LIST OF ILLUSTRATIONS. 
Plates XLI. to XLVII. — Report on the Exploration of Brixham Cave. 
Plate XLVIII. — The Earl of Rosse on the Radiation of Heat from the Moon. 
Plates XLIX. & L. — Dr. Rudolph von Willemoes-Suhm on a new Genus of Amphipod 
Crustaceans. 
Plates LI. & LII. — Mr. J. Norman Lockyer on Spectrum-Analysis in connexion with 
the Spectrum of the Sun. 
