52 The American Geologist. January, i904. 
for consecutive reading, than valuable to the advanced speciaHst for 
reference. 
Two ample indexes increase the usefulness and convenience of the 
work, the first in 17 pages, of the authors quoted or referred to, and the 
second, in 66 pages, of subjects. w. u. 
MONTHLY AUTHOR'S CATALOGUE 
OF AMERICAN GEOLOGICAL LITERATURE 
ARRANGED ALPHABETICALLY. 
ADAMS, GEO. I. (G. H. GIRTY and DAVID WHITE). 
Stratigraphy and Paleontology of the Upper Carboniferous rocks 
of the Kansas section. Bull. 211. U. S. G. S., pp. 123, pis. 4, 1903. 
ANDREWS, C. L. 
Muir Glacier. (Nat. Geog. Mag., vol. 14, pp. 441-445, Dec, 1903.) 
ANON. 
Recent Mammoth discoveries. (Rec. Past, vol. 2, pp. 313-317, Oct., 
1903.) 
ASHLEY, GEO. H. 
Geology of the Lower Carboniferous area in southern Indiana. 
<27 Ann. Rep. Dept. Geol. Nat. Res., pp. 53-122, 1903, plates and 
maps.) 
BASKERVILLE, CHARLES (GEO. F. KUNZ and). 
The action of radium, Roentgen rays and ultra-violet light on 
minerals and gems. (Science, vol. 18, Dec. 18, 1903, pp. 769-783.) 
BLAKE, W. P. 
Arizona diatomite. (Trans. Wis. Acad. Sci., Arts and Letters, 
vol. 14, pp. 107-111, pis. 3-8, Sept., 1903.) 
BLAlCHLEY, W. S. 
Twenty- sixth annual i^eport of the Department of Geology and 
Natural Resources, Indiana, for 1901. pp. 448. Indianapolis, 1903. 
BLATCHLEY, W. S. 
Twenty-seventh annual report of the Department of Geology and 
Natural Resources. Indiana, pp. 680, plates and maps. Indianapolis, 
1903. 
BLATCHLEY, W. S. 
Gold and Diamonds in Indiana. (27 An. Rep. Dept. Geol. and Nat. 
Resources, pp. 11-47, plates, 1903.) 
BRAUNER, J. C. 
Is the peak of Fernando de Noronha a volcanic plug like that of 
Mont Pele? (Am. Jour. Sci., vol. 16, pp. 442-444, Dec, 1903.) 
CLARKE, P. E. (G. van INGEN and). 
Disturbed fossiliferous rocks in the vicinity of Rondout, New 
York. (Report of the New York State Paleontologist, 1902, pp. 1175- 
1227.) 
