LIST OF ILLUSTRATIONS. 
Plates I. & II. — Mr. T. G. Bunt’s Discussion of Tide Observations at Bristol. 
Plates III. to V. — Dr. Pettigrew on the Muscular Arrangements of the Bladder and 
Prostate. 
Plate VI. — Mr. H. Wilde’s Experimental Researches in Magnetism and Electricity. 
Plate VII. — Mr. J. W. Hulke on the Anatomy of the Fovea Centralis of the Human 
Retina. 
Plate VIII. — Messrs. A. V. Harcourt and W. Esson on the Laws of Connexion between 
the Conditions of a Chemical Change and its Amount. 
Plate IX. — Dr. Everett on the Rigidity of Glass. 
Plate X. — Mr. J. Lockhart Clarke on the Structure of the Optic Lobes of the Cuttle- 
fish. 
Plates XI. to XIV. — ]\Ir. St. George Mivart on the Skeleton of the Primates. 
Plates XV. to XVIII. — Dr. W. H. Ransom on the Ovum of Osseous Fishes. 
Plate XIX. — Dr. G. Neumayer on the Lunar-diurnal Variation of the Magnetic Decli- 
nation. 
Plate XX. — Professor Cayley’s Eighth Memoir on Qualities. 
Plates XXI. & XXII. — Professor Roscoe on the Chemical Intensity of Total Daylight 
at Kew and Para. 
Plates XXIII. to XXV. — Dr. Sanderson on the Influence exercised by the Movements 
of Respiration on the Circulation of the Blood. 
Plates XXVI. to XXVIII. — Dr. Gunther on the Anatomy of Hatteria. 
Plates XXIX. & XXX. — Mr. W. H. Flower on the Development and Succession of 
the Teeth in Marsupialia. 
Plates XXXI. & XXXII. — Dr. P. M. Duncan on the Genera Heterophyllia , Battersbyia . 
Palceocyclus, and Asterosmilia. 
