Authors' Catalogue. 71 
Palache, Chas. 
The Geological Congress in Russia. (Am. Nat., vol. 31, pp. 951-960, 
Nov. 1897.) 
Pirsson, L. V. 
On the corundum-bearing rock from Yogo gulch, Montana. (Am. 
Jour. Sci., ser. 4, vol. 4, pp. 421-423, Dec. 1897.) 
Pratt, J. H. 
On the crystallography of the Montana sapphires. (Am. Jour. Sci., 
ser. 4, vol. 4, pp. 424-428, Dec. 1897.) 
Prosser, C. S. 
The Permian and Upper Carboniferous of southern Kansas. (Kans. 
Univ. Quart., vol. 6, pp. 149-175, pis. 18-19, Oct. 1897.) 
Sardeson, F. W. 
On glacial deposits in the Driftless area. (Am. Geol., vol. 20, pp. 
392-403, Dec. 1897.) 
Spurr, J. E. 
The measurement of faults. (Jour, of Geol., vol. 5, pp. 723-729, 
Oct.-Nov. 1897.) 
Tight, W. G. 
Some preglacial drainage features of southern Ohio. (Bull. Sci. 
Lab. of Denison Univ., vol. 9, pt. 2, pp. 22-32, pis. 3 and A-C, 
Mch. 1897.) 
Tight, W. G. 
A preglacial valley in Fairfield county [Ohio]. (Bull. Sci. Lab. of 
Denison Univ., vol. 9, pt. 2, pp. zz-il, pls. 4 and D-F, Mch. 1897.) 
Udden, J. A. 
A brief description of the section of Devonian rocks exposed in the 
vicinity of Rock Island, Ills., with a statement of the nature of its fish 
rernains. (Jour . Cincinnati Soc. Nat. Hist., vol. 19, no. 3, pp. 93-95, 
Nov. 13, 1897.) 
Upham, Warren. 
Drumlins containing or lying on modified drift. (Am. Geo!., vol. 
20, pp. 383-387, Dec. 1897.) 
Weller, Stuart. 
On the presence of problematic fossil medusae in the Niagara lime- 
stone of northern Illinois. (Jour, of Geol., vol. 5, pp. 744-751, i pi., 
Oct.-Nov. 1897.) 
Whiteaves, J. F. 
The fossils of the Galena-Trenton and Black River formations of 
lake Winnipeg and its vicinity. (Geol. Sur. of Canada, Palaeozoic 
Fossils, vol. 3, pt. 3, pp. 129-242, pis. 16-22, Apr. 1897.) 
Wiliiston, S, W. 
Range and distribution of the mosasaurs, with remarks on synonymy. 
(Kans. Univ. Quart., vol. 6, pp. 177-185, pi. 20, Oct. 1897.) 
Wiliiston, S. W. 
A new labyrinthodont from the Kansas Carboniferous. (Kans. Univ. 
Quart., vol. 6, pp. 209-210, pi. 21, Oct. 1897.) 
