LIST OF ILLUSTRATIONS, 
Plate 1.— Professor P. M. Duncan on Guynia cinnulata . 
Plates II. to XI.-— Professor Owen on the Fossil Mammals of Australia. 
Plate XII.— The Astronomer Royal, Corrected Wave-lengths for Kirchhopf’s Spectral 
Lines. 
Plates XIII. to XVI. — Professor A. Macalister on the Myology of the Cheiroptera, 
Plates XVII. to XXIII, — Professor Owen on the Fossil Mammals of Australia. 
Plates XXIV. to XXXI -—Professor W. C, Williamson on the Organization of the 
Fossil Plants of the Coal-measures. 
