the Geological Society, Session 1890-91..... Rev. Dr. A. Irving on the Stratigraphy of the Bagshot Beds of the London Basin Mr. R. D. Oldham on an Experimental Investigation of the Law that Limits PAPERS READ. 2. Prof. A. de Lapparent on the Porphy ritic Rocks of the Island of Jersey......... 35 3. Mr. R. Lydekker on a New Species of Trionyx from the Miocene of Malta and a 4. Mr. R. Lydekker on certain Ornithosaurian and Dinosaurian Remains. 41 [No. 186 will be published on the 1st of next May.] [The Editor of the Quarterly Journal is directed to make it known to the Public, that the Authors alone are responsible for the facts and opinions contained in their respective ***The Council request that all communications intended for publication by the Society shall be clearly and legibly written on one side of the paper only, with proper The Library and Museum at the Apartments of the Society are open every Day from OF FELLOWS OF THE GEOLOGICAL SOCIETY OF LONDON. EVERY Candidate for admission as a Fellow must be proposed by three or more Fellows, who must sign a Certificate in his favour. The proposer whose name stands first upon the certificate must have a personal knowledge of the Candidate. Fellows on election pay an Admission Fee of Six Guineas. The Annual Contribution paid by Fellows is Two Guineas, due on the 1st of January in every year, and payable in advance; but Fellows elected after the month of February are subject only to a proportionate part of the Contribution for the year in which they are elected; and Fellows elected in November or December pay no Contribution for the current year. The Annual Contribution may at any time be compounded for by a payment of Thirty Guineas. The Fellows are entitled to receive gratuitously all the volumes or parts of volumes of the Quarterly Journal of the Society that may be published after their election, so long as their Annual Contributions are paid; and they may purchase any of the publications of the Society at a reduction of 25 per cent. under the selling prices. The Library is open daily to the Fellows between the hours of 10 and 5 (except during the first two weeks of September), and on Meeting days from 5 to 8 P.M. Under certain restrictions Fellows are allowed to borrow books from the Library. Publications to be had of the Geological Society, Burlington House. QUARTERLY JOURNAL. (Vols. III. to XLVI. inclusive.) Price to Fellows, 13s. 6d. each (Vols. XV., XXIII., XXX., and XXXIV. to XLVI. 16s. 6d.), in cloth. CLASSIFIED INDEX TO THE TRANSACTIONS, JOURNAL, &c., by G. W. ORMEROD, Esq. New Edition, to the end of 1868, with First and Second Supplements to the end of 1882 Price 7s. To Fellows, 4s. 6d. [Postage 5d.] The FIRST SUPPLEMENT, 1869 to 1875. SECOND SUPPLEMENT, 1876 to 1882. THIRD SUPPLEMENT, 1883 to 1889. Price of each Supplement, 1s. 6d. To Fellows 1s. [Postage ld.] GEOLOGICAL MAP OF ENGLAND AND WALES, in 6 Sheets, by G. B. GREENOUGH, Esq. New and Revised Edition. Price to Fellows, in sheets, £2 2s. Single sheets may be purchased at the following prices:-No. 1, 4s. 6d. ; No. 2, 3s. 6d.; No. 3, 10s. 6d.; No. 4, 8s. Od.; No. 5, 12s. Od.; No. 6, 7s. 6d. Index to Colours, 9d. Translated by Dr. C. F. FISCHER, THE GEOLOGY OF NEW ZEALAND. from the works of MM. HOCHSTETTER and PETERMANN. Fellows may purchase one copy of this book at Two Shillings; additional copies will be charged Four Shillings. [Postage 5d.] CATALOGUE OF THE LIBRARY, 1880. (620 pages 8vo.) Price 8s. Od. To Fellows 5s. Od. [Postage 6d.] |