﻿Canadian Sti'ornatojwroids. 145 



Ontario. " In the specimens thai I have seen, the original 

 matter is all silicified" Spencer. 



Caunopora mirabilis, Spencer. 



Caunopora mirabilis, Spencer. 1884. Bull. Mus. Univ. St. 



Missouri, vol. I., no. 1, p. 47, pi. 6, 



figs. 10, 10, a-h. 

 " Only one specimen has been obtained from the Niagara 

 formation at Hamilton, so far as I am aware." Spencer. 



C.ENOSTROMA BOTRYOIDEUM, Spencer. 



Cmriostovma botryoideuvi, Spenner. 1884. Bull. Mus. Univ. St. 



* Missouri, vol. I., no. 1, p. 50, pi. 6, 



tigs. 13, 13, a-k 



Abundant "in the Upper Niagara beds at Carpenter's 



limekilns, about two and a half miles south of Hamilton, 



Ontario." Spencer. 



DiCTYOSTROMA RETicuLATUM, Spencer. 



Didyostroma retictdatum, Spencer. 1884. Bull. Mus, Univ. 



St. Missouri, vol. I., no. 1, p. 51, 

 pi. 6, figs. 14 and 14a. 

 " It occurs in the cherty beds of the Niagara formation 



at Hamilton, Ontario." Spencer. 



{Devonian species.) 



Stromatopora perforata, Nicholson. 



Stromatopora perforata, Nicholson. 1874. Ann. and Mag. 

 Nat. Hist.,ser. 4, vol. XIIL, p. 11, 

 and p. 12, figs. 2, a-c ; also Kep. 

 Pal. Prov. Ont., p. 15, and p. 16, 

 figs. 3, a-c. 

 " Pvare in the Corniferous limestone of Port Colborne," 

 Ontario. Nicholson. 



10 



