71 



pany could sell it from 25 to 30 cents per pound with a handsome 

 profit. A commission appointed by the United States Government to 

 examine the probable quantity of nickel in the Sudbury district has 

 given a very glowing report to their government. It is highly probable, 

 however, as can be seen from the above figures that our mines could 

 supply the whole demand, even if the other sources of supply did not 

 produce anything. It has been decided by the United States Govern- 

 ment to make use of nickel steel armour plates, and already the con- 

 tract has been awarded so that there is every prospect of a brilliant 

 future for this mining industry around Sudbury. In view of our im- 

 mense deposits it will be necessary to increase its consumption in every 

 possible direction. 



fo:- 



BOOK NOTICE. 



— \^ 



Catalogue of Canadian Plants. Part V. Acrogens. By John 

 Macoun, M.A., F.L.S., F.R.S.C. 1890. 



The fifth part of Prof. Macoun's great work appeared last autumn 

 and would have been noticed sooner but for promises made previously 

 with regard to other matter printed in The Naturalist. As already 

 stated, we consider Prof. Macoun's catalogue the most important work 

 which has appeared on Canadian botany. Nor is this appreciation of 

 our Canadian Linnsus confined to ourselves. J. E. Bagnall, writing 

 in the Midlaiid Natu7alist, published at Birmingham, England, says in 

 the February number : " This concludes Vol. II of this valuable work, 

 the first 45 pages being devoted to an enumeiation of the ferns and 

 fern allies, with a full account of their geographical distribution through 

 the Dominion of Canada ; and as in the preceding portions of this 

 work, the treatment throughout is excellent, and characteristic of the 

 scientific acumen and indefatigable zeal of the author. The remain 



