: MEMOIRS AND PROCEEDINGS MANCHESTER LITERARY AND PHILOSOPHICAL SOCIETY (MANCHESTER MEMOIRS.) Volume LXI. (1916-17.) MANCHESTER 36, GEORGE STREET. 1918. k"fe -'^A3\'^- ^Uoc^.C NOTE. The authors of the several papers contained in this volume are themselves accountable for all the statements and reasonings which they have offered. In these particulars the Society must not be considered as in any way responsible. CONTENTS. MEMOIRS. I. South African Gorgonaceu. By J. STUART THOM- SON, M-iSc, Ph.D., F.R.S.E. With 5 Plates and 5 Text-figs pp. 1—56 (Issued separately, May 2oth, igiy.) II. The "Mark Stirrup" Collection of Fossil Insects from the Coal Measures of Commentry (AUier), Central France. By HERBERT BOLTON, M.Sc, F.R.S.E., F.G.S. With 5 Plates pp. 1—32 (Issued separately, May nth, IQI7-) III. Note on the Action of Hydrogen on Sulphuric Acid. By Francis Jones, M.Sc, F.R.S.E., F.C.S. With I Text-fig pp. 1—3 (Issued separately, February 2Tth, JQIJ-) IV. An Egyptian Meteorite. By HENRY WiLDE, D.Sc, D.C.L., F.R.S pp. 1—2 (Issued separately. March 23rd, igi7.) V. On the Contents of a Herbarium of British and Foreign Plants for; Presentation lo the N'ictoria, University of Manchester. By CHARLES BAILEY, M.Sc, F.L.S pp. 1—18 (Issued separately, July 12th, iQiy.) VI. An Ethnological Study of Warfare. By W. J. PERRY, B.A pp. 1—16 (Issued separately, June 6th, IQ17.) VII. Observations on the Nesting tiabits of the Palm Swift made by Mr. Arthur Loveridge in German East Africa. By T. A. COWARD, F.Z.S., F.E.S. pp. 1—3 (Issued separately, May 17th, tgry.) VIII. On the Atomic Weight of Tellurium in Relation to the Multiple Proportions of the Atomic Weights of other Simple Bodies. By HENRY WiLDE, D.Sc, D.C.L., F.R.S pp. 1—3 (Issued separately, June iSth, 1917.J VI. Contents. IX. Recent Work on Overvoltage. By EDGAR NEW- BERY, D.Sc ... pp. 1—20 (Issued separately Dec. i^th, 1917.) PROCEEDINGS i.—xxiv. Annual Report of the Council, 1917, with obituary notices of Sir William Ramsay, K.C.B., Ph.D., Sc.D., M.D., F. R.S., and Dr. Elie Metschnikoff, For. Mem. R.S. xxv.-xxx. Treasurer's Accounts ... .. ... ... ... xxxi.-xxxiii. List of the Council and Members of the Society ... ... xxxiv.-xliv. List of the Awards of the Dalton Medal ... ... ... xliv. List of the Wilde Lectures ... ... ... ... ... xlv. List of the Special Lectures ... ... ... ... xlv. List of the Presidents of the Society xlvi. INDEX. M. = Memoirb. P. = Proceedings. Accessions to Library. P. i., ix.,, xiv., xxiii. Action of Hydrogen on Sulphuric Acid. By F. Jones. M;; 3. P. xiv. Angell, John, Reference to the Death of. P. ii. Annual General Meeting. P. xxiii. Annual Report. P. xxiii., xxv*. Arsenic in Baking Powder. By 'FI.! Ei. Bradley. P. ix. in Food. By F. E. Briadley. P. vii. Atomic Weight of Tellurium. By II. Wilde. M. 8. Auditors. P. xviii. Awards of the Dalton Medal. P. xliv. Bailey, C. Herbarium of British and Foreign Plants. M. 5. P. xxi. Bananas, Amounts of Sugar and Starcilii in. By