[1904.] 



14 



BILLOWS, E. Su d'uua Roccia di Filone di Tovreglia (Eugauei) con Geodi di 

 Calcite e Quarzo ametista e rutilifero. Riv. min. Sf crist. ital. xxx. pp. 84-97. 

 1904. 



2. Sulla Celestite di Monte Viale nel Vicentino. Hiv. min. Sf crist. ital. xxxi. 



pp. 2-28, 1 pi. 1904. 

 BIRKINBINE, J. Iron-Ores. U.S. Geol. Surv., Min. Besources, 1902, pp. 41-73. 



1904. 



2. Manganese-Ores. U.S. Geol. Surv., Min. Besotirces, 1902, pp. 133-161. 



1904. 



BISTRAM, A. VON. Das Dolomitgebiet der Luganer Alpen. Geologlscli-palaonto- 

 logisclie Studien in den Comasker Alpen, II. Ber.natnrf. Gesellsch Freibiirg- 



i. -Br. xiv. pp. 1-84, figs., pis. i-iii [geol. map]. 1904. 

 . See also SteinmanjST, G., 4. 



BLAAS, J. Der Klinocompass. Jalirh. k.-Tc. geol. Reichsanst. liii. pp. 453-458, 

 figs. 1903. 



BLAKE, G. S. The Asplialt-Industiy of Trinidad (W.I.). Bidl. Imp. Inst. i. 

 pp. li-lv. 1903. 



2. New Indian Coalfields. [Salt Range, Punjab, & Assam.] Bull. Imp. Inst. 



ii. pp. 185-186. 1904. 



. See also Brown, H. ; Dunstan, W. R., 1-4 & 6; Sf Heney, T. A., 1, 3-5, 



& 8. 



BLAKE, J. F. Note on the Species ' Am. plicatilis ' and ^Am. hipl ex' of Sovverhy. 



Geol. Mag. dec. 5, i. pp. 162-166. 1904. 

 2. Tlie Silurian Cephalopoda [of the Ludlow District]. Proc. Geol. Assoc. 



xviii. pp. 451-454. 1904. 

 BLAKE, W. V. Tombstone and its Mines. A Report upon the Past and Present 



Condition of the Mines of Tombstone, Cochise Co. (Ariz.). Pp. 1-83, 



figs. 8vo. New York, 1902; [Abstract] Trans. Am. Inst. M. E. xxxiv. 



pp. 668-670. 1904. And A.C. 

 2. Diatom-Earth in Arizona. Trans. Am. Inst. 31. JE. xxxiii. pp. 38-45. 



1903. 



3. Copper-Ore and Garnet in Association. Trans. Am. Inst. M. E. xxxiv. 



pp. 886-890. 1904. And A.C. 



4. Superficial Blackening and Discoloration of Rocks, especially in Desert- 

 Regions. Trans. Am. Inst. M. E. xxxv. (pp. 1-5). 1904. A.C. 



5. Evidences of Plication in the Rocks of Cananea, Sonora (Mex.). Trans. 



Am. Inst. M. E. xxxv. (pp. 1-2). 1904. A.C. 



. See also Adams, G. I., 5. 



BLANCKENHORN, M. See Rauep, H., 2. 



BLANFORD, W. T. Note on the supposed Locality ' Sulgranees,' whence Dr. J. E. 



Gray's Type-Specimens of Indian Jurassic Ammonites were said to have been 



obtained. Bee. Geol. Surv. India, xxxi. p. 46. 1904. 

 BLASIUS, W. Feuersteingerathe aus dem neuen Theil der Baumannshohle [near 



Riibeland (Harz)]. Jahresh. Ver. Naturw. Braunschtveig, 1893-95, pp. 13-15. 



1903. 



2. Neue Funde fossiler Knochen im Gebiete des Herzogthums Braun- 

 schweig. Jahresh. Ver. Naturw. Braunschtveig , 1893-95, pp. 44-45, 68-69. 

 1903. 



3. Fortsetzung der Ausgrabungen in den neuen Theilen der Baumannshohle 



bei Riibeland am Harzeim Jahre 1901. Jahresh. Ver. Naturw. Braunschweig, 



1901-03, pp. 72-74. 1903. 

 BLATCHPORD, T. The Phillips-River Mining District. Bull. Geol. Surv. 



W. Austral, no. 5, pp. 1-21 [geol. map]. 1900. 

 BLATCHLEY, W. S. Twenty-eighth Annual Report of the Department of 



Geology and Natural Resources of Indiana, 1903. Pp. 7-10 & 79-257, figs. 



[geol. map]. 8vo. Indianopolis, 1904. 

 BLELOCH, W. Remarks on the Main-Reef Horizon in the Klerksdorp District. 



Trans. Geol. Soc. S. A. vi. pp. 116-122. 1904. [_See also Kuntz, J., 3.] 

 BLOCK, J. See Philippson, A., 2. 



BCECKH, H. Ueber den Ficlitelit. FdUt. Kdzl. xxxiv. pp. 335-336, 369-370, fig. 

 1904- 



BOECKH, J. Direktions-Bericht, 1901. Jahresh. k.-ttng. geol. Anst. 1901, 

 pp. 5-43. 1903. 



BQEGGILD, 0. B. On some Minerals from the Neplielite-Syenite at Julianehaab, 

 Greenland. [Erikite and Schizolite.] Meddel. Grdnland, xxvi. pp. 91-139, 

 figs. 1904. 



2. Samples of the Sea-Floor along the Coast of East Greenland. Meddel. 



Grdnland, xxvii. pp. 17-96, pis, i-ix [geol. map]. 1904. 



