242 



CATALOGUE AND INDEX OP 



[snu,. 127. 



Clapp, A. Greenstone dike [in Ver- 

 mont] . 



Am. Jour. Sol., vol. 22, p. 189 (J p.), 1832. 



■ [The geological equivalents of tlie 



vicinity of New Albany, Ind., as com- 

 pared with those described in the Silu- 

 rian system of Murchison.] 



Philadelphia Acad. Sci., Proc, vol. 1, pp. 18- 

 19, 177-178, 1843. 



[Clark, Anderson and. ] Eeport on geol- 

 ogy. State of Minnesota, No. 12, legisla- 

 ture of 1861, 26 pages, St. Paul, 1861. 

 [Not seen.] 



Clark, A. C. Wort in north central Wis- 

 consin. 



"Wisconsin Geol. Snrv., Annual Report for 

 1877, pp. 41-43, Madison, 1878. 



Superficial geology of the upper 



Wisconsin Valley. [Edited by T. C. 

 Chamberlin.] 



Geology of "Wisconsin, survey of 1873-1879, 

 vol. 4, pp. 715-723, 1882. 



Clark, Edgar F. Studies In the Ehode 

 Island coal measures. 



Newport Nat. Hist. Soc, Proc, document 2, 

 pp. 9-12, 1884. 



Clark, Ellis. Notes on the progress of 

 mining in China. 



Am. Inst. Mining Kng., Trans., vol. 19, pp. 

 ,571-595, 1891. 



Clark, E. S., Herrick, C. L., and, and 

 Deniing, J. L. Some American norites 

 andgabbros. 



Am. Geol., vol. 1, pp. 339-346, plate, 1888. 



Clark, L. J. The formation of Toronto 

 Island. 



Canadian Inst., Trans., vol. l,i)p. 37-38, 239- 

 246,1891. 



Abstract, Am. Nat., a'oI. 20, pp. 821-822(5 

 lines), 1891. 



Clark, E. Neilson. The Tertiary coal 

 beds of Canyon City. Colo. 



Am. Inst. Mining Eng., Tran.s., vol. 1, pp. 

 293-290, plate, 1873. 



The Humboldt-Pocahontas vein, 



Eosita, Colo. 



Am. Inst. Mining Eng., Trans., vol. 7, pp. 

 21-33, 1879. 



Clark, William B. A new ammonite 

 which throws additional light upon 

 the geological positioii of the Alpine 

 Ehaitic. 



Am. Jour. Sol., 3d series, pp. 118-119, 1868. 



Clark, William B.— Continued. 



On three geological excursions made 



during the months of October and No- 

 vember, 1887, into the soiitherli counties 

 of Maryland. 



Johns Hopkins Univ., Circulars, vol. 7, pp. 

 05-07, No. 03, 1888. 



Discovery of fossil-bearing Creta- 

 ceous strata in Anno Arundel and Prince 

 George counties, Md. 



Johns Hopkins Univ., Circulars, vol. 8. No. 

 09, pp. 20-21. 1889. 



On the Tertiary deposits of the Cape 



Foar Eiver region. 



Geol. Soc. Am., Bull., vol. 1, pp. 537-640, 1890. 

 Abstracts, Am. Geol., vol. 5, p. 119 (J p.), 

 1890 ; Am. Nat., vol. 24, p. 289 (i p.),-1890. 



Third annual geological expedi- 

 tion into southern Maryland and Vir- 

 ginia. 



Johns Hopkins Univ., Circulars, vol. 9, No. 

 81, pp. 69-71, 4°, 1890. 



The geological features of Gay Head, 



Johns Hopkins Univ., Circulars, vol, 10, No. 

 84, p. 28 (li col.), 4°, 1890. 



Eeport of the scientific expedition 



into southern Maryland. Geology. 

 Johns Hopkins Univ., Circulars, vol. 10, pp. 

 106-108, No. 89, 4°, 1891. 



[Clarke, F. W., et al.] AVork done in 

 the division of chemistry and jjhysics 

 mainly during the fiscal year 1884-85. 

 U. S. Geol. Surv., Bull. No. 27, vol. 4, pp. 533- 

 610, "Washington, 1886. 



Blue and buff limestone from quar- 

 ries of the Hoosier Stone Company, 

 Bedford, Ind. 



U. S. Geol. Surv., Bull., vol. 7, pp. 140-141 

 (i p.). No. 42, "Washington, 1887. 



A''olcanic dust. 



U. S. Geol. Surv., Bull., vol. 7, pp. 141-142 

 (i p.). No. 42, AYashington, 1887. 



Fulgurite from Whiteside County, 



111. 



U. S. Geol. Surv., Bull., vol. 7, p. 140 (ip.). 

 No. 42, "Washington, 1887. 



Three coals from Gulf, N. C. 



U. S. Geol. Surv., Bull., vol. 7, pp. 146 (J p.). 

 No. 42, "Washington, 1887. 



Some nickel ores from Oregon. 



Am. Jour. Sci.. 3d series, vol. 35, pp. 483-488, 

 Washington, 1888. 



Triassio sandstone from Maryland. 



[Analysis.] 



U. S. Geol. Surv., Bull, No, 55, p. 80 (i p.), 

 "^Vashington, 1889, 



