98 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY^ [bull. 162. 
860 Weller (Stuart). The Batesville sandstone of Arkansas. 
N. Y. Acad. Sci., Trans., vol. xvi, pp. 251-282, pis. xix-xxi: Review 
by C. R. Keyes, Am. Geol., vol. xxi, pp. 129-131, 1898. 
Reviews the literature on the formation, describes fossils recently 
collected, and discusses its correlation from the paleontologic and 
stratigraphic data. 
861 Description of a new species of Hydreionocrinus from the Coal 
Measures of Kansas. 
N. Y. Acad. Sci., Trans., vol. xvi, pp. 372-374, pi. xxxvi, 1898. 
862 Description of Devonian cricoids and blastoids from Milwau- 
kee, Wisconsin. 
N. Y. Acad. Sci., Annals, vol. xi, pp. 117-124, pi. xiv, 1898. 
Gives a brief account of the Devonian rocks and a description of sev- 
eral new species. 
863 [Beview of " Fourteenth Annual Eeport of the New York 
State Geologist for 1894."J 
Jour, of Geol., vol. vi, pp. 205-207, 1898. 
864 Classification of the Mississippian series. 
Jour, of Geol., vol. vi, pp. 303-314, figs. A-B, 1898. 
Discusses the principles of geologic classification; describes the geo- 
logic history prior to and during the formation of the Mississippian 
series and the character of the fauna and jmysical changes of the 
Osage epoch. 
865 The Silurian fauna interpreted on the epicontinental basis. 
Jour, of Geol., vol. vi, pp. 692-703, 2 figs., 1898. 
Discusses the character of the movement at the close of the Ordovi- 
cian, the distribution of Silurian sediments, and the connection between 
the Silurian waters of Europe and America; compares the fauna of the 
two regions. 
866 [Review of "The Naples fauna (fauna with Manticoceras intu- 
mescens) in western New York," by John M. Clarke.] 
Jour, of Geol., vol. vi, pp. 855-857, 1898. 
86^ — — Osage vs. Augusta. 
Am. Geol., vol. xxii, pp. 12-16, 1898. 
Discusses the nomenclature of the Mississippian series. 
868 Wells (J. Walter). The inispickel ores of Deloro, Ontario. 
Federated Can. Mg. Inst., Jour., vol. ii, pp. 127-133, 1897. 
Describes the character and occurrence of the gold-bearing veins. 
869 Wheeler (H. A.). Clay deposits [Missouri]. 
Mo. Geol. Surv., vol. xi, 622 pp., 39 pis., 15 figs., 1896; Abstracting, 
and Mg. Jour., vol. lxvi, pp. 426-427, 1898. 
Describes character, origin, and classification of clay, its chemical 
and physical properties, and the occurrence of clay in various parts of 
Missouri. 
