■ ; 





PALiEONTOGRAPH ^AL SOCIETY. 



VOL. XLI. 



FOSSIL SPONGES. 



Part II. 



Pages 93—188 ; Plate IX. 



PALEOZOIC PHYLLO ODi, 



(PHYLLOCARIDA, Packar ) 

 Part I. 



(ceratiocarid^e: 



Pages 1—72; Plates I— XII. 



JURASSIC GASTEROPODA. 



Part I, No. 2. 



(GASTEROPODA of the INFERIOR OOLITE.) 



Pages 57—136; Plates I -VI. 



INFERIOR OOLITE AMMONITES. 



Part II. 



Pages 25—56; Plates VII— XIV. 



Issued for 1887. 



