PALEONTOGRAPHICAL SOCIETY, 



VOLUME XL. 



CONTAINING 



ST1GMARIA FICOIDES. By Prof. W. Crawford Williamson. Fifteen Plates. 

 FOSSIL SPONGES. Part I. By Dr. G. J. Hinde. Eight Plates. 

 JURASSIC GASTEROPODA. Part 1, No. 1. By Mr. W. H. Htjdleston. 

 INFERIOR OOLITE AMMONITES. Part I. By Mr. S. S. Buckman. Six Plates. 

 PLEISTOCENE MAMMALIA. Part VI. By Prof. W. Boyu Dawkins. Seven Plates. 



ISSUED rOIl 1886. 



MARCH, 1887. 



