LIST OF PLATES. 



PLATES I., ir., 



Illustrative of a Report on the present State of our Knowledge of the Crustacea. 



PLATE III. 

 Illustrative of the Report of the Rainfall Committee. 



PLATE IV. 

 Illustrative of a Paper on Tides in the River Mersey, by J. N. Shoolbred, C.E. 



PLATES Y., VI. 

 Illustrative of the Third Report on the Exploration of the Settle Caves. 



PLATE Vn. 



Illustrative of a Paper on the River Avon (Bristol), by Thomas Howard. 



PLATE VIII. 



Illustrative of a Paper on the Analytical Forms called Trees, by Professor 



Cayley. 



PLATES IX., X., XI., XII. 



Illustrative of the Address of W. Froude, Esq., to the Mechanical Section. 



PLATE XIII. 



Illustrative of Papers ou the Speed &c. of Ships by Messrs. W. Denny, J. 

 I. Thomycroft, and J. Woollcy. 



