Vol. LVIII. MAY 15th, 1902. No. 230. 
Part 2, | 
GEOLOGICAL SOCIETY. 
EDITED BY 
THE ASSISTANT-SECRETARY. 
[With Five Plates, illustrating Papers by Mr. Strahan, 
Mr. Gardiner & Prof. Reynolds, and Miss Donald. | 
LONDON; 
LONGMANS, GREEN, AND CO. 
PARIS:—CHARLES KLINCKSIECK, 11 RUH DE LILLE. 
LEIPZIG :—T. O. WEIGEL. 
SOLD ALSO AT THE APARTMENTS OF THE SOCIETY, 
Price Five Shillings. 
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