﻿138 Canadian Record of Science. 



" The only Canadian example I have seen is from a 

 loose boulder of Silurian age, from Hayes Kiver, Hudson's 

 Bay," collected by Dr. R Bell in 1878. Nicholson, on 

 page 315 of the paper in the Annals and Magazine of 

 Natural History indicated in the preceding reference. 



Syringosthoma Ktstigouchense, Spencer. (Sp.) 



Ca^nostroma Ristigouchense, Spencer. 1884. Bull. Mus. Univ. 



Missouri, vol. I., No. 1, p. 49, 

 pi. 6, fig. 12. 

 Syringostroma Ristigoitchense, Nicholson. 1886. Mon. Brit. 



Stromatop., pt. 1, p. 97, pi. 11, 



figs. 11 and 12 : and, 1891, 



Ann. and Mag. Nat. Hist., 



ser. 6, vol. YII., p. 324, pi. 8, 



figs. 6-8. 



In rocks believed to be of the age of the Lower Helder- 



berg limestone of the State of New York, at Dalhousie, 



N.B., where specimens were collected by Sir J. W. Dawson 



and A. H. Foord in 1881. 



{Devonian species.) 



AcTiNOSTROMA EXPANSUM, Hall and Whitfield. (Sp.) 



Stromatopora expansa, Hall and Whitfield. 1873. Twenty- 

 third Keg. Eep. N. Y. St. Cab. Nat. 

 Hist., p. 226, pi. 9, fig. 9. 

 Actinostroma expansuni, Nicholson. 1891. Ann. and Mag. 

 Nat. Hist., ser. 6, vol. YIL, p. 316, 

 pi. 10, figs. 1 and 2. 

 Lake Winnipegosis, in limestone holding Stringocephalus 

 Bnrtini, at a small island on the south-east side of Dawson 

 Bay, where two specimens were collected by Mr. J. B. 

 Tyrrell in 1889. 



