44 PROCEEDINGS OF THE PITTSBURGH MEETING 



New locality of the green turquoise known as Clialcbuite and on the identity 

 of turquoise with the Callais or Callaina of Pliny. Vol. xxv, 1883, pp. 

 197-200. 



Cassiterite, spodumene, and beryl in the Black Hills, Dakota. Vol. xxvi, 1883, 

 p. 235. 



Crystallized gold in prismatic forms. Vol. xxviii, 1884, pp. 57-58. 



Columbite in the Black Hills of Dakota. Vol. xxviii, 1884, pp. 340-341. 



Spodumene crystals of gigantic size. Vol. xxix, 1885, p. 71. 



New localities of erythrite. Vol. xxx, 1885, p. 163. 



Mineralogical notes. (On Arizona.) Vol. xxxix, 1890, pp. 43-45. 



Columbite of the Black Hills, South Dakota. Vol. xli, 1891, pp. 403-405. 



American Journal of Science, Fourth Series: 

 lodobromite in Arizona. Vol. xxix, 1905, p. 230. 

 Tourmaline of Crown Point, New York. Vol. xxv, 1908, pp. 123-124. 



American Geologist: 

 Age of the limestone strata of Deep Creek, Utah, and the occurrence of gold 



in the crystalline portions of the formation. Vol. ix, 1892, pp. 47-48. 

 Relative abundance of gold in different geological formations. Vol. ix, 1892, 



pp. 166-168. 

 Trilobites in the oil rock horizon of the Trenton limestone. Vol. xiv, 1894, 



pp. 133-134. 

 Gypsum beds in southern Arizona. Vol. xviii, 1896, p. 394. 

 Oscillations of the level of the Pacific coast of the United States. Vol. xxi, 



1898, pp. 164-165. 

 Anthracite coal in Arizona. Vol. xxi, 1898, pp. 345-346. 

 Remains of a species of Bos in Quaternary of Arizona, and Bison Latifrons 



and Bos Arizonica. Vol. xxii, 1898, pp. 67-72, 247-248. 

 Remains of the mammoth in Arizona. Vol. xxvi, 1900, p. 257. 

 Some salient features in the geology of Arizona, with evidences of shallow seas 



in Paleozoic time. Vol. xxvii, 1901, pp. 160-167. 



Engineering and Mining Journal: 

 The geology and veins of Tombstone, Arizona. 1882, pp. 145-146, 157, 231, 232, 



328. 

 Porphyry dike. Tombstone District, Arizona.. Vol. xxxiv, 1882, pp. 29-30. 

 Geology of the Silver King mine. Vol. xxxv, 1883, pp. 254-256. 

 The Vulture mine and W. P. Blake. Vol. liii, 1892, p. 249. 

 The Dolcoath tin mine, Cornwall. Vol. liv, 1894, p. 414. 

 The persistence of ores in lodes in depth. Vol. Iv, 1893, p. 3. 

 The Fortuna gold mine, Arizona. Vol. Ixiii, 1897, 664-665. 

 Native sodium carbonate. Vol. Ixv, 1898, p. 188. 

 Wolframite in Arizona. Vol. Ixv, 1898, p. 608. 

 Mining in Arizona. Vol. Ixv, 1899, p. 5. 

 The geology of the Galiuro Mountains, Arizona, and of the gold-bearing ledge 



known as Gold Mountain. Vol. Ixxiii, 1902, pp. 546-547. 

 Petroleum. (Abstract of, address, Missouri School of Mines.) Vol. Ixxiii. 



1903, p. 349. 

 Mining in the Southwest. Vol. Ixxvii, 1904, pp. 35-37. 



