





















206 GEY—GI1E 
Geyler (Hermann Theodor). Ueber fossile Pflanzen aus den obertertiiiren 
Ablagerungen Sicilien’s. (Tract.) 4to. Cassel, 1876. 
———. Ueber fossile Pflanzen aus der Juraformation Japans. (Tract.) | 
4to. Cassel, 1877 
——. Ueber einige paliontologische Fragen, insbesondere tiber die Jura 
formation Nordostasiens. (Tract.) 8vo. Frankfort, 187% 
——. Phytopalaeontologie. Verzeichniss der beriicksichtigsten Arbeit 
und Referate. (Tract.) 8vo. 1878 
Gibb (Sir George Duncan). The Oyster Conglomerate Bed at Bromley 
in Kent. (Tract.) 8vo. London, 1858, 
. A Chapter on Fossil Lightning. (Tract.) 8vo. London, 1859) 
——. A Visit to Reculver,in Kent. (Tract.) 8vo. London, no date, 
——. On Canadian Caverns. (Tract.) 8vo. London, 1861. 
Essential Points of Difference between the Larynx of the Negro 
and that of the White Man. (Tract.) 8vo. London, 1865, 
——. Geological Rambles around Montreal. _ 4to. Manuscript, 1868, 
_-.—. Discoveries in Science by the Medical Philosopher. An oration 
delivered on the ninety-sixth anniversary of the Medical Society of 
London. 8vo. London, 1869, 
Gibbes (Robert W.). Description of the Teeth of a new Fossil Animal: 
found in the Green Sand of South Carolina. (Tract.) 
8vo. Philadelphia, 184 5 
~——. Memoir on the fossil Genus Basilosaurus ; with a notice of speci- 
mens from the Eocene Green Sand of South Carolina. (Tract.) 
4to. Philadelphia, 1847, 
——. Monograph of the Fossil Squalide of the United States. (Tract.) 
2 copies. Ato. Philadelphia, 1848. 
Gibbs (Wolcott), and Genth (Frederick Augustus). Researches on the 
Ammonia-cobalt bases. (Tract.) 4to. Washington, 1856. 
Gibson (George Alexander). The Old Red Sandstone of Sheffield, 
- (Cract.) - 8vo. Edinburgh and London, 1877. 
Gibson (William Sidney). The Certainties of Geology. 
8vo. London, 1840. 
——. The Prize Essay on the History and Antiquities of Highgate. 
(Tract. ) 8vo. London, 1842. 
Giddins (Edward). An Inquiry into the Causes of the Rise and Fall of 
the Lakes, ete. (Tract.) 8vo. Lockport, NV. ¥., 1838 
Giebel (Christoph Gottfried). Paldozoologie. Entwurf einer systema 
tischen Darstellung der Fauna der Vorwelt. 8vo. Merseburg, 1846 
—. Fauna der Vorwelt, mit steter Beriicksichtigung der ie 
Thiere. Vol. 1., parts 1-3. . 8vo. Leipzig, 1847-48 
—. De geognostica septemtrionalis Hercynie fastigi constitution e 
(Tract.) 8vo. Halle, 1848. 
——. Gaea excursoria germanica. Deutschlands Geologie, Geognosi 
und Palaontologie. Part 1. (title and contents wanting). 
8vo. Leipzig, 184 § 
—. Bericht tiber die Leistungen im Gebiete der Paliontologie mit 
besonderer Beriicksichtigung der Geognosie wihrend der Jahre 
1848 und 1849. 8vo. Berlin, 1851 
——. Die Versteinerungen im Muschelkalk von Lieskau bei Halle. q 
Ato. Berlin, 186 


