lv CONTENTS. 
Continuation of Report on Steam Navigation at Hull. By JAmEs 
Ounwan, C2E. Hull, M.T.C. Bi. ios sescisestcesase seve ste puneeaee tata cisiste 
Report of a Committee, consisting of The Rt. Hon. Earl of HARpWICKE, 
Chairman; Mr. AnpREw Henperson, Mr. Joun Scott RusseEtt, 
Mr. James Rost. Napier, Mr. CHarvtes ATHERTON, Mr. ARTHUR 
Anpverson, Rev. Dr. WooLtey, Admiral Moorsom (vice Mr. W. 
Mann), Mr. Joun Maccrecor (vice Mr. G. F. Youne), Captain 
J. O. Owen, Professor BENNETT Woopcrort, JAMES PERRY, and 
Mr. JAmes YATES, Secretary, appointed to inquire into the Defects 
of the present methods of Measuring and Registering the Tonnage of 
Shipping, as also of Marine Engine-Power, and to frame more perfect 
rules, in order that a correct and uniform principle may be adopted 
to estimate the Actual anne Capabilities and Working-Power of 
Steam Ships... Pana eeaasahaurewasese 
Report on the Temperature of some Deep Mines in Cornwall. By 
Rogsert WERE Fox, F.R.S., F.G.S. ...cccccesesssascctence 
: =% gtlt! t+ sél+2 
De quelques Transformations de la Somme >> Sie Aa a 
étant entier négatif, et de quelques cas dans lesquels cette somme est 
exprimable par une combinaison de factorielles, la notation a‘lt+! désig- 
nant le produit des ¢ facteurs a(a+1)(a+2) &¢....(a+¢—1). 
Par G. Prarr, Docteur és Sciences de Strasbourg 
Report on the Marine Zoology of Strangford Lough, County Down, 
and corresponding part of the Irish Channel. By G. Dickie, M.D., 
Professor of Natural History, Queen’s College, Belfast 
Suggestions for Statistical Inquiry into the extent to which Mercantile 
Steam Transport Economy is affected by the Constructive Type of 
Shipping, as respects the Proportions of Length, Breadth, and Depth. 
By Cuarztes ATueErTon, Chief Engineer of Her Majesty’s Dock- 
BHI, WOOLWICN - %..ccsaesscevbansvese fesazeteee eee 
Further Report on the Vitality of the Spongiade. By J. S. Bowrr- 
BANK, LL.D., F.R.S., &c. ( With a Plate) 
eeereesecese Bee eee see eeoresese 
On Flax. By Joun P. Hopcss, M.D., F.C.S., Professor of Agriculture, 
Queen’s College, Belfast, and Chemist to the Chemico-Agricultural 
Society of Ulster ........... 
PHP OO RHR H ee eee oee THE EEH See HEE DEO EES EE EES EEE EEE EES 
Report of the Committee on the a caipe gates of Great Britain. By 
Major-General Sasine ss 
ee #00080 te ees esr oeree Peveeceocere 
. 104 
Page 
57 
62 
101 - 
112 
121 
126 
130 
