PAL.EONTOGRAPHICAL society. 



VOL. LXXI 



THE WEALDEN AND PURBECK 

 FISHES. 



Part III. 



Pages i— viii, 105—148; Plates XXI— XXVI. 

 Title-page and Index. 



THE PLIOCENE MOLLUSCA. 



Part IV. 

 Pages i — xii, 463 — 483. Title-page and Index to Vol. I. 



THE PALEOZOIC ASTEROZOA. 



Part IV. 



Pages 169—196. 



THE CAMBRrAN TRILOBITES. 



Part V. 

 Pages 89—120; Plates XI- XIV. 



Issued for 1917. 



