BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 131 
McGregor, J. II. 
1664. The Phytosauria, with special reference t<> Mystriosuchus and Bhyti- 
dodon. — Am. Mus. Nat. Hist.. Mem., vol. 9, i>t. 2. pp. 29 101. <; pis.. 26 figs., Feb- 
ruary, 11)06. 
(Jives a full discussion of the taxonomic history and relationships, and a classification 
of the Phytosauria. 
Machacek, Fritz. 
1665. Die Appalachien. — Vierteljahrsheften fur den geogr. Unterricht, Wien, 
Jahrg. 2, pp. 61-7r>, 1903. 
Describes the physiographic features and general structure of the Appalachians. 
Mclnnes, William. 
1666. [Report on] the headwaters of tin 1 Winisk and Attawapiskal Rivers. — 
Canada Geol. Survey, Stnnni. Kept, for 1905, pp. 76-80, 1906. 
Includes data upon the rock exposures in the area examined. 
1667. Explorations along the proposed line of the Hudson Bay Railway. — 
Canada Geol. Survey, Sunini. Rept. for 1000. pp. 87-98, 1906. 
Includes notes on the geology of the area examined. 
Mcintosh, Kenneth. 
1668. The question of subsidence at Louisbourg, Cap*' Breton.— Nova Scotian 
Inst. Sci., Trans., vol. 11, pt. 2, pp. 204-270. L906. 
Presents evidence to show that there has been no recent subsidence of the coast 
of Nova Scotia. 
Mclntyre, Albert W. 
1669. Copper deposits of Washington. — Am. Min. Congr., Rept. of Proc., Oth 
Ann. Sess., pp. 238-250, 1007. 
McKee, Ralph II. 
1670. The primeval atmosphere. — Science, new ser., vol. 23, pp. 271-274, 
I February 10, 1900. 
McLaughlin, R. P. 
1671. Geology of the Bodie district. California. — .Min. and Sci. Press, vol. 
1)4, i*]). 795-790, 1 fig., June 22. L907. 
Mallet, J. W. 
1672. A stony meteorite from Coon Butte, Arizona. — Am. Jour. Sci., 4th ser., 
vol. 21, pp. 347-355, 4 figs., May. 1906. 
Describes the occurrence, characters, and composition. 
Mansfield, George Rogers. 
1673. Post -Pleistocene drainage modifications in the Black Hills and P>i.u r - 
horn Mountains. — Harvard Coll., Mns. Comp. Zool., Bull., vol. 40 (Geol. Ser., 
vol. 8, no. 3), pp. 50-X7, 4 pis. (maps), 9 figs., 1906. 
1674. The origin and structure of the Roxbury conglomerate. — Harvard 
. Coll., Mns. Comp. Zool., Hull., vol. 49 (Geol. Ser., vol. 8, no. 4), pp. 91-271, 7 
pis., lo figs., 1906. 
Discusses the origin of conglomerates in general, and dcs.-i ihes the lithology, distribu 
lion, relations, and structure of the Roxbury [Massachusetts] conglomerate and discus*-.^ 
its origin. 
1675. The characteristics of various types of conglomerates. Jour. Geology, 
vol. ir», no. 6, pp. 550-555, 1007. 
Manson, Marsden. 
1676. Climats des temps g£ologiques, leur developpement et lenrs causes. 
Congr. geol. intern., C. R. 10 e sess.. Mexico, 1906, pp. 349 lie. l' pis., L907. 
