PLATE VIII. 



Glyptoceinus kamulosus (page 57). 



Figure la. A crushed specimen, with part of the column attached. 

 " 16. The column of la, enlarged. 

 " Ic, Id. Columns found along with la. 

 " le. A portion of one of the arms, enlarged. 

 [ See also Plate VII. ] 



Glyptoceinus lacunosus .(page 61). 



Figure 3a. A specimen with part of the column attached. 

 " 36. Fragment of a different specimen. 

 " 3c, 3c?, 3e. Columns of this species. 



Glyptoceinus quinquepaetitus. 



Figure 4a-46. Columns such as the specimen represented by these figures are not 

 uncommon in the upper part of the Trenton limestone, at the 

 City of Ottawa. 



