114 



TRANSACTIONS OF THE 



[Feb. 23 



often constitutes tbeir walls, is left unsliaded ; the liglit yellow 

 phospLorite is indicated by a faint shading, and the brown 

 amorphous phosphate by a darker shade. Id a few of the 

 bodies, minute round grains of carbonaceous matter also occur, 

 though the general absence of any organic matter visible to the 

 eye is rather remarkable, considering the abundance of fossils 

 in this seam, and the little altered character of the beds. 



The identification of the figures, as far as made, is by my 

 father, G. F. Matthew. 



Plate 3. Figs. 5, 7, and 8 are probably Foraminifera. 

 rest are 3Io7iadites. 



The 



