PAL^ONTOGMPHICAL SOCIETY. 



VOLUME LXXII. 



CONTAINING 



1. THE PLIOCENE MOLLUSCA. Vol. II, Part I. By Mr. F. W. Haemer. Eight Plates. 



2. THE ORDOVICIAN AND SILURIAN BELLEROPHONTACEA. Part I. By Dr. F. R. 



CowPEE Reed. Eight Plates. 



ISSUED FOK 1918. 



■>' 



LONDON: 

 PRINTED FOR THE PAL^ONTOGRAPHICAL SOCIETY. 



AGENTS FOR THE SOCIETY 



DULAU AND CO., LTD., 34-36, MARGARET STREET, CAVENDISH SQUARE, W. 1. 



DECEMBER, 1920. 



