442 Canadian Record of Science. 



Vennor, H. G. : Notes on the Occurrence of Anorthosite. 



Summary Rep. of the Geol. Surv. of Canada, 1879- 



80 ; also Rep. of the Geol. Surv. of Canada, 1876-77, 



pp. 256-268. 

 Vogelsang, H. : Sur le Labradorite Colore de la Cote du 



Labrador. Archives Neerlandaises, T. III. 1868. 

 Van Werveke, L. : Eigenthumliehe Zwillingsbildungen am 



Feldspath mid Diallag. Neues Jahrb. fiir Min. 



1883, II. p. 97. 

 Wichmann, A. : Uber Gesteine von Labrador, Zeitschr. 



d. d. Geol. Ges. 1884. 

 Wilkins, D. J. : Notes on the Geology of the Labrador 



Coast. Canadian Naturalist, 1878. 



Note. — Since the appearance of the original of the pre- 

 sent paper in German, in 1893, a number of additional 

 papers treating of these rocks have appeared. The follow- 

 ing is a list of them : — 



Terrier, W. F. : Notes on the Microscopic Character of 

 some Rocks from the Counties of Quebec and Mont- 

 morency, collected by Mr. A. P. Low, 1889-91. 

 Rep. of the Geol. Survey of Canada, 1890-91, L. 



Kemp, J. F. : Crystalline Limestones, Ophicalcites, and 

 associated Schists of the Eastern Adirondacks. 

 Bull, of the Geol. Soc. of America, Vol. VI. 1895. 



— Gabbros of the Western Shore of Lake Cham plain. 

 Bull, of the Geol. Soc. of America, Vol. V. 1894. 



Lawson, A. C. : The Anorthosytes of the Minnesota Coast 

 of Lake Superior. Geol. and Nat. Hist. Survey of 

 Minnesota, Bull. No. 8, 1893. 



— The Norian Rocks of Canada. Science, May 26th, 

 1893. 



Low, A. P. : The Recent Exploration of the Labrador 

 Peninsula. Canadian Record of Science, Vol. VI. 

 No. 3. 