J. Barnes. P. vii. Barclay, A. E. Gift af Microscope. P. xix. Barnes, C. L. Galvanit. P-. Xjvii^ J. Amounts of Sugar ajid Stardh in Bananas. P. vii. Behaviour of a Blackbird, Note on. By W., H. Todd. P. x. Bolton, II. Mark Stirrup Collection of Fossil Insects. M., 2. P'. x. Bomb, Exhibition of a German. P. vi. Boskop Skull, Endocranial Cast of. By G. Ellioit Smith. P. xv. Bradley, F. E. Arsenic in 'Baking Powder. P. ix. Arsenic in Food. P. vii. ^^ British Association, Discussion at the Ntrwcastle Meeting of. P. ii. British and Foreign Plants, Flerbarium of. By C. Bailey. M. 3. P. xxi. Castration -parasitaire in Insects. By A. D. Imms. P. xix. Copisarow, M. Trinitrotoluene. P. vi. Council, Election of. P. xxiii. List of Members. P. xxxiv. Coward, T. A. Nesting Habits of the Palm Swift. M. 7. P. xxiv. ——< Undescribed Habit of the Field Vole. P. xiv. Cramp, W. Breaking of Glass Tubes. P. vii. Dalton, John, Gift of Microscope whicJi belonged to. P. xix. Medal; Awards of. P. xliv. Dawkins, W. Boyd. P. xvii. viii Index. Egyptian Meteorite. By H. ,Wilde. |M,. 4. P. xix. Election of Officers. P. xxiii. Ordinary Members. P. iv., viii., xxi. Elliot Smith, G. See Smith, G. Elliot. Eoantliropus Dawspni. By G. Elliot S(miih. P. xix. Endocranial Cast of 'the Boskbp S,kull. By G. Elliot Smitli. P. xv. Ethnological Survey of Warfare. By W. J. Perry. M^, 6. P. xxiv. Field Vole, I'ndescribed Habit of. B[v T. A. Coward. P. xiv. Fishenden, R. B. Illustration Processes used in Scientific Publica- tions. P. xxi. Foraminifera. By S. J. Hickson. P. xvii. ^ Fossil Human Skulls. By G. Elliot Smith. P. v. Insects, Mark Stirrup Collection of. By H. Bolton. M. 2., P. x. Galvanit. By C. L. Barnes. I^. xvii. Glass Tubes, Breaking of. By W. Cramp. P. vii. Gorgonacca, South African. By J. S. Thomson. M. 1. P. vii. Gwyther, R. F. Specification of Stress. Part v. P. xxiv. Herbarium of British and Foreign Plants. By C. Bailey. M. 5. P. xxi. Hickling, G. See British Association. P. ii., iii. Skull of a Permian Shark. P. xvi. Sun-Spots. P. xvii. Hickson, S. J. Polytrema and allied foraminifera. P xvii Honorary Members, List oif. P. xlii. Hydrogen, Action of, on Sulphuric Acid. By F. Jones. M'. 3. P. xiv. Illustration Processes used in Scientific Publications. By R. B. Fisih- enden. P. xxi. Imms, A. D. Remarks on " Castration-parasitaire " in Insects. P. xix. Insects, Mark Stirrup Collection of. Byi H. Bolton. Mj. 2. P. x. Jackson, J. W. Exhibition of Faceted Pebbles. P. ix. Jones, F. Action of Hydrogen on Sulphuric Acid. M. 3. P. xiv. Lamb, H. Deflection of the VerticaJ by Tidal Loading of the Earth's Surface. P. xui. Lang, W. H. Mode of Preservation and Structure of Rhynia Gwynne- Vaughani. P. iv. Library Accessions. P. i., ix., xiv., xxiii. Loveridge, A. Nesting Habits of the Palm Swift. M. 7. P. xxiv. Index. ix. Makower, W. The Photographic Action of a -Rays. P. xvii. Manchester Museum. See Museum. Manure, Manufacture of, from Peat. By F. E. Weiss. P. vii. Mark Stirrup