84 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, [bull. 271. 
Macallum (A. B.). 
1. The paleochemistry of the ocean in relation to animal and vegetable 
protoplasm. 
Can. Inst., Trans., vol. 7. pp. 535-562, 1904. 
Discusses the relative abundance of certain chemical elements in sea water at 
present and in remote geological ages, and the origin of the physiological 
relation of the chemical elements in blood plasma. 
McCarn (H. L.). 
1. The Planet copper mines [Arizona]. 
Eng. & Mg. Jour., vol. 78, pp. 26-27, 1 tig., 1904. 
Describes the general geology and the occurrence and character of copper ores 
on Big Williams Fork, Arizona, 
McConnell (R. G.) and Brock (R. W.). 
1. Report on the great landslide at Frank, Alberta. 
Can., Dept. Int., Ann. Rept. for 1902-1903, pt. 8, App., 17 pp., 16 pis., 1904. , 
Describes the general geology of Turtle Mountain, and in detail the slide of >( 
April 29, 1903, and discusses its cause. 
McEvoy (James). 
1. Notes on the special features of coal mining in the Crow's Nest, 
B. C. 
Can. Mg. Inst., Jour., vol. 7 (Advance separate, 5 pp., 1904); Can. Mg. Rev., 
vol. 23, p. 51, 1904; Eng. & Mg. Jour., vol. 77, pp. 601-602, 1904. 
Discusses the geologic occurrence and character of the coals of this field. 
McGregor (J. H.). 
1. Tin 1 relationships of the Phytosauria. 
Abstract: Science, new ser., vol. 19, pp. 254-255, 1904. 
McKee (G. \V.). I 
1. Prismatic crystals of hematite. 
Am. Jour. Sci., 4th ser., vol. 17, pp. 241-242, 1 fig., 1904. 
Describes the crystallographic characters. 
Macco (Albr.). 
1. Die Eisenerzlagerstatten am Lake Superior. 
Zeit. f. prak. Geol., Jahrg. 12, pp. 48-5:;, 377-399, 12 figs., 1904. 
Describes general geology, and occurrence and character of the iron-ore 
deposits. 
Malcohnson (J. W.), Kirk (M. P.) and. 
1. A new quicksilver mining district. 
See Kirk (M. P.) and Malcohnson (J. W.), 1. 
Mallery (Willard). 
1 . Native gold in igneous rocks. 
Eng. & Mg. Jour., vol. 77, p. 596, 1904. 
Describes the occurrence of native gold in Oregon. 
Manson (Marsden). 
1. The evolution of climate. 
Abstract: Science, new ser., vol. 20, pp. 801-802, 1904. 
