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CONTENTS. : Vv 
Report of the Committee, consisting of Professor Huxtey, LL.D., F.R.S., 
Professor Harxnuss, F.R.S., Henry Woopwarp, F.R.S., James Toom~- 
son, Joun Briac, and L. C. Marz, on the Structure and Classifica- 
tion of the Labyrinthodonts. Drawn up by L. C. Mraxx, Secretary 
PERE RGOMITIUU UGG cxctsucis) Paes Seka) hci Qislcdabanlone, oft a's: eine Sx sulnnalenere fale 149 
Second Report of the Committee, consisting of Professor Harkness, Pro- 
fessor Prestwicu, Professor Huenes, Rev. H. W. Crossxxy, Professor 
W. Bory Dawxtys, Messrs. C. J. Woopwarp, Grorcr Maw, L. C. 
Mraz, G. H. Morroy, and J. E. Lex, appointed for the purpose of 
recording the position, height above the sea, lithological characters, 
size, and origin of the more important of the Erratic Blocks of Eng- 
land and Wales, reporting other matters of interest connected with 
the same, and taking measures for their preservation. Drawn up 
by the Rev. H. W. Crossxxy, Secretary.........-seee seer eeeees 192 
Sixth Report of the Committee on the Treatment and Utilization of 
Sewage, consisting of Ricuarp B. Granrnam, C.E., F.G.S. (Chair- 
man), F. J. Bramwett, C.E., F.R.S., Professor W. H, Corrretp, 
M.A., M.D. (Oxon.), J. H. Grizerr, Ph.D., F.R.S., F.C.S., W. Hore, 
V.C., and Professor A. W. Witt1amson, Ph.D., F.R.S., F.C.S......- 200 
Report on the Anthropological Notes and Queries for the use of 
Travellers published by the Committee, consisting of Colonel Lanz 
Fox, Dr. Brppoz, Mr. Franxs, Mr. Francis Garron, Mr. E. W. 
Brasrook, Sir Jonn Lvszocx, Sir Watrer Exxior, Mr. Cremenrs 
Marxuam, and Mr. E. B. Trtor. By Colonel A. Lanz Fox, Secre- 
Pamywt the ComMitbee 6. ws cise nn ery ee ve gnleii sale enmaies 214 
On Cyclone and Rainfall Periodicities in connexion with the Sun-spot 
Periodicity. By CuHartus MELDRUM ...... 00s. seen sence seeees 218 
Fifth Report on Earthquakes in Scotland, drawn up by Dr. Brycs, 
F.G.S. The Committee consists of Dr. Bryce, F.G.S., Sir W. THom- 
son, F.RB.S., J. Broven, G. Forzes, F.R.S.E.,D. Mirnz-Home, F.R.S.E., 
SPERM PIRESTETOMSONG oo Mi. ote < fence ot ciate: sais ou- nich bales s ait MARC ANOIL ta, “OINIn Ley aS 241 
Report of the Committee appointed to prepare and print Tables of 
Wave-numbers, the Committee consisting of Dr. Hucerns, F.R.S., J. 
N. Locxyzr, F.R.S., Dr. Reynorns, F.R.S., G. J. Sronzy, F.R.S., W. 
Srorriswoonz, F.R.S., Dr. Dz La Rus, F.R.S., and Dr. W. M. Warts 241 
Report of the Committee, consisting of Prof. A.W. Wizrauson, F.RS., 
Prof. Sir W. Tomson, F.R.S., Prof. Crerxk Maxwett, F.R.S.. Prof. 
G. C. Foster, F.R.S., F. A. Aset, F.R.S., Prof. Freemine Jenkin, 
F.R.S., C. W. Sremens, F.R.S., and Mr. R. Sasrye, appointed for the 
purpose of testing the new Pyrometer of Mr. Siemens .........+.- 242 
Report to the Lords Commissioners of the Admiralty on Experiments 
for the Determination of the Frictional Resistance of Water on a 
Surface, under various conditions, performed at Chelston Cross, under 
the Authority of their Lordships. By Wri1ram Frovpg, F.RS. .... 249 
Second Report of the Committee for the Selection and Nomenclature of 
Dynamical and Electrical Units, the Committee consisting of Professor 
Sir W. Tuomson, F.R.S., Professor G. C. Fostrr, F.R.S., Professor J. 
Crerxk Maxwett, F.R.S., G. J. Stonzy, F.R.S., Professor Freemine 
Jenxin, F.R.S., Dr. C. W. Siemens, F.R.S., F. J. Bramwext, F.RS., 
