al  i~ we- © 
240 HAW—HEA 
Hawle (Ignaz) and Corda (A. J.C.). Prodrom einer Monographie der 
bohmischen Trilobiten. 4to. Prague, 1847. 
Hawn (F'.). See Swaxtow (G.C.). 
Hayden (I. V.). Geological Sketch of the estuary and freshwater De- 
posit forming the Bad Lands of Judith River. (Tract.) 2 copies. 
4to. Philadelphia, 1859. 
See also Lerpy (Joseph). 
——. Some Remarks in regard to the Period of Elevation of those Ranges 
of the Rocky Mountains near the sources of the Missouri river and 
its tributaries. (Tract.) 8vo. New Haven, 1862. 
Sun Pictures of Rocky Mountain Scenery, with a description of 
the geographical and geological features, and some account of the 

resources of the Great West. 4to. New York, 1870. 
——. The Hot Springs and Geysers of the Yellowstone and Firehole 
Rivers. (Tract.) 8vo. New Haven, 1872. 
——. Notes on the Lignitic Formations of Colorado and Wyoming. 
(Tract.) 8vo. Washington, 1876. 
See also LEsquEREUxX (Leo). 
——. Summary of the Field Work of the Hayden Geological Survey 
during the season of 1875. (Tract.) 8vo. Washington, 1876. 
——. The Yellowstone National Park, illustrated by chromolithogra- 
phic reproductions of water-color sketches by Thomas Moran. 
; Fol. Boston, 1876. 
——. The Great West: its Attractions and Resources. Containing a 
popular description of the marvellous scenery, physical geography, 
fossils, and glaciers of the wonderful region ; and the recent explo- 
rations in the Yellowstone Park, “The Wonderland of America.” 
8vo. Philadelphia, 1880. 
——. See Merx (F. B.), YELLowsTonE Park, and Surveys: Unrrep 
States, and U.S. Surv. oF TERR. . 
Hayden (Horace H.). Geological Essays, or an Inquiry into some of the 
Geological Phenomena to be found in various Parts of America and 
elsewhere. Svo. Baltimore, 1820. 
Hayes (A. A.). See Jackson (Charles T.). 
Hayes (George E.). Remarks on the Geology and Topography of Wes- 
tern New York. (Tract.) 8vo. New Haven, 1838. 
Hays (Isaac). Description of a fragment of the head of a new fossil 
Animal, discovered in a Marl-pit near Moorestown, New Jersey 
(Tract.) Ato. Philadelphia, 1830. 
——. Description of the inferior maxillary bones of Mastodons in the 
Cabinet of the American Philosophical Society, ete. (Tract.) 
Ato. Philadelphia, 1833. 
Headrick (James). View of the Mineralogy, Agriculture, Manu-: 
factures, and Fisheries of the Island of Arran. 
8vo. Edinburgh. 1807. 
Heaphy (Charles). On the Coromandel Gold-diggings in New Zealand. 
(Tract.) 8vo. London, 1854. 
——. On the Gold-bearing District of Coromandel Harbour, New Zea- 
land. (Tract.) 8vo. London, 1854, 
Heathcote (—-). Collieries of Staffordshire and Warwickshire. (Tract.) 
8vo. Warwick, no date. 


