PAL^ONTOGRAPHICAL SOCIETY. 



VOL. LXVI. 



BRITISH GRAPTOLITES. 



Part IX. 

 Pages 415—486 ; Plates XLII— XLIX. 



THE 

 CAMBRIAN TRILOBITES. 



Part IV. 

 Pages 65—88; Plates VII— X. 



THE CRETACEOUS 

 LAMELLIBRANCHIA. 



Vol. II, Part IX. 

 Including Title-page and Index. 



Pages 341—473 : Plates LV— LXII. 



THE FOSSIL 



MALACOSTRACOUS 



CRUSTACEA. 



Title-page and Index. 



Issued eor 1912. 