Collection of Fossil Injects. By H. Bolton. Mi. 2. P. x. Meteor in Northern 9ky. By E. L. Rhead. P. v. Meteorite, A'n Egyptian. By H. Wilde. M. 4. P. xix. Metschnikofi, E., Obituary Notice of. P. xxix. Reference to Death of. P. ii. Microscope of John Dal ton, Gift of. P. xix. Museum, Place of the (Manchester—in a general scheme of Education. By W. Boyd Dawkins. P. xvii. Nesting Habits of the Palm Swift. See Coward, T. A., and Love- ridge, A. Newbery, E. Recent Work on Overvoltage. M. 9. P. xxiv. Newcastle Meeting of the British Association. P. ii. Noton, J. Gift of Microscope. P. xix. Officers, Election of. P. xxiii. Ordinary Members, Election of. P. iv., viii., xxi. List of. P. XXXV. Overvoltage, Recent Work on. By E. Newbery. M'. 9. P. xxiv. Palm Swift, Nesting Habits of. See Coward, T. A., and Loveridge, A. Peat, Exhibitions of Specimens Illustrating the Resiults of Pressure on. By J. Barnes. P. vii. ' Manufacture of Manure from. By F. E. Weiss. P. vii. 1 Pebbles, Exhibition of Faceted. By J. W. Jackson. P. ix. Pemberton, W. Specific Gravity Balance. P. xi. Permian Shark, Skull of. By G. Hickling. Pxvi. Perry, W. J. An Ethnological Study df Warfare. M;. 6. P. xxiv. Photographic Action of a Rays. By W. Makower. P. xvii. Polytrema. See Foraminifera. By S. J. Hickson. P. xvii. Presidents of the Society, I^ist of. P. xlvi. Ramsay, Sir William, Obituary Notice of. P. xxvii. Reference to Death of. P. li. Rays, Photographic Action of n. By W. Makower. P. xvii. Recent Work on Overvoltage. By E-. Newbery. M. 9. P. xxiv. Rhead, E. L. Meteor in Northern Sky. P. v. Rhynia Gwynne-Vaughani. By W. fL Lang. P. iv. Rutherford, Sir E. See British Association. P. ii., iii. X. Index. Skull of a Permiaai Shark. By G. HLckling. P. xvi. Smith, G. Elliot. Endocranial Cast of the B'oskop Skull. P. xv. Eoantliropus Dawsoni. P. xix. Recently Discovered Fossil Human Skulls. P. v. South African Gorgonacea. By J. S. Tliomson. iM, 1. P. vii. Special Lectures. P. xlv. Specification of Stress. Part v. By R. F. Gwyther. P. xxiv. , Specific Gravity B'alance. By W. G. Pemberton. P. xi. Square Roots, Method of Extracting. By C. E. Stromeyer. P. iv. Starch and Sugar, Amounts of, in Bananas. By J. "Barnes. P. vii. Stress, Specification of. See Gwyther, R. F. Stromeyer, C. E. Method of Extracting Square Roots. P. iv. Sugar and Starch, Amounts of, in Bananas. By J. Barnes. P. vii. Sulphuric Acid, Action of Hydrogien on,., By F. Jones. M,. 3. P: xiv. Sun-Spots. See Hickling, G. P. xvii. Tellurium, Atomic Weig'ht of. By H. Wilde. M. 8. Termites. See '' Castration-parasitaire." Thomson, J. S. South African Gorgonacea. M. 1. P. vii. W. See British Association. P. ii., iii. Exhibition of Parts of a German Bomb. P. vi. Todd, W. H. Behaviour of a Blackbird. P. x. Treasurer's Accounts. P. xxxi. Trinitrotoluene. By M. Copisarow. P. vi. Undescribed Habit of Field Vole. By T. A. Coward. P. xiv. Warfare, An Ethnological Survey of. By W.: J. Perry. M. 6. P. xxiv. Weiss, F. E. See Bailey, C.