390 • The Amcricaii Geologist. Junc,i898 
Knight, W.C. 
Some new Jurassic vertebrates from Wyoming. (Am. Jour. Sci., 
ser. 4, vol. 5. pp. 378-381, May 1898.) 
Kunz, G. F. 
Precious stones. (U. S. Geol. Survey, i8th Ann. Rept., pt. 5, pp. 
1183-1217, 1897.) 
Leverett, Frank. 
The weathered zone (Yarmouth) between the Illinoian and Kansan 
till sheets. (Jour. Geo!., vol. 6, pp. 238-243, Apr.-May 1898.) 
Leverett, Frank. 
The Peorian soil and weathered zone (Toronto formation?). (Jour. 
Geol., vol. 6, pp. 244-249, Apr.-May 1898.) 
Linton, Edwin. 
On the formation of new ravines. (Am. Geol., vol. 21, pp. 329-330, 
May 1898.) 
Mabry, T. O. 
The brown or yellow loam of north Mississippi, and its relation to 
the northern drift. (Jour. Geol., vol. 6, pp. 2'jyy:)2, Apr.-May 1898.) 
Middleton, Jefferson. 
Statistics of the clay-working industries in the United States in 
1896. (U. S. Geol. Survey, i8th Ann. Rept., pt. 5, pp. 1077-1104, 1897.) 
Moore, Clias. 
The Ontonagon copper bowlder in the U. S. National Museum. 
(U. S. Nat. Museum, Rept. for 1895, pp. 1021-1030, pis. 1-2, 1897.) 
Moses, A. J. 
An introduction to the study and experimental determination of 
the characters of crystals. Part IL The optical characters. (School 
of Mines Quarterly, vol. 19, pp. 113-149, Jan. 1898.) 
Newberry, S. B. 
Portland cement. (U. S. Geol. Stirvey, i8th Ann. Rept., pt. 5, pp. 
1169-1177, 1897,) 
Newsom, J. F. 
A geological section across southern Indiana, from Hanover to 
Vincennes. (Jour. Geol., vol. 6, pp. 250-256, pi. 11, Apr.-May 1898.) 
Nordenskjold, Otto. 
Tertiary and Quaternary deposits in the Magellan territories. (Am. 
Geol.. vol. 21, pp. 300-309, May 1898.) 
Ollphant, F. H. 
Petroleum. (U. S. Geol. Survey, i8th Ann. Rept., pt. 5, pp. 
747-893, 1897.) 
Oiiphiant, F. H. 
Natural gas. (U. S. Geol. Survey, i8th Ann. Rept., pt. 5, pp. 
895-918, 1897.) 
Osborn, H. F. 
A complete skeleton of Teleoceras, the true rhinoceras from the 
upper Miocene of Kansas. (Science, new ser., vol. 7, pp. 554-557, Apr. 
22, 1898.) 
