20 BIBLIOGEAPHY OF NORTH AMERICAN GEOLOGY, [bull. 271. 
Barney (W. G.). 
1. The Silver Bell Mountains, Arizona. 
Eng. & Mg. Jour., vol. 78, pp. 755-756, 1904. 
Describes the occurrence, character, and geologic relations of copper-ore 
deposits. 
Bascom (Florence). 
1. Water resources of the Philadelphia district. 
U. S. Geol. Surv., Water-Supply and Irrigation Paper no. 106, 75 pp., 4 pis., 
3 figs., 1904. 
Includes a short general account of the physiography and stratigraphy, and 
of the igneous and sedimentary rocks of the area. 
Baskerville (Charles) and Kunz (George F.). 
1. Kunzite and its unique properties. 
Am. Jour. Sci., 4th ser., vol. 18, pp. 25-28, 2 figs., 1904. 
Bassler (K. 8.), Ulrich (E. O.) and. 
1. A revision of the Paleozoic bryozoa. Part I. On genera and 
species of Ctenostomata. 
See Ulrich (E. O.) and Bassler (R. S.), 1. 
2. A revision of the Paleozoic bryozoa. Part II. On genera and! 
species of Trepostomata. 
See Ulrich (E. O.) and Bassler (R. S.), 2. 
3. Systematic paleontology of the Miocene deposits: Ostracoda. 
See Ulrich (E. O.) and Bassler (R. S.), 3. 
4. Systematic paleontology of the Miocene deposits: Bryozoa. 
See Ulrich (E. O.) and Bassler (R. S.), 4. 
B[ather] (F. A.). 
1. The term Bradfordian. 
Science, new ser., vol. 19, pp. 434-435, 1904. 
Calls attention to the fact that the term Bradfordian has been used for Euro 
pean Mesozoic rocks. 
Bauer (Max). 
1. Jadeit und Chloromelanite in Form prahistorischer Artefakte aus 
Guatemala. 
Centralbl. f. Min., Geol. u. Pal., pp. 65-79, 1 fig., 1904. 
Describes the character and structure of jade and chloromelanite used by pre 
historic people in Guatemala. 
Bayley (William Shirley). 
1. The Menominee iron -bearing district of Michigan. 
U. S. Geol. Surv., Mon., vol 46, 513 pp., 43 pis., 54 figs., 1904. 
Reviews the literature bearing on the subject, describes the physiography o 
the region, the character and occurrence of Archean, Algonkian and Paleo 
zoic rocks, and the occurrence, character, and mining of the iron ores, an( 
gives an outline of the geologic history. 
2. Notes on the wells, springs, and general water resources of Maine 
U. S. Geol. Surv., Water-Supply and Irrigation Paper no. 102, pp. 27-55, 1904 
