DARTON.] 



NORTH AMERICAN GEOLOGY. 



333 



Derby, Orville A.— Continued. 



' On the magnetite ore districts of 



Jacupiranga and Ipanema, Sao Paulo, 

 Brazil. 



Am. Jour. Sci., 3d series, vol. 41, pp. 311-321, 

 1891. 



Nepheline-bearing rocks in Brazil. 



[Abstract.] 



Am. Assoc. Adv. Sci, Proc, vol. 39, p. 263 

 (Jp.),1891. 



Observations on tlie genesis of cer- 

 tain magnetites. [Abstract.] 



Am. Assoc. Adv. Sci., Proc, vol. 39, p. 263 



(4 lines), 1891. 



Deroux, H. Die Kupfergruben des Ob- 

 eren Sees. 



Journal des Mines, vol. 7, 1860. 

 Berg- undHiiti»n. Zeit., pp. 305-307, 329-331, 

 1861. 



Des Cloiseaux, M. de. Optical examina- 

 tion of the red feldspar of the granite 

 from Lyme, Conn. 



Am. Jour. Sci., 3d series, vol. 20, pp. 335-336 

 (i p.), 1880. 



Desor, E. On the phenomena of drift 

 and glacial action in New England. 

 Kead to Assoc. Am. G-eol., etc., 1847. 

 Am. Quart. Jour. Agri. and Sci., vol. 6, pp. 

 213-214, November number, 1847. 



On Glacial scratches. 



Bead to Assoc. Am. Geol., 1847. 

 Am. Quart. Jour. Agrl. and Sci., vol. 6, pp. 

 214, 216-217, 217-218, 1847. 



On the relations which exist between 



the phenomena of erratic blocks in 

 northern Europe and the elevations of 

 Scandinavia. 



Am. Jour. Sci., 2d series, vol. 3, pp. 313-318, 

 1847. 



[Sur le terrain erratique de I'Am^- 



rique du Nord.] 



Soc. G6ol. France, Bull., 2d series, vol. 5, pp. 

 89-98, 1348. 



[ ] [Belemnites from so-called mica 



slates of St. Gothard.] 



Boston Soc. ITat. Hist., Froo., vol. ,3, p. 19 

 (J p.), 1848. 



On the origin of the parallel trains 



of bowlders in Berkshire County, Mass. 

 Boston Soc. Nat. Hist., Proc, vol. 2, pp. 260- 

 261(1 p.), 1848. 



[ ] [Fossils in drift at Brooklyn and 



Westport, N. Y.] 



Boston Soc. Nat. Hist., Proc, vol. 2, p. 247 

 (i p.), 1848. 



On a deposit of drift shells in the 



cliffs of Sancati, Island of Nantucket. 

 Am. Assoc, Proc, vol. 1, pp. 100-101, 1849. 



Desor, E. — Continued. 



Des alluvions marines et lacustres 



et du terrain erratique de I'Am^riqtie 

 du Nord. 



Soc. 66ol. France, Bull., 2d series, vol. 7, 

 pp. 623-631, 1850. 



Note sur I'existence de coquilles ma- 

 rines des mers actuelles dans le bassin 

 du Lao Ontario (Canada) jusqu'ii I'alti- 

 tude de SIO pieds. 



Soc. G6ol. France, Bull., 2d series, vol. 8, 

 pp. 420-423, 1851. 



[ ] [Equivalency of the Tertiary.] 



Boston Soc. Nat. Hist., Proc, vol. 3, p. 247, 

 tt p.), 1851. 



[On the origin of contorted strata of 



sand and clay.] 



Am. Acad., Proc, vol. 2, pp, 282-283, 1851. 



[ ] [Peculiarities in scratchings on 



puddingstone of Brookline, Mass. ] 

 Boston Soc. Nat. Hist., Proc, vol. 3, p. 28, 

 (J p.), 1851. 



[ ] [Drift fossils from Nantucket.] 



Boston Soc Nat. Hist., Proc, vol.3, pp. 79- 

 80, 1851. 



Potsdam on the St. Croix. 



Boston Soc. Nat. Hist., Proc, vol. 3, p. 202, 

 1851. 



[ ] [On grinding power of glaciers.] 



Boston Soc. Nat. Hist., Proc, vol. 3, p. 95, 

 (i p.), 1851. Eemarks by Cabotand Whitney. 



[ ] [On marine shells far above the 



present sea level.] 



Boston Soc. Nat. Hist., Proc, vol. 3, pp. 115- 

 116, 117 (i p.), 1851. 



[ ] Shark's tooth firom Keokuk. [On 



correlation the of the strata of the east- 

 ern and central United States.] 



Boston Soc. Nat. Hist., Proc, vol. 3, pp. 257- 

 258 (J p.), 1851. 



[ ] [Note on the terraces of Lake 



Erie, etc. Letters from Whittlesey 

 and Lapham,] 



Boston Soc. Nat. Hist., Proc, vol. 3, pp. 291- 

 292, 1851. Eemark by C. T. Jackson, p. 292. 



[ ] [Note on the relation of the allu- 

 vium to the drift of the Mississippi.] 

 Boston Soc. Nat. Hist. , Proc, vol. 3. pp. 242- 

 243 (i p.), 1851. 



[ ] On the parallelism of mountain 



chains in America. 



Boston Soc Nat. Hist., vol, 3, pp. 380-382. 

 Am. Jour. Sci., 2d series, vol. 12, pp. 118-120, 

 1851. 



[ ] [Swamps on the Western rivers.] 



Boston Soo. Nat. Hist., Proc, vol. 3, p. 376 

 (i p.), 1851. 



