64 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 149. 
464 Macfarlane (Graham). The eastern coal regions of Kentucky. 
Am. lust. Mg. Engrs , Trans., vol. xxv, pp. 518-532, figs. 1-5, 1896. 
(Jives a section showing the vertical distribution of the coal seams 
and describes the general features of the Coal Measures of the region. 
465 McG-ee (W. J.). Expedition to Seriland [Mexico]. 
Science, new ser., vol. iii, pp. 493-505, 1896. 
Describes briefly the geueral geographic and geologic features of the 
region. 
46G Two erosion epochs. Another suggestion. 
Science, new ser., vol. iii, pp. 796-799, 1896. 
Discusses the evidences of the age of the deposition and degradation 
of the Potomac and Lafayette formations 
467 MacKay (A. H.). A foraminiferous deposit from the bottom of 
the North Atlantic. 
N. S. Inst. Sci., Proc. and Trans., 2d ser., vol. ii, pp. 64-67, 1896. 
Describes the character of the material and names the species deter- 
mined. 
468 Marbut (Curtis Fletcher). Dictionary of altitudes [Missouri]. 
Mo. Geol. Surv., vol. viii, pp. 227-316, 1895. 
Gives the altitudes of localities in various parts of the State and 
along the several railway lines. 
469 Physical features of Missouri. 
Mo. Geol. Surv., vol. x, pp. 14-109, pis. i-xi, figs. 1-19, 1896. 
Describes the hydrographic and physiographic features of Missouri 
and discusses the age of the peneplain. 
470 Woodworth (J. B.) and. The Queen's Eiver moraine in 
Ehode Island. 
See Woodworth (J. B.) and Marbut (C. F.), No. 778. 
471 Shaler (N. S.), Woodworth (J. B.), and. The glacial brick 
clays of Rhode Island and southeastern Massachusetts. 
See Shaler (N. S.), Woodworth (J. B.), and Marbut (C. F.), No. 612. 
472 Marcou (Jules). The Jura of Texas. 
Boston Soc. Nat. Hist., Proc, vol. xxvii, pp. 149-158, 1896. 
Reviews the literature on the subject and discusses the paleontologic 
evidence as to the age of certain areas in Texas. 
473 The Jura in the United States. 
Science, new ser., vol. iv, pp. 945-947, 1896. 
Discusses briefly the age of the Potomac formation. 
474 Margerie (Emmanuel de). Catalogue des Bibliographies g6olo- 
giques. Paris, 1896. 733 pp. 
475 Marsh (Othniel C). On the Pithecanthropus erectus from the 
Tertiary of Java. 
Abstract: Am. Jour. Sci., 4th ser., vol. i, pp. 475-482, pi. xiii, figs. 1-6, 
1896. 
