﻿THE FOSSIL TRIGONI^. 



DIRECTIONS TO THE BINDER. 



The Monograph of the Fossil Trigonias will be found in the publications of the Palseontographical 

 Society issued for the years 1872, 1874, 1875, 1877, and 1879. 



Cancel the Title-pages affi.xed to the separate parts in the volumes for the years 1872, 1874, 1875 

 1877, and 1679, and substitute the general Title-page provided in the volume for the year 1879. 



ORDER OF BINDING AND DATES OF PUBLICATION. 



