PRP 4h ; 4 j > ve ‘ Pit ~_ : ¢ = Pale me ee OB rad) 1? = by oF < THE PROCEEDINGS AND TRANSACTIONS OF THE Sova Scotian Enstitute of Science PEALE ex NOVA - SCOTS VOLUME XII UO = eet HALIFAX PRINTED FOR THE INSTITUTE BY MCALPINE PUBLISHING Co., Lirp 1913 GON TEN Fs PROCEEDINGS. PAGE SESSION OF 1906-1907: Presidential address, by F. W. W. Doane, C. E. ......------ i MeN SH PILbE LS! SWOLK eres o's oko) cic) e-ne alee m+ ele osel lc i Reseanche WOrkeeiern seis iors aie ie site ol oleuelokei+,e1~ cunlcr sal Sealy Sanitary scientific work ...........-.-++eeeeeereees Vv terion Gh UTCHBMTCT fart ein «n+ cfs 2s Ho ene one aap ici snk Sint ix Reporter WbramiaN or. ccs; - e+) ajare = 4) epemeresiony em sng caries 1x Pxchduee of publications... 2... ..-- sss ete as es x (Citar ator a IOC GP eamers Goereooe coo one lmon-uiciceo ooo cut x GMrdinary Meetings 6. a's a oleh i- aloge mye serps ats peace oe Ams tupube;s seals isc acnctsokacyassa es Pe nara oo Ua ee xi Reminiscences of a Nova Scotian naturalist: Andrew Downs. By Major-General Campbell Hardy, BR Act evan Sern. lor ses x1 Self-recording rain-gauge for Halifax ...........--+-- é 3xK The run-off from a small drainage area near Halifax. Sis H. W. Johnston, C. E. (Title only.) .....-.+---+++: XXX SESSION OF 1907-1908: AMEE MECING. of <2 i227) Oo see ale a ee ea XXXi Presidential address, by F. W. W. Doane, C. i Rs ie eta XXX (1) Obituary references to Edward Gilpin .......-. XXxl (2) o is “ Daniel McNeil Parker.... xxxiv (3) ' a “ George Thomas Kennedy... Xxxv ogy (4) Bs Z Co cae 2 Woeh SC bo a prea XXXV (5) Technical education .......--.-- +s s++se8 ee XXXVli Report of librarian and secretary .....---+++++++srrrrrteee xii Officers elected for 1907-1908 .......----ee seer ee reer eeteee xlii Ordinary meetities <0). 92) Si Gage Ai ele a8 Ne ah ale oe ne xliil Influence of radium on the decomposition of hydr iodie acid.— By H. Jermain Creighton, M. A. (Seep. 1) =. ...5..- xliii (1) Fish-eating habits of medusae; (2) ‘aie present and future of our fisheries—By Prof. E. E. Prince. (Titles ro Res Wye tcl 22 cat ea Neda SS Ge xliv anes CONTENTS PAGE (1) A few chemical changes influenced by radium; a new method for the detection of amygdalin. (2) Behavior of solutions of hydriodie acid in light in the presence of oxygen.—H. J. Creighton, M. A. (See pp. 34 and EONS Sis bs os oteltctee RL ert Re eioGk 6 foi. hee xliv Occurrence of tin in Nova Scotia.—By Harry Piers. (See p. 2993) ee ate snes en ra see Bel ates ket xlv Note on eels in water pipes.—By W. L. Bishop. (Title only). xlv Economic geology of Arisaig, N. S—By Professor J. E. Wood- man. (Title only.) SESSION OF 1908-1909: HANNE PIMOS GN fF oe cee 4s YG a are ied 2 wile, 0 2 xivii Presidential address: (1) Progress of the Institute since 1890; (2) progress of technical education; (3) technical education, and research; (4) the Institute in the public service——By Prof. Ebenezer Mackay, Ph. D. xlvii Report’ of JHbPAariane hi o5'. oa: Siok Ge instore. “a one dan ee lii Officers: elected: for T90Q8-1909 ..3.:..5...... os sabe pe liii Ordinary smieetinga io yw. ic ssctee so Ow > Cie wis cle ae liii Recent iron and limestone investigations in Nova Scotia.—By Professor J Fdmund Woodman, D. Se. (Title only.) .. liii Appointment of delegate to the Geological Society of Glasgow __ liv On the commonly accepted axioms in celestial mechanics.—By Kenneth McIntosh.. (Title only.). ....:....+:ssuale liv TESSUEET BL TOPOTO 3.7.