DABTON.] 



NORTH AMERICAN GEOLOGY. 



963 



Trask, John 6. On the geology of the 

 Sierra Nevada, or California range, 30 

 pages [1853]. 



Report on the geology of the Coast 



Mountains and part of the Sierra Ne- 

 vada, embracing their industrial re- 

 sources in agriculture and mining, 95 

 pages [1854]. 



Report on the geology of the Coast 



Mountains, embracing their agricul- 

 tural resources and mineral produc- 

 tions ; also portions of the middle and 

 northern mining districts, 95 pages, 

 1855. 



Report on the geology of northern 



and southern California, embracing the 

 mineral and agricultural resources of 

 those sections, with statistics of the 

 northern, southern, and middle mines, 

 66 pages, 1856. 



Document No. 14 in assembly of California, 

 session of 1856. 



Description of three new species of 



the genus Plagiostoma from the Cre- 

 taceous rocks of Los Angeles. 



California Acad. Sci., Proc, vol. 1 (2d edi- 

 tion), pp. 93-94, plate 3, 1857. 



Ammonites and baculites from the 



Tertiary rocks of Chico Creek. 



California Acad. Sci., Proc, vol. 1 (1st edi- 

 tion), pp. 85-86, pi. 2, 1856 ; (2d edition), pp. 92- 

 93, 1857. 



[Trego, C. B.] [On supposed unconform- 

 ity in Carboniferous rocks in Savage 

 Mountain, Pa.] 



Am. Jour. Sci., Tol. 41, p. 186 (J p.), 1841. 

 Assoc. Am. Geo!., Trans., p. 38 (J p.), 1843. 



[Trego, C. R.] [Iron ore of Buckingham 

 Mountain, Bucks Couuty, Pa ] 



Am. Phil. Soc, Proc, vol. 13, p. 264 (J p.), 

 1873. 

 Treheme, H. S. An ancient outlet of 

 Lake Manitoba. 



G-eol. and Nat. Hist. Surv., Minnesota, 9tli 

 Annual Keport, for 1880, pp. 388-392, St. Peter, 

 1881. 



Troost, Gerard. Description of a variety 

 of amber, and of a fossil substance 

 supposed to be the nest of an insect, 

 discovered at Cape Sable, Magothy 

 River, Anne Arundel County, Md. 

 Am. Jour. Sci., vol. 3, pp. 8-15, 1821. 



Geological survey of the environs of 



Philadelphia, Philadelphia, 1826. 

 [Not seen.] 



Troost, Gerard — Continued. 

 On the organic remains which char- 

 acterize the Transition series of the 

 valley of the Mississippi. 



Geol. Soc Pennsylvania, Trans., vol. 1, pp. 

 248-250, 1835. 



On the localities in Tennessee in 



which bones of the gigantic mastodon 

 and Megalonyx jeffersonii are found. 



Geol. Soc. Pennsylvania, Trans., vol. 1, pp. 

 236-243, 1835. 



Third geological report of the State 



of Tennessee, 32 pages, map, 12°, Nash- 

 ville, 1835. 



Abstract, Am. Jour. Sol., vol. 30, pp. 391-392, 

 1835. 



■ On the Pentremites reinwardtii, a 



new fossil, with remarks on the genus 

 Pentremites (Say), and its geognostio 

 position in the States of Tennessee, 

 Alabama, and Kentucky. 



Geol. .Soc. Pennsylvania, Trans., vol.1, pp. 

 224-231, 1835. 



Fourth report of the geological sur- 

 vey of the State of Tennessee by the 

 State geologist, 24 pages, map, 12°, 

 Nashville, 1837. 



Abstract, Am. Jour. Sci., vol 34, pp. 187-188, 

 1837. 



Fifth geological report on the State 



of Tennessee, 75 pages, 3 maps, Nash- 

 ville, 1840. 



Sixth report of the geological sur- 

 vey of Tennessee by the State geolo- 

 gist, 48 pages, map, Nashville, 1841. 



Seventh report of the geological sur- 

 vey of Tennessee, 45 pages, map, Nash- 

 ville, 1844. 



Eighth report of the geological sur- 

 vey of Tennessee by the State geolo- 

 gist, 20 pages, Nashville, 1845. 



Ninth report of the geological sur- 

 vey of Tennessee by the State geolo- 

 gist, 39 pages, 2 plates, 12°, Nashville, 

 1848. 



[Letter to S. G. Morton.] 



Am. Assoc Adv. Sci., Proc, vol. 1, pp. 32-33, 

 1848. 



Tro'v^bridge, J. The copper deposits of 

 Adams County, Pa. 



Eng. and Mining Jour., vol. 35, pp. 88-89, 4°, 

 1883. 

 Keviewed by P. Frazer, p. 112. 



