900 



REPORT — 1897. 



arkoses on, W. F. Ferrier and A. E. 



Barlow on, 659. 

 ♦Temperature, the effect of, in varying 



the resistance to impact, the hardness, 



and the tensile strength of metals, A. 



Macphail on, 767. 

 of Europe, Dr. van Rijckevorsel on 



the, 566. 



of a metal turf ace on, rvhicli steam is 



condensing, an electrical vietliod of 

 measuring the, Prof. H. L. Callendar 

 on, 422. 



Tertiary mammalia skeletons and re- 

 storations of, Prof. H. F. Osborn on, 

 684. 



Tesla (Nicola) on an electrical oscillator, 

 570. 



Thermo-electricity, a research in, by 

 means of a platinum resistance pyro- 

 meter, H. M. Tory on, 588. 



•Thermometer, a comparison of Rowland's 

 mercury, with a Griffiths' platinum 

 thermometer, F. Mallory and C. D. 

 Waidner on, 560. 



Thompson (Prof. S. P.) on practical 

 electrical standards, 206. 



on the teaching of science in element- 

 ary schools, 287. 



* on new varieties of kathode rays, 



555. 



* on an experiment with a bundle of 



glass plates, 557. 



* on a tangent galvanometer, 557. 



on the use of the trifilar suspension 



in physical apparatus, 588. 



(Prof. W. H.) on the I'hysiological 



effects of peptone and its j)recursors 



when introduced into the circulation, 



531. 

 "Thomson (Prof. J. J.) on practical 



electrical standards, 206. 

 Thorium, the chemistry and the atomic 



weight of. Prof. B. Brauner on, 609. 

 'Thoepe (Dr. T. E.) on the action of 



light upon dyed colours, 286. 

 TiDDEMAN (R. H.) on the collection of 



photographs of geological interest in 



the United Kingdom, 298. 

 on the erratic blocks of the British 



Isles, 349. 

 TiLDEN (Prof. W. A.) on the investiga- 

 tion of isomeric naphthalene deriva- 

 tives, 292. 

 Timber columns, the strength of. Prof. 



G. Lanza on, 758. 

 Experiments by Prof. H. T. 



Bovey on the strength of, 758. 

 Time, the unification of, J. A. Patterson 



on, 550. 

 * at sea, the unification of, C. E. 



Lumsden on, 720. 

 Titanic oxide, the distribution of, upon 



the earth's surface, F. P. Dunnington 



on, 612. 



*TODD (Prof. David P.) on automatic 



operation of eclipse instruments, 585. 

 Tomatoes, a disease of, W. G. P. Ellis on, 



861. 

 Toronto children, the growth of, Br, F. 



Boas on, 443. 

 , Glacial and interglacial deposits at, 



Prof. A. P. Coleman on, 650. 

 Toby (H. M.) on a research in thermo- 

 electricity by means of a platinum 



resistance pyrometer, 588. 

 fTotem among the Omaha, Miss A. C. 



Fletcher on the import of the, 788. 

 Trade combination in Canada, the history 



of, W. H. Moore on, 737. 

 , national policy and international, 



Edwin Cannan on, 741. 

 Trail (Prof. J. W. H.) on the preserva- 

 tion of plants for exhibition, 537. 

 Traquair (Dr. R. ll.)on life-zones in the 



British Carboniferous rocks, 296. 

 '^Travees (Morris W.) on the occurrence 



of hydrogen in minerals, 610. 

 and Prof. W. Ramsay on the re- 



fractivity of certain mixtures of gases, 



687. 

 Trees of Nebraska, the distribution of 



the native. Prof. C. E. Bessey on, 862. 

 Trematode Aspidogaster conchicola, the 



post-embryonic development of the. 



Dr. Joseph Stafford on, 698. 

 •Trenton gravels, Prof. F. W. Putnam on 



the, 796. 

 ♦Trepanning, some cases of, in early 



American skulls, Dr. W. J. McGee on, 



790. 

 , a case of, in north-western Mexico, 



W. C. Lumholtz and Dr. A. Hrdlicka 



on, 790. 

 Trifilar suspension in physical apparatus, 



the use of, Prof. S. P. Thompson on, 



688. 

 Triple-expansion engine at Massachusetts 



Institute of Technology, Tests by Prof. 



C. H. Peabody on the, 759. 

 ^Tripoli, a journey in, J. L. Myres on, 



722. 

 Tristram (Rev. Canon H. B.) onthemork 



of the Corresponding Societies Com- 

 mittee, 23. 

 Tubercle bacillus, the action of glycerine 



on the, Dr. S. Monckton Copeman and 



Dr. F. R. Blaxell on, 829. 

 Turner (Sir W.), Address to the Section 



of Anthropology by, 768. 

 — — on some spear-heads made of glass 



from Western Australia, 796. 

 *Twyman (F.), F. S. Spiers, and W. L. 



Waters on the cyclical variation with 



temperature of the E. M. F. of the 



H-form of Clark's cell, 591. 

 Tyrrell (.J. B.) on the glaciation of 



north-central Canada, 662. 

 on the barren lands of Canada, 780. 



