LIST OF ILLUSTRATIONS. 
Plates I. II. III. IV. V. VI. — Dr. Caepenter’s Eesearches on the Foraminifera. 
Plates VII. VIII. — Professor Owen on some Eemains of a Gigantic Land-Lizard from 
Australia. 
Plate IX. — Mr. Gassiot on the Stratifications in Electrical Discharges. 
Plate X. — Professor Owen on the Vertebral Characters of the OidLex Pterosauria. 
Plates XI. XII. XIII. XIV. XV. — Professor Owen on the Fossil Mammals of 
Australia. 
Plates XVI. XVII. XVIII. — Mr. Lubbock on the Ova and Pseudova of Insects. 
Plates XIX. XX. XXI. XXII. XXIII. XXIV. XXV.— Mr. J. L. Claeke on the Grey 
Substance of the Spinal Cord. 
Plates XXVI. XXVII.— Mr. G. V. Ellis on the Nature of the Involuntary Muscular 
Tissue of the Urinary Bladder. 
Plates XXVIII. XXIX. XXX. XXXI. XXXII.— Professor Henfeey on the Anatomy 
of Victoria regia. 
Plates XXXIII. XXXIV. — Dr. E. Smith on the Chemical and other Phenomena of 
Eespiration. 
Plates XXXV. XXXVI. — Dr. E. Smith on the Action of Foods upon the Eespiration. 
Plates XXXVII. XXXVIII. XXXIX. XL. XLI.— Professor Owen on the Mega- 
therium. 
Plate XLII. — Dr. Fare on the Construction of Life-Tables. 
Plates XLIII. XLIV. XLV. XLVI. XLVII. XLVIII.— Professor Bunsen and Dr. 
H. E. Eoscoe’s Photo-Chemical Eesearches — Part IV. 
Plates illustrating Professor Tyndall’s Paper on the Physical Phenomena of Glaciers 
are placed opposite pages 266 and 267. 
