webks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 55 
409 Kemp (James Furman). Some remarks on titaniferous magnetites. 
Am. Geol., vol. xxii, p. 62 (£ p.), 1898. 
Contains summary of paper read before the New York Academy of 
Sciences. 
410 [Abstracts of papers read before the Geological Society of 
America at the Montreal meeting, December, 1897.] 
Science, new ser., vol. vii, pp. 48-53, 79-85, 1898. 
411 [Review of "The Marquette iron -bearing district of Michigan, 
with atlas," by 0. R. Van Hise and W. S. Bayley.] 
Science, new ser., vol. vii, pp. 137-138, 1898. 
412 Minerals of the copper mines at Ducktown, Tennessee. 
Science, new ser., vol. viii, pp. 839-810, (£ p.), 1898. 
Contains summary of paper read before the New York Academy of 
Sciences. 
413 Geological occurrence and associates of the telluride gold 
ores. 
The Mineral Industry, 1897, pp. 295-320, 1898. 
Refers to occurrence of telluride ores in the United States and other 
countries and gives list of papers describing such occurrences. 
414 Kennedy (J. 0.). The Wyoming copper region. 
Eng. and Mg. Jour., vol lxvi, pp. 640-641, 1 fig., 1898. 
Describes the general geology of the locality in southern Wyoming 
and the occurrence of copper. 
415 Keyes (Charles R.). The geological occurrence of clays. 
Mo. Geol. Surv., vol. xi, pp. 35-48, 1896. 
Describes the occurrence of clay in the various geologic formations 
of Missouri. 
416 The use of local names in geology. 
Jour, of Geol., vol vi, pp. 161-170, 1898. 
Discusses the general principles of geologic nomenclature and the 
use of local names in stratigraphy. 
417 — — [Contribution to "A symposium of the classification and 
nomenclature of geologic time divisions."] 
Jour, of Geol., vol. vi, pp. 347-352, 1898. 
418 Probable stratigraphical equivalents of the Coal Measures of 
Arkansas. 
Jour, of Geol., vol. vi, pp. 356-365, 2 figs., 1898. 
Describes the sequence of the Coal Measures of Arkansas and dis- 
cusses their relations with the Des Moines and Missourian series. 
419 [Review of recent papers on the stratigraphy of the southern 
Ozarks.] 
Jour, of Geol., vol. vi, pp. 652-658, 1898. 
