[1915-19-] 



238 



RIBEIRO, C. Obit.— See Choffat, P., 7. 



RIBONI, P. La separazione elettrostatica dei minerali. Rendic. R. 1st. 



lomb. ser. 2, xlix. pp. 649-660, fig. 1916. 

 RICCIARDI, L. II terremoto del 13 gennaio 1915. Bol. Soc. Nat. Napoli, 



xxviii. Atti, pp. 11-30. 1915. A.C. 

 RICCO, A. Parossismo dello Stromboli nel 1915. Atti R. Acc. Lincei, ser. 



5, Rendic. xxv. sem. 1, pp. 251-259. 1916. 

 RICE, G. S. Report on " Bumps " and Outbursts of Gas in the Mines of 



Crowsnest Pass Coalfield, B.C. Ann. Rep. Dep. Mines, B.C. 1917, pp. 



327-352, 8 pis. [mine-plans]. 1918. 

 2. Review of the Coal Situation of the World. Trans. Am. Inst. M. E. 



lix. pp. 376-388, figs, [diagrams]. 1918. 

 3, & Others. Gas and Oil Wells through Coal Seams. Trans. Am. Inst. 



M.E. 1. pp. 870-882. 1915. 

 RICH, J. L. Notes on the Physiography and Glacial Geology of the Northern 



Catskill Mountains. Am. Journ. Sci. ser. 4, xxxix. pp. 137-166, figs. 



[glaciol. map.] 1915. 

 ■ 2. Some Peculiarities of Glacial Erosion near the margin of the 



Continental Glacier in Central Illinois. [Abstract.] Bidl. Qeol. Soc. 



Am. xxvi. pp. 70-73, fig. [map] & pi. vii. 1915. 

 3. Oil and Gas in the Birds Quadrangle [Illinois]. Bull. III. Geol. 



Surv. no. 33, pp. 105-145, figs. & pis. iv-vii [geol. maps & sections]. 1916. 

 4. Oil and Gas in the Vincennes Quadrangle [Illinois]. Ibid. pp. 147- 



175, fig. & pis. viii-x [geol. maps & sections]. 1916. 

 5. Local Glaciation in the Catskill Mountains. Bull. Geol. Soc. Am. 



xxviii. p. 133. 1917. 

 6. An Old Erosion Surface in Idaho : Is it Eocene ? Econ. Geol. xiii. 



pp. 120-136, fig. [sketch-map]. 1918. [See also Lindgren, W., 8; c£? 



Livingston, D. C] 



7, & E. A. Filmer. The Interglacial Gorges of Six Mile Creek at Ithaca, 



New York. Journ. Geol., Chicago, xxiii. pp. 59-80, figs, [contour-map 

 & sections. 1 1915. 



RICHARD, L. M. Copper Deposits in the " Red Beds " of Texas. Econ. 



Geol. x. pp. 634-650. 1915. 

 RICHARDS, H. C. The Volcanic Rocks of South-eastern Queensland. 



Proc. Roy. Soc. Queensland, xxvii. pp. 105-204, pis. v— x [geol. sketch- 

 map]. 1916. A.C. 

 2. The Building Stones of Queensland. Ibid. xxx. pp. 97-158, fia;s. 



& pis. viii-x. 1918. A.C. 

 3. The Volcanic Rocks of Springsure, Central Queensland. Ibid. 



xxx. pp. 179-198, figs, [map & geol. sections] & pi. xii. 1918. A.C. 

 4. The Nature, Occurrence, and Origin of Alunogen at Vandyke, near 



Springsure, Central Queensland. Ibid. xxx. pp. 199-208, figs. 1918. 



A.C. 



RICHARDS, R. W., & G. R. Mansfield. Geology of the Phosphate Deposits 



North-east of Georgetown, Idaho. Bull. U.S. Geol. Surv. no. 577, pp. 



1-76, figs. & pis. i-xiv [geol. maps & sections]. 1914. 

 RICHARDS, T. W. Sir William Ramsay. [Obit.] Proc. Am. Phil. Soc. 



Ivi. pp. iii-viii. 1917. 

 ■ 2, & C. Wadsworth. The Density of Lead from Radio-active Minerals. 



Chem. News, cxiii. pp. 97-99. 1916. 

 3, ■ . Density of Radio -Lead from Pure Norwegian Cleveite. 



Proc. Nat. Acad. Sci., Washington, ii. pp. 505-506. 1916; & Chem. 



News, cxv. p. 149. 1917. 

 RICHARDSON, F. W. Estimation of Dissolved Gases in Water. Water, 



xxi. p. 65. 1919. 



RICHARDSON, G. B. Petroleum near Dayton, New Mexico. Bull. U.S. 



Geol. Surv. no. 541, pp. 135-140, figs, [sketch-map]. 1914. 

 2. Note on the Age of the Scranton Coal, Denver Basin, Colorado. Am. 



Journ. Sci. ser. 4, xliii, pp. 243-244. 1917. 

 3. Note on Appalachian Oil-field Brines. Econ. Geol. xii. pp. 39-41. 



1917. 



■ . See also British Association. 



RICHARDSON, J. W. M. See Birkenhead. 



RICHARDSON, L. A Deep Boring at Chavenage, near Tetbury, Gloucester- 

 shire. Proc. Cotteswold Nat. F.-C. xviii. pp. 243-246. 1914. 



2. A Boring in the Lower Lias at Wallsworth Hall, near Gloucester. 



Ibid. pp. 247- 249. 1914. 



