weeks.! PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1896. 95 
701 Wilson (Andrew Gordon). Frozen streams of the Iowa drift 
border. 
Am. Geol., vol. xvii, pp. 364-371, 1896. 
Describes peculiar Glacial phenomena of the region and discusses 
their origin. 
762 Subdivisions of the Upper Silurian in northeastern Iowa. 
Abstract: Am. Assoc. Adv. Sci., Proc, vol. xliv, p. 137 (9 1.), 1896. 
763 Winchell (N. H.). Microscopic characters of the Fisher meteor- 
ite (Minnesota No. 1 ). 
Am. Geol., vol. xvii, pp. 173-176 and 234-238, 1896. 
Describes the microscopic characters of the material. 
764 The Black Eiver limestone at Lake Mpissing. 
Am. Geol., vol. xviii, pp. 178-179, 1896. 
Gives a list of fossils collected from the limestone and describes its 
characteristics. 
765 The Arlington iron — Minnesota,* No. 2. 
Am. Geol., vol. xviii, pp. 267-271, pi. x, 1896. 
Describes the occurrence of the meteoric iron and gives a chemical 
analysis. 
766 and Grant (U. S.). Volcanic ash from the north shore of 
Lake Superior. 
Am. Geol., vol. xviii, pp. 211-213, 1896. 
Describes the occurrence and megascopic characters of the rock from 
Keweenawan strata in Minnesota. 
767 Winslow (Arthur). The disseminated lead ores of southeastern 
Missouri. 
U. S. Geol. Surv., Bull. No. 132, 31 pp., 1896. 
Describes the stratigraphic and lithologic features of the Archean 
and Ordovician strata, the geologic structure and the distribution and 
character of the ore bodies, with notes on the mines. Accompanied by 
a geologic map. 
768 A report on the Higginsville sheet, Lafayette County 
[Missouri]. 
Mo. Geol. Surv., vol. ix, sheet rept. No. 1, 99 pp., pis. i-iii, figs. 1-7, 1896. 
Describes the physiography of the region, the distribution and charac- 
ters of the Carboniferous and Quaternary formations, and the occur- 
rence and character of the coal seams. 
769 The Pevier sheet, including portions of Macon, Randolph, and 
Chariton counties [Missouri]. 
Mo. Geol. Surv., sheet No. 2, 1893. 
Includes an abstract of accompanying report on the geology, a 
geologic and topographic map, and a sheet of columnar and structure 
sections. 
770 The Iron Mountain sheet, including portions of Iron, St. 
Francois, and Madison counties [Missouri]. 
Mo. Geol Surv., sheet No. 3, 1894. 
Gives an abstract of accompanying report on the geology, a geologic 
map of the region, and a sheet of structure and columnar sections. 
