THE 



CANADIAN NATURALIST. 



SECOND SERIES. 



♦- 



NOTES ON SOME OF THE MORE REMARKABLE 

 GENERA OF SILURIAN AND DEVONIAN FOSSILS. 



By E. Billings, F.G.S. 

 {Continued from page 198.) 



Genus Beatricea, Billings. 



. A specimen of B. undulata from the upper part of the Hudson River 

 formation, Rabbit Island, Lake Huron. The original is four feet 

 seven inches in length. 2. Diagram showing- the internal structure 

 of Beatricea. 3. Section of a Cystiphyllum. 



The fossils of this genus are elongated sub-cylindrical or club- 

 shaped bodies, from one to twelve inches in diameter and from six 

 Vol. ii. bb No. 6. 



