NORTH AMEEICAN GEOLOGY. 



823 



Ramsay, Andrew C. — Coutinued. 



On the Eozoon and tlie Laurentian 



rocks of Canada. 



Royal Institution (London), Proc, vol. 4, 

 pp. 374-377, 1868. 



Rand, Theodore D. [On a "creep" in 

 Potsdam sandstone near Philadelphia. ] 

 Philadelphia Acad. Soi., Proc. for 1870 

 [vol. 22], p. 134 (i p.), 1870. 



On the rooks near Philadelphia. 



Philadelphia Acad. Sol., Proc., 1877 [vol. 29], 

 pp. 261-254, 1878 



On a helt of serpentine and steatite 



in Radnor Township, Delaware County, 

 Pa. 



Philadelphia Acad. Soi., Proc, 1878 [vol.30], 

 pp. 402-404, 1879. 



On Potsdam sandstone near King of 



Prussia [Montgohiery County, Pa.]. 

 Philadelphia Acad. Sci., Proc, 1880 [vol. 32], 

 p. 279 (A p.), 1881. 



On a peculiar stratification in gneiss 



[near Philadelphia]. 



Philadelphia Acad. Sci., Proc, 1880 [vol. 32], 

 pp. 280-281 (i p.), 1881. 



The northern helt of serpentine in 



Radnor Township, Pa. 



Philadelphia Acad. Sci., Proc, 1880 [vol. 32], 

 p. 295 (i p.), 1881. 



Change of serpentine into quartz. 



Philadelphia Acstd. Soi., Proc, 1880 [vol. 32], 

 pp. 241-242 (i p.), 1881. 



Serpentine helt of Radnor Township, 



Delaware County, Pa. 



Philadelphia Acad. Soi., Proc, 1880 [vol. 32], 

 pp. 225-226 (J p.), 1881. 



Notes on the geology of Radnor, Pa., 



and vicinity. 



Philadelphia Acad. Soi., Proc, vol. 34, pp. 

 42-47, 1883. 



Eeview by P. F[razer], Am. Nat., vol. 17, pp. 

 523-536, 1883. 



Notes on the geology of lower Merion 



and vicinity [Pennsylvania]. 



Philadelphia Acad. Sci., Proc, vol. 34, pp. 

 61-67, 1883. 



Geology of lower IMerion and vicin- 

 ity [review of Frazer and Hall]. 

 Am. Nat., vol. 17, pp. 965-967, 1883. 

 Reviewed by Frazer, ibid., pp. 1052-1053, 

 1883. 



[ ] [Review of the] geology of Ches- 

 ter County [Pennsylvania, by Rogers, 

 Frazer, and Hall]. 



Tranklin Inst. Jour., 3d series, vol. 86, pp. 

 226-229, 1883. 

 Discussed by Frazer, pp. 274-278. 



Rand, Theodore D. — Continued. 

 [Note on the sandstone of the Ches- 

 ter Valley, Pa.] 



Am. Inst. Mining Eng., Trans., vol. 12, p. 73 

 (i p.), 1884. 



Notes on the geology of Chester 



Valley and vicinity. 



Philadelphia Acad. Sci., Proc, vol. 35, pp. 

 241-247, 1884. 



[Reply to Frazer on notes on the geol- 

 ogy of Chester Valley and vicinity, in 

 Proc. Acad. Nat» Sci., Philadelphia, 

 1883.] 



Franklin Inst. Jour., 3d series, vol. 8*4 pp. 

 307-309, 310, 1884. 



Notes on Lafayette serpentine helt. 



Philadelphia Acad. Sci., Proc, 1885, p. 407 

 (f p.), 1886. 



■ Notes on the geology of Radnor 



Township, in Delaware County, Pa., 

 and of the townships adjacent. 



Geol. Surv. Pennsylvania, Report, 1886, part 

 4, pp. 1569-1618, plate, sheet 12 in atlas, 1887, 

 Harriaburg, 1887. 



A discussion of the rooks of Penn- 

 sylvania and New York. 



New York Acad. Sci., Trans., vol. 8, pp. 47- 

 52, plate, 1889. 



Notes on the drift on Block Island. 



Philadelphia Acad. Nat. Sci., Proc, 1889, pp. 

 408-409, 1890. 



Notes on the genesis and horizon of 



the serpentines of southeastern Penn- 

 sylvania. 



Philadelphia Acad. Nat. Sci., Proc, 1890, pp. 

 76-123, 1891. 



Geology of the South [Chester] Val- 

 ley Hill. 



Philadelphia Acad. Sci., Proc, 189D, pp. 435- 

 436, 1891. 



The sandstones of Chester Valley, Pa. 



Philadelphia Acad. Sci., Proc, 1891, pp. 119- 

 120, 1891. 



Randall, F. A. Observations of the geol- 

 ogy around "Warren, Pa. 



2d Geol. Surv. Pennsylvania, 1874, Report I, 

 Report of progress in Venango County dis- 

 trict, by John F. Carll, pp. 50-54, plate, Harris- 

 burg, 1875. 



Randolph, John C. F. Notes on the 

 Republic of Colombia, South America. 

 Am. Inst. Mining Eng., Trans., vol. 18, pp. 

 205-213, 1890. 



Rapley, E. E. The soils and products of 

 southwestern Louisiana, including the 

 parishes of St. Landry, Lafayette, 

 Vermilion, St. Martin, Iberia, and St. 



