IV CONTENTS. 



Page 



Researches on the Influence of Light on the Germination of Seeds and 

 the Growth of Plants. By Mr. Robert Hunt, Secretary to the 

 Royal Cornwall Polytechnic Society 75 



Report on the Fossil Fishes of the Devonian System or Old Red Sand- 

 stone. By Louis Agassiz, Professor of Natural History at Neuf- 

 chatel 80 



Appendix to a Report on the Strength and other Properties of Cast 

 Iron obtained from the Hot and Cold Blast. By William Fair- 

 bairn, Esq 88 



Report of the Committee appointed at the Meeting of the British As- 

 sociation held at Plymouth, in 1841, for registering Shocks of Earth- 

 quakes in Great Britain. By David Milne, Esq., M.A., F.R.S.E. 92 



Report of a Committee appointed at the Tenth Meeting of the Asso- 

 ciation for the Construction of a Constant Indicator for Steam-en- 

 gines, and for the determination of the Velocity of the Piston of the 

 Self-acting Engine at different periods of the Stroke. Members of 

 the Committee : — Eaton Hodgkinson, Esq., F.R.S.; J. Enys, Esq. ; 

 the Rev. Professor Moseley, M.A., F.R.S. (Reporter) 98 



Report of a Committee on the Form of Ships. By John Scott Rus- 

 sell, M.A 104- 



Report of a Committee appointed " to consider of the rules by which 

 the Nomenclature of Zoology may be established on a uniform and 

 permanent basis" 105 



Report of a Committee of the British Association for the Advancement 

 of Science, consisting of Lieut.-Colonel Sykes, F.R.S. ; Lord San- 

 don, M.P. ; G. R. Porter, Esq., F.R.S. ; J. Heywood, Esq., F.R.S. ; 

 Dr. W. P. Alison; and E. Chadwick, Esq., on the Vital Statistics 

 of large Towns in Scotland 121 



Provisional Reports, and Notices of Progress in Special Researches en- 

 trusted to Committees and Individuals 205 



ERRATUM. 

 Page 12, line 10 of Sections, for directed read vertical. 



TO THE BINDER. 

 There are only Two Plates in this volume, which are numbered II and IV. 



