iv CONTENTS. 
Report of the Committee, consisting of Dr. Grapstonr, Dr. C. BR. A. 
Wrieut, and W. Cuaypier Roserts, appointed for the purpose of 
investigating the Chemical Constitution and Optical Properties of 
Essential Oils. Drawn up by Dr. WRIGHT ©........ 00sec eees 
Second Report of the Sub-Wealden Exploration Committee, the Committee 
consisting of Henry Wittert,F.G.S., R. A. C. Gopwix-Avsren, F.RB.S., 
W. Torrey, F.6.8., T. Davinson, F.R.S., Prof. J. Presrwicn, F.R.S., 
Prof. Boyp Dawxnrns, F.R.S., and Henry Woopwarp, F.R.S. Drawn 
up by Henry Wrizerr and W. Toruny .... 0... eee e eee eee ees 
On the Recent Progress and Present State of Systematic Botany. By 
one DENTHOM, LI... oe NS al eee ce ee ons 5 ee ey € 
Report of the Committee, consisting of Dr. Pyr-Surra, Dr. Brunton 
(Secretary), and Mr. Wesr, appointed for the purpose of investigating 
theuNature ol intestinal SeeretiOM +. 5... 00.3 ve -s\s + ws) sieeeeeuae 
Report of the Committee on the Teaching of Physics in Schools, the 
Committee consisting of Professor H. J. 8. Sutra, Professor Crirrorp, 
Professor W. G. Apams, Professor Batrour Srewart, Professor R. B. 
Currron, Professor Everett, Mr. J. G. Fircn, Mr, G. Grirrira, Mr. 
Marsnarn Warts, Professor W. F. Barrerr, Mr. J. M. Witson, Mr. 
Lockyer, and Professor G. C. Fosrmr (Secretary) ........-...000- 
Preliminary Report of the Committee, consisting of Dr. Armstrong and 
Professor Torre, appointed for the purpose of investigating Isomeric 
Cresols and their Derivatives. Drawn up by Dr. Henry E, Anmsrrone 
Third Report of the Committee, consisting of Dr. Jams Brycn and 
Wi1am Jonny, appointed for the purpose of collecting Fossils from 
localities of difficult access in North-western Scotland. Drawn up 
by Writram Jotzy, Secretary ........- 1 eee eee eee eee Seamer 
Report on the Rainfall of the British Isles for the years 1873-74, by a 
Committee, consisting of C. Brooxs, F.R.S., J. Grarsuer, F.R.S., J. 
F. Baremay, C.E., F.R.S., T. Hawxstey, C.E., C. Tomson, F.R.S., 
Rogers Fier, C.E., G. J. Symons, Secretary..........eeseeedace 
On the Belfast Harbour. By T. R. Sanmonn, C.E. ........ 00000 cs 
Report of the Committee, consisting of W. Caanpier Rozerrs, Dr, 
Mutts, Dr. Boycorr, A. W. Gaprspen, and J. 8. Sernon, appointed for 
the purpose of inquiring into the Method of making Gold-assays, and 
of stating the Results thereof. Drawn up by W. Cuanpter Rosrrts, 
Seerebary oo. ..c.ckhelen + bos oy te erate +o se dss a 
Report of a Committee, consisting of Prof. A.8. Herscnet, B.A., F.R.AS., 
and G, A. Lezour, F.G.S8., on Experiments to determine the Thermal 
Conductivities of certain Rocks, showing especially the Geological 
Aspects of the Investigation 2.0 i. umes ci sees nsccnwemegpes 
Second Report of the Committee, consisting of Sir Jonny Lupnock, Bart., 
Prof. Hueues, Prof. W. Boyp Dawkins, Messrs. L. C. Mratt and R, H. 
TrppEMAN, appointed for the purpose of assisting in the Exploration 
of the Settle Caves (Victoria Cave). Drawn up by R. H. Troprmay, 
OCIGHATV. veins» sels mrs e/4 «nie opsyn ple wit Min ieee ere Benin os oi OS 
On the Industrial Uses of the Upper Bann River. By Jouy Suyrn, 
are DAL. /C.Bien BLOB. 04 st. ctaoe SORA tha el ORES Re 
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