L. 1). Burling — The Albertella Fauna. 



469 



Art. XLYI. — The Alheriella Fauna Located in the Middle 

 Cambrian of British Columbia and Alberta ;* by Lancas- 

 ter D. Burling. 



As announced at the Washington meeting of the Geological 

 Society of Americaf the reference of the Albertella fauna to 

 the Middle Cambrianf has been confirmed by the discovery on 



Fig. 1. 





SSH> 



IsESaglfe k 



Pig. 1. Outcrop of the Albertella shale member of the Cathedral forma- 

 tion on Mt. Bosworth, B. C. The thickness of the bed is 7 feet, the figure 

 being so far back of the beds shown in foreground as to make them appear 

 thicker. 



Mount Bosworth of the parent ledge of the drift block which 

 has been so often described. The inability of either Mr. Wal- 

 cott or myself, jointly or severally, to find this bed during the 



* Published by permission of Deputy Minister of Mines. 



f See 1 and 2 of the literature references at the end of the article. 



