93 



[1904.] 



SPENCEK, A. C. Pacific-Mountain Sj^stem in British Columbia and Alaska. Bull. 



Geol. Soc. Am. xiv. pp. 117-132, pis. viii-xiii [sleet cli-map]. 1903. 

 2. Mineral-Resources of the Encampment Copper-Region, Wyoming. BnU. 



U.S. Geol. Sttrv. no. 213. Contrib. Econ. Geol. 1902, pp. 158-162. 1903. 

 3. Reconnaissance-Examination of the Copper-Deposits at Pearl (Colo). Bull. 



U.S. Geol. Surv. no. 213. Contrib. Econ. Geol. 1902, pp. 163-169. 1903. 

 4. Manganese-Deposits of Santiago (Cuba). Bull. U.S. Geol. Surv. no. 213. 



Contrib. Econ. Geol. 1902, pp. 251-255. 1903. 

 5, Genesis of the Magnetite-Deposits in Sussex Co. (N.J.). Ilbiing 3Iag., 



N.T. X. pp. 377-381, figs. 1904. A.C. 

 6. The Copper-Deposits of the Encampment District, Wyoming. Prof. 



Papers, U.S. Geol. Surv. no. 25, pp. 1-107, figs., pis. i & ii [geol. mapj. 



1904. 



. See also Emmons, S. F., 4. 



SPENCER, J. W. Submarine Valleys off the American Coast and in the North 

 Atlantic. Bull. Geol. Soc. Am. xiv. pp. 207-226, figs., pis. xix-xx [charts]. 

 1903. And A.C. 



2. A Rejoinder to Dr. Dall's Criticism on Dr. Spencer's Hypothesis con- 

 cerning the late Union of Cuba with Florida. Am. Geol. xxxiv. pp. 110-119. 

 1904. 



3. The Submarine Great Canon of the Hudson River. Am. Geol. xxxiv. 



pp. 292-293. 1&04. 



SPENCER, W. K. On the Structure and Affinities of Pala;odischs and Agela- 



crinus. Proc. Poy. Soc. Ixxiv. pp. 31-46, figs., pi. i. 1904. 

 SPICER, Rev. E. C. Sarsen-Stones in a Clay-Pit. [Bradenham (Bucks),] Abs. 



Proc. G. S. 1904-1905, p. 5. 1904. 



2. Fossil ' Rain-Drops.' [Triassic] Nature, Ixix. p. 535. 1904. 



SPILLER, J. Recent Coast-Erosion in Suffolk: Dunwich to Covehithe. Geol. 



Hag. dec. 5, i. pp. 502-504. 1904. 

 SPRIESTERSBACH, J. Vorlaufige Mittheilung fiber die Stellung der devonischen 



Schichten in der Umgebung von Remscheid. Ce?itralbl. f. Min. 1904, pp. 599- 



603. 1904. 



SPRING, W. Sur la Decomposition de quelques Sulfates acides a la Suite d'une 

 Deformation mecanique. Ann. Soc. geol. Belg., IJege, xxxi. Bull. pp. 152-154. 

 1904. 



SPURR, J. E. Descriptive Geology of Nevada, South of the Fortieth Parallel, and 



Adjacent Portions of California. Bull. U.S. Geol. Surv. no. 208, pp. 1-229, 



figs., pis. i-viii [geol. maps]. 1903. 

 2. Ore-Deposits of Tonopah and Neighbouring Districts, Nevada. Bull. U.S. 



Geol. Surv. no. 213. Contrib. Econ. Geol. 1902, pp. [80-87] ; also ibid. no. 219, 



pp. 1-31, figs., pi. i [geol. map]. 1903. 

 3. A Consideration of Igneous Rocks and their Segregation or Differentiation 



as Related to the Occurrence of Ores. Trans. Am. Inst. 3I.E. xxxiii. pp. 288- 



340. 1903. 

 . See also Emmons, S. F., 4. 



SQUINABOL, S. Piante fossili di Contra Cantone (No vale). Atti e Hem. B. 



Acc. Sci. Padova, n. s. xix. pp. 51-56, figs. 1903. 

 2. Radiolarie fossili di Teolo (Euganei). Atti e Jlem. B. Acc, Sci. Padova 



n. s. xix. pp. 127-130. 1903. 

 3. Le Radiolarie dei Noduli selciosi nella Scaglia degli Euganei. I. Biv. ital. 



Paleont. ix. pp. 105-144, fig., pis. viii-x. 1903. 

 4. Les Chaudrons du Brenton. C. R. Assoc. fran^. Av. Sci. xxxii. pt. 1, 



p. 186 ; & pt. 2, pp. 506-509. 1904. 

 STAHL, A. F. Die orographischen und geologischen Verhaltnisse des Karadagh in 



Persien. Peterm. Mitth. 1. pp. 227-235, pi. xvii [geol. map]. 1904. 

 STAINIER, X. Decouverte de Troncs d'Arbres-debout au Charbonnage d'Oignies- 



Aiseau. Bull. Soc. beige Geol., Brux. xvii. Hem. pp. 539-544, pi. vi ; & 



Proc.-verb. pp. 576-577. 1904. 

 2. Curiosites archaso-geologiques. [Geology in the past in Belgium.] Bull. 



Soc. beige Geol., Brux. xvii. Proc.-verb. pp. 643-655. 1904. 

 3. Des Relations genetiques entre les differents Bassins Houillers beiges. Bull. 



Soc. helge Geol., Brux. xviii. Mem. pp. 187-205, 1904. 

 4. Un Conglomerat du Houiller mo^'en de Liege. Bull. Soc. beige Geol., 



Brux. xviii. Proc.-verb. pp. 95-98. 1904. 

 5. Du Caractere eraptif de la Porphyroide de Grand-Manil. Btill. Soc. beige 



Geol., Brux. xviii. Proc.-verb. pp. 170-173, fig. 1904. 

 6. Sur des Mineraux du Terrain Houiller de Belgique. Bull. Soc. beige Geol.^ 



Brux. xviii. Proc.-verb. pp. 173-177. 1904. 



