lv CONTENTS. 
Report on the Chemical Nature of Alloys. By A. Marrnaressgn, F.R.S., 
Lecturer on Chemistry in St. Mary’s Hospital. (Plate V.)........ 
On the Chemical and Mineralogical Constitution of the Granites of 
Donegal, and of the Rocks associated with them. By a Committee, 
consisting of Rosrrr H. Scorr, Sir R. Grirrira, Bart., and the Rev. 
SS LUAG ETON MSD) USEC Ss ce, sk ave alc a's & ctdyare wu ele 5) eres sete eee 
Report of the Committee appointed for Exploring the Coasts of Shetland 
by means of the Dredge. By J. Gwyn Jerrreys, F.RS........... 
Report on the Physiological Effects of the Bromide of Ammonium. By 
Georce D. Gres, M.D., M.A., F.G.S., F.A.8., Physician to the West 
London Hospital, and Assistant-Physician and Medical Registrar to 
the: Wesuumeier Hospital, Tandon... ccc. ose cos hee oe one 
On the Transmutation of Spectral Rays.—Part I. By Dr. C. K. Axi, 
Report of the Committee on Fog Signals. By the Rey. Dr. Roxrnson. . 
Report on Standards of Electrical Resistance. By a Committee, consist- 
ing of Professor Wueatstone, Professor’ Witttamsoy, Mr. C. F. 
Vartry, Professor Tuomson, Mr. Batrour Srewarr, Mr. C. W. 
Sremens, Dr. A. Matrutessen, Professor Maxwett, Professor MILLER, 
Dr. Joutz, Mr. Fireemrne Jenxrtn, Dr. Essenpacu, and Sir C. Brien. | 
Mate VL). Fo eas ce. ical ae y+ 2s son dt hevnize Neots viene) Mapes 
Abstract of Report by the Indian Government on the Foods used by the 
Free and Jail Populations of India. By Epwarp Suirn, M.D., LL.B., 
F.R.S., Fellow of the Royal College of Physicians, Assistant Physician 
to the Hospital for Consumption at Brompton, &c. .............. 
Synthetical Researches on the Formation of Minerals, &e. By M. 
IATPHONSE GAGES fied voc hele ceo tara tia tat at Tule eee ce ele ass Neieme 
Preliminary Report on the Experimental Determination of the Tempe- 
ratures of Volcanic Foci, and of the Temperature, State of Saturation, 
and Velocity of the issuing Gases and Vapours. By Roperr Matter, 
aes eG... ae Maer e Tas cle es ss ss see hare ogee 
Report on Observations of Luminous Meteors, 1862-63. By a Com- 
mittee, consisting of James Graisper, F.R.S., of the Royal Observa- 
tory, Greenwich, Secretary to the British Meteorological Society, &e. ; 
Rozert P. Gree, F.G.8., &c.; E. W. Brayrey, F.R.S., &.; and 
ATX ANDER: Sty PERRSOEENS Wb aA werd erodetei ere “yah Sie ibys sl cares oe me ve 
Fifth Report of the Committee on Steamship Performance (Plates VII. 
de WEL ye et 2 Sa terereres! os Lats ceniecie ae sain 
Report on the Present State of our Knowledge of the Reproductive 
System in the Hydroida. By Grorcr J. Atuman, M.D., F.R.C.S.1., 
F.RS., F.R.S.E., M.R.1.A., Regius Professor of Natural History in 
the University of Edinburgh ........,....- sees cece eeen serene 
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