Authors' Catalogue. 327 
Hidden, W. E., and Pratt, J. H. 
On rhodolite, a new variety of garnet. (Am. Jour. Sci., ser. 4, 
vol. 5, pp. 294-296, Apr. 1898.) 
Jaggar, T. A., Jr. 
An occurrence of acid pegmatyte in diabase. (Am. Geol., vol. 21, 
pp. 203-213, pi. 14, Apr. 1898.) 
Keyes, C. R. 
The use of local names in geology. (Jour. Geol., vol. 6, pp. 161-170, 
Feb.-Mch. 1898.) 
Keyes, C. R. 
Use of the term Augusta in geology. (Am. Geol., vol. 21, pp. 
229-235, Apr. 1898.) 
Knowlton, F. H. 
Report on a collection of fossil plants from the Yukon river. Alaska, 
obtained by Mr. J. E. Spurr and party during the summer of 1896. ' 
(U. S. Geol. Survey, i8th Ann. Rept., pt. 3, pp. 194-196, 1898.) 
Leverett, Frank. 
Water resources of Indiana and Ohio. (U. S. Geol. Sur\ey, i8th 
Ann. Rept., pt. 4, pp. 419-559, pls. 3i-Z7, 1897.) 
Leverett, Frank. 
The weathered zone (Sangamon) between the lowan loess and Illi- 
noian till sheet. (Jour. Geol., vol. 6, pp. 171-181, Feb.-Mch. 1898.) 
Leverett, Frank. 
The weathered zone (Yarmouth) between the Illinoian and Kansan 
till sheet. [Abstract.] (Am. Geol., vol. 21, p. 254, Apr. 1898.) 
Leverett, Frank. 
The weathered zone (Sangamon) between the lowan loess and Illi- 
noian till sheet. [Abstract.] (Am. Geol., vol. 21, pp. 254-2St Apr 
1898.) 
Merrill, G. P. 
Notes on the geology and natural history of the peninsula of Lower 
California. (U. S. Nat. Museum, Rept. for 1895. pp. 969-994, pis i-io 
1897.) 
Penfieid, S. L., and Foote, H. W. 
On clinohedrite, a new mineral from Franklin, N. J. (.\m. Jour. 
Sci., ser. 4, vol. 5, pp. 289-293, Apr. 1898.) 
Pratt, J. H., (Hidden, W. E., and) 
On rhodolite, a new variety of garnet. (Am. Jour. Sci.. ser. 4, vol. 
5, pp. 294-296, Apr. 1898.) 
Preston, H. L. 
San Angelo meteorite. (Am. Jour. Sci., ser. 4. vol. 5. pp. 269-272 
Apr. 1898.) 
Ries, Heinrich. 
Allanite crystals from Mineville, Essex county, N. Y. (N. Y. Acad. 
Sci., Trans., vol. 16, pp. 327-329, 1897.) 
