[1915-19-] 



264 



SOLLAS, W J., 2. The Skull of Ichthyosaurus, Studied in Serial Sections. 



Phil. Trans. Roy. Soc. ccviii. ser. B, pp. 63-126, figs. & pi. i. 1916. 

 3. On the Restoration of Certain Fossils by Serial Sections. Rep. Brit. 



Assoc. 1915, pp. 426-427. 1916. 

 4. On a Flaked Flint from the Red Crag. [Abstract.] Abs. Proc. 



G. S. 1917-18, p. 24. 1918. 

 . See also Sollas, Igerna B. J. 



SOLLIED, P. R. De vigtigste broendmaterialer og deres varmevserdi. 



Naturen, Bergen, xli. pp. 289-304, 334-344. 1917. 

 SOLLY, H. S. Early Man in Dorset. Proc. Dorset Nat. Hist. F.-C. xxxvi. pp. 



28-40. 1915. 



SOLLY, R. H. A Lead-grey, Fibrous Mineral from the Binn Valley, Switzer- 

 land, With a Chemical Analysis by G. T. Prior. Min. Mag. xviii. pp. 

 360-362. 1919. 



2. A New Mineral Isomorphous with Trechmannite, from the Binn Valley, 



Switzerland. Ibid. pp. 363-365. 1919. 

 . See also Smith, G. F. H., 7. 



SOLMS-LAUBACH, H. Graf ztj. Obit.— See Scott, D. H., 3; Stapf, O. ; 



& Woodward, A. S., 8. 

 SOMERS, R. E. Geology of the Burro Mountains Copper District, New 



Mexico. Trans. Am. Inst. M.E. Hi. pp. 604-644, figs, [topogr. & geol. 



map]. 1916. 

 . See also Riks, H., 8. 



SOMIGLIANA, C. Sulla propagazione delle onde sismiche. Atti R. Acc. 



Lincei, r ser. 5, Rendic. xxvi. sem. 1, pp. 369-381, 472-480. 1917; Ibid. 



xxvii. sem. 1, pp. 13-20. 1918. [See also Oddone, E., 3.] 

 ■ 2. Sur la theorie des ondes sismiques : C. R. Acad. Sci., Paris, elxviii. 



pp. 108-111. 1919. 

 . See also Porro, F., 3; & Rein a, V., 3. 



SOPER, E. K. The Buried Rock Surface and Pre-Glacial River Valley of 

 Minneapolis and Vicinity. Journ. Geol., Chicago, xxiii. pp. 444-460, 

 figs, [contour-map & geol. sections]. 1915. 



2. The Peat Deposits of Minnesota. Econ. Oeol. xii. pp. 526-540, pis. 



xxxi-xxxiv. 1917. 



- — —3. The Effects of Cross Faults on the Richness of Ore. Trans. Am. 



Inst. M. E. lviii. pp. 372-384, figs. 1918. 

 . See also Grout, F. F., 10. 



SOPER, R. H. The Geology of Parahyba and Rio Grande do Norte, Brazil. 



Proc. Am. Phil. Soc. lv. pp. 1-20, figs, [index-map & geol. sections] & pis. 



i-iv [geol. map]. 1916. 

 SORBY, H. C. On the Physical Geography of the Old Red Sandstone of 



Herefordshire. Trans. Woolhope Nat. F.-C, 1908-11, pp. 18-20. 1914. 

 SORDELLI, F. Obit.— See Artini, E., 5; & Tarameixi, T., 8. 

 SOSMAN, R. B. A Study of some Heating Tests. Econ. Geol. xi. pp. 86-87. 



1916. [See also Tarr, W. A., 1 & 4.] 

 2. Types of Prismatic Structure in Igneous Rocks. Journ. Geol., 



Chicago, xxiv. pp. 215-234, figs. 1916. 

 3. Some Problems of the Oxides of Iron. Journ. Wash. Acad. Sci. 



vii. pp. 55-72. 1917. A.C. 

 4. The Work of the Geophysical Laboratory of the Carnegie Institution 



of Washington. Am. Journ. Sci. ser. 4, xlvi. pp. 255-258. 1918. 

 5. & H. E. Merwin. Preliminary Report on the System, lime : ferric oxide. 



Journ. Wash. Acad. Sci. vi. pp. 532-537, fig. [diagram]. 1916. And A.C. 

 6, & J. C. Hostetter. The Ferrous Iron Content and Magnetic Sus- 

 ceptibility of some Artificial and Natural Oxides of Iron. Trans. Am. 



hist. M. E. lviii. pp. 409-433, figs, [diagrams]. 1918. And A.C. 

 7, ■. Zonal Growth in Hematite, and its Bearing on the Origin of 



Certain Iron Ores. Ibid. pp. 434-444, figs, [diagram]. 1918. And A.C. 

 SOUK A, R. See Pruvost, P., 8. 



SOUSA, F. L. P. de. Principais macroseismos em Portugal (Anos de 1911, 



1912, e 1913). Comm. Commiss. Serv. geol., Portugal, x. pp. 199-233, 



1 pi. [geol. map]. 1914. 

 2. (Anos de 1914, 1915, e 1916). Ibid. xii. pp. 102-126, fig. & pis. 



i-iii. [seismol. maps & diagrams]. 1917. 

 3. Sur les macrosismes de 1911, 1912, 1913, 1914, dans le nord du Portugal. 



C. R. Acad. Sci., Paris, clx. pp. 348-350. 1915. 

 . 4. Sur les macrosismes de l'Algarve (sud du Portugal) de 1911 a 1914. 



Ibid, clx. pp. 808-810, 1915, 



