weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1895. 49 
247 Kemp (J. P.). The zinc mines at Franklin Furnace and Ogdeus- 
burg, N. J. 
Abstract: Am. Assoc. Adv. Sci., Proc, vol. xliii, p. 237 (£ p.). 
248 Darton (N. H.) and. A newly discovered dike at Dewitt, 
near Syracuse, New York. Geological notes by N. II. Dar- 
ton. Petrographic description by J. F. Kemp. 
Am. Jour. Sci., 3d ser., vol. xlix, pp. 456-462. 
See Darton (N. H.) and Kemp (J. F.), No. 110. 
249 Kennedy (William). Iron ores of east Texas. 
Am. Inst. Mg. Engrs., Trans., vol. xxiv, pp. 258-288 and 862-863. 
Gives a historical review of the iron industry of the region, describes 
the general geology, and discusses the age and classification of the ores. 
Gives many chemical analyses of iron ores, and data as to its strength 
and the methods of mining. 
250 The Eocene Tertiary of Texas east of the Brazos Eiver. 
Phila. Acad. Nat. Sci., Proc. 1895, pp. 89-160. 
Compares the Tertiary strata of Alabama and Texas and describes 
tbe character and distribution of the Tertiary rocks of Texas, including 
sections at many localities and lists of fossils collected. Gives a r^sumd 
of the Tertiary history of the Texas region. 
251 Keyes (Charles Rollin). The origin and relations of central Mary- 
land granites. 
U. S. Geol. Surv., 15th Ann. Rept., pp. 685-740, pis. xxxvi-xlviii, figs 
23-29. 
Describes the geologic features and petrographic characters of central. 
Maryland granites. Describes the exposures in different parts of the 
region and discusses the origin and age of tbe granites and gneisses. 
252 Bibliography of Xorth American Paleontology, 1888-1892. 
TJ. S. Geol. Surv., Bull. No. 121, 251 pp. 
Comprises a brief review of paleoutologic literature, and author's list 
of papers, a title index, and subject entries and cross references. 
253 Glacial scorings in Iowa. 
Iowa Geol. Surv., vol. iii, 2d Ann. Rept., pp. 149-165, pis. ix-xv. 
Describes the glacial scorings in various parts of the State and gives 
a table showing the observed directions of the stria 1 . 
254 Gypsum deposits of Iowa. 
Iowa Geol. Surv., vol. iii, 2d Ann. Rept., pp. 259-304, pis. xxi-xxv. 
Describes the topographic and geologic features of the gypsum region 
and the character and extent of the gypsum beds. Discusses their origin 
and geologic age. Presents a geologic map of the gypsum region. 
— Economic geology of Lee County [Iowa]. 
Iowa Geol. Surv., vol. iii, 2d Ann. Rept., pp. 307-407, pis. xxvi-xxxii, 
with geologic map. 
Describes the physiography of the county and the character and dis- 
tribution of tbe subdivisions of the Carboniferous formation. Gives 
sections exposed at various localities and mentions fossils found. De- 
scribes the occurrence of coal, building stone, clay, cement, lime, and 
artesian and mineral waters. 
Bull. 14G 4 
