iv CONTENTS. 
Page 
On the Lead Mining Districts of Yorkshire. ks SrerHEN Eppy, 
Carlton, Skipton) 2. °.elecssosscausasesdeheswasigasaneeGeeenarayemess: LO 
On the re of Glass Globes and Cylinders By W. FarrpBatrn, 
fenott on the Marine Fauna of the = South and West Cate of *Treland. 
By E. Percevat Wricut, M.B., A.B., F.L.S., M.R.LA., Director 
of the Museum, and Lecturer on uoliaey: University of Dublin; and 
J. Reay Greene, A.B., M.R.I.A., Professor of Natural History, 
Queen's College; Cork: \ Part 12°(1858) .i.....-. 2. .cerscs-scaseassosvedeeee LID 
On Experiments on the Measurement of Water by Triangular Notches 
in Weir Boards. By James Tuomson, A.M., C.E., Professor of 
Civil Engineering, Queen’s College, Belfast . A iehbakgpatanetens Lem 
Report of the Committee on the me Biot of Great Britain. 
By Major-General SABINE . ete ICT sev sien oan aes ave nnsiavgptanieaane LOR 
Report on Animal, Vegetable, a and Mineral Substances imported from 
Foreign Countries into the Clyde (including the Ports of Glasgow, 
Greenock, and Port Glasgow) in the years 1853, 1854, 1855, 1856, 
1857. se MicHAEL Connal, sie and Witt1aM Keppig, Esq., 
Glasgow... Lider ete hy SEAMEN DRG oA cB et sab ates See wes, cdssapeteacs LOO 
Report of the Committee on Slifpping Statistics. Presented to the 
British. Association, September 1858. .........0.scccseccccssccsccsecscsecee DOD 
Notice of the Instruments employed in the Magnetic Survey of Ireland, 
with some of the Results. By the Rev. H. Luoyp, D.D., M.R.LA... 260 
Report of Dublin Dredging Committee, aay 1857-58. at Pro- 
fessor J. R. Kivanan, M.D., M.R.LA.. penees desede bouieditess \ sites 
Report on Crustacea of Dublin District. By ded anus une 
M.D., M.R.1.A., Professor of Zoology in the Department of Science 
and Art.—Part I. Decapoda Podophthalmata ............cssseeceeeeeees 262 
On River Steamers, their Form, Construction, and Fittings, with refer- 
ence to the necessity for improving the present means of Shallow 
Water Navigation on the Rivers of British India. By ANDREW 
Henpenrson, A.l.C. Bas WiSehig Bel Matis aacesasicecssncos svsscsasstennan 20D 
Report of the Belfast Dredging Committee. By Grorcz C. HynpMan 282 
Appendix to Mr. Vignoles’ paper.‘ On the Adaptation of Suspension 
Bridges to sustain the passage of ee Trains” (Rept. Brit. Assoc. 
Report of the Joe. Committee of the Royal Sauls aad ‘the British 
Association, for procuring a continuance of the Magnetic and 
Meteorological Observatories ........ssssescenesecssenecscoserssconsessegesee, DOD 
Description of a Self-recording Siecdaueiet By R. Beil, sate 
ant at the Kew Observatory of the British Association ............«.. 306 
