xxii The Naturalist in Nicaragua 
The following is a list of the works of Thomas Belt:— 
An Inquiry into the Origin of Whirlwinds, Phil. Mag., vol. 17, 1859, 
PP. 47-53; Mineral Veins: an Inquiry into their Origin founded on a 
Study of the Auriferous Quartz Veins of Australia, London, 1861; On 
some Recent Movements of the Earth’s Surface and their Geological 
Bearings [1863], Nova Scotian Inst. Nat. Sct., Proc. and Trans., vol. 
I, pt. 1, 1867, pp. 19-30; List of Butterflies observed in the Neighbour- 
hood of Halifax, Nova Scotia [1863], Nova Scotian Inst. Nat. Sct., Proc 
and Trans., vol. 2, pt. 1, 1867, pp. 87-92; On the Formation and 
Preservation of Lakes by Ice Action, Geol. Soc. Quart. Journ., vol. 20, 
1864, pp. 463-465, iS Mag., vol. 28, 1864, p. 323, Nova Scotian Inst. 
Wat. Sct... woke. pt. 1867, p. 7os “The Glacial Period in North 
America [1866], Nova SUoHER Inst. Nat. Sci. , vol. 2, pt. 4, 1867, pp. 91- 
106; On some New Trilobites from the Upper Cambrian Rocks of 
North Wales, Geol. Mag., vol. 4, 1867, pp. 294-295; On the ‘“ Lingula 
Flags”’ or “ Festiniog Group ” of the Dolgelly District, Geol. Mag., 
vol. 4, 1867, pp. 493-495, 530-543; vol. 5, 1868, pp. 5-11; The Naturalist 
in Nicaragua, London, 1874, 2nd edition, revised and corrected, 1888; 
Glacial Phenomena in Nicaragua, Amer. Journ. Sci., vol. 7, 1874, pp. 
594-595; An Examination of the Theories that have been proposed to 
account for the Climate of the Glacial Period, Journ. of Sct., vol. 4, 
1874, pp. 421-464; The Steppes of Siberia, Geol. Soc. a: Journ., 
vol. 30, 1874, pp. 490-498, Geol. Mag., Decade 2, vol. i, 1874, pp. 
423-424; The Glacial Period, Nature, vol. 10, 1874, pp. 25-26; Niagara: 
Glacial and Post-Glacial Phenomena, Journ. of Sci., vol. 5, 1875, pp. 
135-156; The Drift of Devon and Cornwall: its Origin, Correlation with 
that of the South-West of England, and Place in the Glacial Series, 
Geol. Soc. Quart. Journ., vol. 32, 1876, pp. 80-90, Geol. Mag., vol. 2, 
1875, pp. 622-624, Phil. Mag., vol. 1, 1876, pp. 159- 161: On the 
Geological Age of the Deposits containing Flint Implements at Hoxne, 
in Suffolk, and the Relation that Palzolithic Man bore to the Glacial 
Period, Journ. of Sct., vol. 6, 1876, pp. 289-304; On the First Stages of 
the Glacial Period in Norfolk and Suffolk, Geol. Mag., vol. 4, 1877, pp. 
156-158; The Steppes of Southern Russia, Geol. Soc. Quart. Journ.., 
vol. 33, 1877, pp. 843-862, Phil. Mag., vol. 4, 1877, pp. 151-152; On 
the Loess of the Rhine and the Danube, Journ. of Sct., vol. 7, 1877, 
pp. 67-90; The Glacial Period in the Southern Hemisphere, Journ. 
of Sct., vol. 7, 1877, pp. 326-353; Quartzite Implements at Brandon, 
Nature, vol. 16, 1877, p. Io1; On the Discovery of Stone Implements 
in Glacial Drift in North America, Journ. of Sct., vol. 8, 1878, pp. 55-74; 
The Superficial Gravels and Clays around Finchley, Ealing, and Brent- 
ford, Journ. of Sct., vol. 8, 1878, pp. 316-360; Notes on the Discovery 
of a Human Skull in the Drift near Denver, Colorado, Proc. Amer. 
Assoc. for Adv. of Sct. at St. Louis, Mo. , August 1878, vol. 27 (1879), 
Pp. 298-299. 
[The foot-notes within square brackets have been added to this edition 
by the writer of the Introduction.) 
