DABTON.] 



NORTH AMERICAN GEOLOGY. 



269 



Cragin, F. W.— Continued. 



On the Cheyenne sandstone and the 



Neocomian shales of Kansas. 



"Washburn Coll., Lab. Bull., vol. 2, pp. 69-80, 

 1890. 



Am. Geol., toL 6, pp. 233-238 j vol.7, pp. 23-33, 

 1390. 



Abstract, Popular Sol, Montblj', vol. 37, pp. 

 566-567 (i col.), 1890. 



Further notes on the Cheyenne sand- 

 stone and Neocomian shales. 

 Am. Geol., vol. 7, pp. 179-181, 1891. 



On a leaf-hearing terrane in the 



Loup Pork [near Alpine in the " Pub- 

 lic Lands "] . 



Am. Greol., vol. 8, pp. 29-32, 1891. 



Cramer, Frank. On a recent rock flex- 

 ure. 



Am. Jour. Sci., 3d seriea, vol. 39, pp. 220-225, 

 1890. 



On the rock fractures at the Com- 

 bined Locks Mill, Appleton, Wis. 



Am. Jour. Sci., 3d series, vol. 41, pp. 432-434, 

 1891. 



Crandall, A. R. Report of the geology 

 of Greenup, Carter, and Boyd counties, 

 and a part of Lawrence. 



Geol. Surv. Kentucky, Beports of progress, 

 new series, vol. 2, part 1, pp. 1-78 (bottom pagi- 

 nation), Frankfort, 1877. 



Report on the geology of the pro- 

 posed line of the Elizabethtown, Lex- 

 ington and Big Sandy Railroad, from 

 Mount Sterling to the Big Sandy River. 

 Greol. Surv. Kentucky, Reports of progress, 

 vol. 2, new series, pp. 351-360 (bottom pagina- 

 tion), Frankfort, 1877. 



Report on the geology of Menifee 



County. 



Geol. Surv. Kentucky, Eeports of progress, 

 vol. 4, new series, pp. 167-181, plates (bottom 

 pagination), Frankfort, 1878. 



Report on the Chinn's Branch can- 



nel-coal district. 



Geol. Snrv. Kentucky, Beports of progress, 

 vol. 5, new series, pp. 385-394 (bottom pagina 

 tion), Frankfort, 1880. 



The occurrence of trap rock in east- 

 em Kentucky. 



Am. Aaaoo., Proc, vol. 34, pp. 236-237 (f p.), 

 1885. 



Report on the geology of Elliott 



County. 



Geol. Surv. Kentucky, Keport on geology of 

 Elliott County, by Crandall, pp. 5-16, 7 plates, 

 2 maps, 1887. 



Crandall, A. R. — Continued. 



Notes on the Elliott County dike, 



eastern Kentucky. 



Geol. Surv. Kentucky, Eeport on geology of 

 Elliott County, by Crandall, pp. 17-19, map, 

 1887. 



Report on Pound Gap region. 



Geol. Surv. Kentucky, John R. Proctor, 

 director, Eeports on the southeastern Ken- 

 tucky coal held, pp. 1-29, maps, plates, 1887. 



Report on Whiteley County and a 



part of Pulaski [Ky.], 44 pages, map, 

 1891? [No date.] 



Abstract, Am. Geol., vol. 8, p. 331 (i p.). 



Crawe, J. B., and G-ray, Asa. A sketch 

 of the mineralogy of a portion of Jef- 

 ferson and St. Lawrence counties, N. Y. 

 Am. Jour. Sci., vol. 25, pp. 346-350, 1834. 

 Craijyford, J. [Letter on the geology of 

 Nicaragua.] 



Science, vol. 15, pp. 30-32, 4° 1890. 



The geological survey of Nicaragua. 



Am. Geol., vol. 6, pp. 377-381, 1890. 



Recent earthquakes in Nicaragua. 



Am. Geol.. vol. 7, pp. 77-86, plate 2, 1891. 



Neolithic man in Nicaragua. 



Am. Geol., vol. 8, pp. 160-166, 1891. 



Viejo range of Nicaragua. 



Am. Geol., vol. 8, p. 190 (J p.), 1891. 

 Evidences of a Glacial epoch in Nic- 

 aragua. 



Am. (Jeol., vol. 8, pp. 306-314, 1891. 



Human footprints in recent volcanic 



mud in Nicaragua. 



British Assoc. Adv. Sci., Beport of 60th 

 meeting, p. 812 (Jp .), 1891. 



On the geology of Nicaragua. 



British Assoc. Adv. Sci., Eeport of tiOth 

 meeting, pp. 812-813 (i p.), 1891. 



Credner, Georg Rudolf. Die Deltas, 

 ihre Morphologie, geographische Ver- 

 breitung und Entstehungs-Bedingun- 

 gen. Eine Studie auf dem Gebiete 

 der physischen Erdkunde. Peter- 

 mann's Mitth., Erganzungsb., 12, 74 

 pages, 3 plates, 1870. 



Credner, Hermann. Geognostische 

 Skizze der Umgegend von New- York. 

 Geol. Gesell., Zeit., vol. 17, pp. 388-398, map, 

 1865. 



Geognostische Reiseskizzenaus New- 

 Brunswick in Nord-Amerika. 



Ueues Jahrbuoh, 1865, pp. 803-821, 1865. 



Geognostische Skizzen ans Virginia, 



Nord-Amerika. 



Geol. Gesell., Zeit., vol. 18, pp. 77-85, 1866, 



