PALiEONTOGRAPHICAL SOCIETY. 

 



SUPPLEMENT TO THE FOSSIL COEALS. Part IV.— No. 1 (Liassic). By Dr. Dukcan. Eleven 

 Plates. 



THE TRILOBITES OF THE SILURIAN, DEVONIAN, &c., FORMATIONS. Part IV (Silurian). 



By Mr. J. W. Salter. Six Plates. 

 THE FOSSIL BRACHIOPODA. Part VII.— No. 2 (Silurian). By Mr. Davidson. Ten Plates. 

 THE BELEMNlTIDiE. Part III (Liassic Belemnites). By Professor Phillips. Thirteen Plates. 



VOLUME XX. 



CONTAINING 



ISSUED rOE 1866. 



JUNE, 1867. 



