[i8 99 .] 



98 



TURNER, H. G. On Manganese-Ore in India [Vizagapatam, Madras]. Journ. 



Iron Sf Steel Inst. 1. pp. 155-160. 1897. 

 TURNER, H. W. The Occurrence and Origin of Diamonds in California. Am. 



Geol. xxiii. pp. 182-191. 1899. 

 2. Some Rock-forming Biotites and Amphiboles. With Analyses by W. F. 



Hillebr a.nd , H. N. Stokes, and W. Valentine. Am. Journ. Sci. ser. 4, 



vii. pp. 294-298. 1899. 

 3. Granitic Rocks of the Sierra Nevada. Journ. Geol. Chicago, vii. pp. 141- 



162, fig. 1899. 



«— 4. Replacement Ore-Deposits in the Sierra Nevada. Ibid. pp. 389-400, pi. v. 

 1899. 



. See HlLLEBRAND, W. F. 



TWELVETREES, W. H., & W. F. Petterd. Supplementary Note on Limurite 

 in Tasmania. Troc. Boy. Soc. Tasm. 1898-99, pp. (1-2). 1899. A.C. 



, 2. On Haiiyne-Trachyte and allied Rocks in the Districts of Port Cygnet 



and Oyster Cove. Ibid. pp. (3-26), 2 pis. 1899. A.C. 



, 3. Note on Humeri of Tasmanian Labyrinthodonts. Ibid. pp. (27-31), 



lpl. 1899. A.C. 



TWISS, J. H. See Glass, J. G. H., &c. 



TYRRELL, J. B. Natural Resources of the Barren Lands of Canada. Scot. Geogr. 



Mag. xv. pp. 126-138, 2 pis. 1898. 

 2. Geology of the Klondike Region. r Abstract.] Mines Sf Minerals, 



Scranton, xx. p. 118. 1899. 

 TZWETiEV, M. Nautiloidea et Ammonoidea de la Section inferieure du Calcaire 



Carbonifere de la Russie Centrale. Mem. Com. aeol. Bussie, viii. no. 4, pp. i-viii, 



1-46, pis. i-vi. 1898. 

 UDDEN, J. A. The Mechanical Composition of Wind-Deposits. Pp. 1-69. Rock 



Island (111.). 1898. A.C. 



■ 2. Loess as a Land Deposit. Bull. Geol. Soc. Am. ix. pp. 6-9. 1898. 



3. Geology of Muscatine County. Ann. Bejp. Iowa Geol. Surv. 1898, ix. 



pp. 247-388, figs., pis. v-vii, & 2 maps, jJ^. 1899. 

 4. The Sweetland-Creek Beds [Iowa]. Journ. Geol. Chicago, vii. pp. 65-78. 



1899. 



■ 5. Dipterus in the American Middle Devonian. Ibid. pp. 494-495, fig. 1899. 



UGOLINI, P. R. Molluschi continentali Fossili nella Terra Rossa di Agnano nel 



Monte Pisano. Boll. Soc. geol. ital. xviii. pp. 71-75. 1899. 

 — — 2. Molluschi Nuovi o Poco Noti del Pliocene della Val d'Era. Riv. ital. 



Baleont. Bologna, v. pp. 25-29, figs. 1899. 

 UHLICH, P. See Dahlblom, T. 



UPHAM, W. Niagara Gorge and Saint Davids Channel. Bull. Geol. Soc. Am. 



ix. pp. 101-110. 1898. 

 2. Modified Drift and the Champlain Epoch. Am. Geol. xxiii. pp. 319-324. 



1899. 



3. Glacial History of the New England Islands, Cape Cod, and Long Island. 



Ibid. xxiv. pp. 79-92. 1899. 

 UROSCHEVICH, S. Ueber eine Pseudomorphose von Asbest nach Biotit. 



Zeitschr.f. Kryst. xxxi. pp. 389-390. 1899. 

 USELADE, J. Sur les Vesti ges d'une ancienne Forteresse Vitrifiee, au Bourg de 



Saint-Sauveur, dans la Vallee superieure de la Dore (Puy-de-D6me). C. B. 



Acad. Sci. Baris, cxxix. p. 981. 1899. 

 USSHER, R. J. The Great Auk, once an Irish Bird. Irish Nat. viii. pp. 1-3, fig., 



pi. i. 1899. 



USSHER, W. A. E. Geological Survey of England and Wales. 1-inch Geological 



Map, n. s. Sheet 340. Otterton (Drift), 1899 ; & Sheet 349. Ivybridge (Drift), 



1899; also Sheet 350. Torquay (Drift), 1898. 

 — . See Woodward, H. B. 

 U&SING, N. V. Sandstengange i Granit paa Bornholm. Ban. geol. Undersog. 



ser. 2, no. 10, pp. 87-100. 1899. 

 VACEK, M. Franz Ritter von Hauer. [Obit.] Verh. Tc.-k. geol. Beichsanst. 



1899, pp. 119-126. 1899. 

 — 2. Ueber die geologischen Verhaltnisse der Umgebung von Roveredo. Ibid. 



pp. 184-204. 1899. 

 VALENTIN, J. See Obit., Blum, J. 

 VALENTINE. W. See Turner, H. W. 



VALLEE POUSSIN, C. de la. Rapport sur le Memoire de M. J. De Windt, 

 'Sur les Rocbes considerees comme Cambriennes des Massifs de Rocroi, du 

 Brabant et de Stavelot.' Bull, Acad. Bo y. Belg. ser. 3, xxxiv. pp. 224-232. 1897 . 



