
TRA—TRE 567 
_ Traquair (Ramsay H.). The Ganoid Fishes of the British Carboniferous 
4 Formations. [Palzontographical Society. ] Ato. London, 1877. 
Trask (John B.). Report on the Geology of the Coast Mountains, and 
part of the Sierra Nevada; embracing their industrial resources in 
agriculture and mining. (Tract.) 8vo. Washington, 1854. 
Report on the Geology of the Coast Mountains; embracing their 
agricultural resources and mineral productions ; also portions of the 
middle and northern mining-districts. (Tract.) 
8vo. Washington, 1855, 
——. Description of a new species of Ammonite and Baculite from the 
Tertiary Rocks of Chico Creek. (Tract.) 8vo. San Francisco, 1856. 
—. {On Earthquakes in California.] (Tract.) 8vo. San Francisco, 1856. 
—. Report on the Geology of Northern and Southern California. 

(Tract.) 8vo. Washington, 1856. 
Trautschold (H.). Ueber den Korallenkalk des russischen Jura. 
(Tract.) 8vo. Moscow, 1862. 
—. Der glanzkérnige braune Sandstein bei Dmitrijewa-gora an der 
Oka. (Tract.) 8vo. Moscow, 1863. 
—. Nomenclator paleeontologicus der jurassischen Formation in Russ- 
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—. Zeichen der permischen Zeit im Gouvernement Moscou. (Tract.) 
8vo. Moscow, 1863. 
——. (Der ersten Naturforscherversammlung in Russland.) Einige 
Crinoideen und andere Thierreste des jiingeren Bergkalks im Gou- 
vernement Moskau. (Tract.) 8vo. Moscow, 1867. 
Der siidéstliche Theil des Gouvernements Moskau. (Tract.) 
8vo. St. Petersburg, 1867, 
—. Die Laterne des Diogenes von Archwocidaris rossicus. (Tract.) 
8vo. Moscow, 1868. 
——. Die Meteoriten des Mineraliencabinets der kaiserlichen Ackerbau- 
und Forst-Akademie zu Petrowskoje Rasumowskoje bei Moskau. 

(Tract.) 8vo. Moscow, 1868. 
—. Ueber sikulare Hebungen und Senkungen der Erdoberfliche. 
(Tract. ) 8vo. Moscow, 1869. 
—. Wro-3anaguaa Yacts.—The Geology of the South-western portion 
of the Government of Moscow. (Tract.) 8vo. St. Petersburg, 1870. 
Die Kalkbriiche von Mjatschkowa. Hine Monographie des 
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—. See Aversacu (J. B.) and KroporKin (Furst P.). 
Travers (Benjamin). The Hunterian Oration, delivered in the Theatre 
of the Royal College of Surgeons in London, on the 14th of February, 
1838. Ato. London, 1838. 
Treadwell (Daniel). On the practicability of constructing Cannon of 
great caliber, capable of enduring long-continued use under full 
charges. (Tract.) 8vo. Cambridge, Mass., 1856. 
Trebra (Friedrich Wilhelm Hendrik von). Erklarungen der Bergwerks- 
Charte yon dem wichtigsten Theil der Gebiirge im Bergamtsrefier 
Marienburg. 8vo. Annaberg, 1770. 
——. Het Merkwaardigste der Bergwerkgeschiedenisse van het gewich- 
tigste Gedeelte der Gebergtens, in het Berg-Ampts Distrikt van 
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