PALEONTOGMPHICAL SOCIETY. 



VOLUME LXXI. 



CONTAINING 



1. THE WEALDEN AND PURBECK FISHES. Part III. By Dr. A. S. Woodward. Six Plates. 



2. THE PLIOCENE MOLLUSCA. Part IV. By Mr. F. W. Harmer. Title-page and Index to Vol. I. 



3. THE PALAEOZOIC ASTEROZOA. Part IV. By Dr. W. K. Spencer. Twenty-six Text-figures. 



4. THE CAMBRIAN TRILOBITES. Part V. By Mr. P. Lake. Four Plates. 



ISSUED FOR 1917. 



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LONDON: 

 PRINTED FOR THE PAL^EONTOGRAPHICAL SOCIETY. 



AGENTS FOR THE SOCIETY 



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

 APRIL, 1919. 



