LIST OF ILLUSTRATIONS. 
Plates 40 to 45.—Dr. G. J. Hinde on Beds of Sponge-remains in the Lower and 
Upper Greensand of the South of England. 
Plates 46 to 52. —Dr. J. Hopkinson on the Magnetisation of Iron. 
Plates 53 to 56. —Professor W. N. Hartley on the Absorption Spectra of the 
Alkaloids. 
Plates 57 to 68. —Professor J. A. Ewing on Experimental Researches in Magnetism. 
Plates 69 and 70. —Dr. C. A. Mac Munn’s Observations on the Chromatology of 
Actiniae. 
Plates 71 to 73. —Professor F. 0. Bower on the Development and Morphology of 
Phylloglossum Drummondii. 
Plate 74.—Sir G. B. Airy on Results deduced from the Measures of Terrestrial 
Magnetic Force in the Horizontal Plane. 
Plate 75.—Mr. W. Crookes on Radiant Matter Spectroscopy. 
