MINERALOGY AND GEOLOGY. 



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Hamilton. Campi Phlegraei, ou Observations sur les Volcans des 

 Deux Siciles. Par Hamilton. (In French and English.) 

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Hart. Description of the Skeleton of the Fossil Deer of Ireland. By 

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T. Say through Mrs. Say. 

 Hassenfratz.* La Siderotechnie, ou Part de traiter les Minerals de 

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The Author. 



* Traite Theoretique et Pratique de Part de Calciner la 



Pierre Calcaire, &c. Par M. Hassenfratz. 4to. Paris, 1825. 



The Author. 



Haiiy* Traite de Mineralogie. Par M. L'Abbe Hauy. 2d. edition, 



4 vols. 8vo. and Atlas. Paris, 1822. 

 Traite de Crystallographie. Par M. L'Abbe Hauy. 2 vols. 



8vo. and Atlas. Paris, 1822. 

 1 Traite de Mineralogie de Citoyen Hauy, 4 vols. 8vo. and 



Atlas. Paris, 1801. Dr. S. G. Morton. 

 Comparaison des formes Crystallines de la Strontiane Carbo- 



natee avec celles de l'Arragonite. Par M. Hauy. (G. T. 



4to. vol. i.) Paris. D B. Warden. 

 Sur Pusage des caracteres physiques des Mineraux, pour la 



distinction des Pierres precieuses qui ont ete taillees. Par 



M. Hauy. (G. T. 4to. vol. i.) Paris. D. B. Warden. 

 Hawkins A Memoirs of Ichthyosauri and Plesiosauri, with 28 Plates. 



By Thomas Hawkins, Esq. Fol. London, 1834. 



Dr. S. G. Morton. 



Hays. Descriptions of Inferior maxillary bones of Mastodons, with 

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 (G. T. 4to. vol. ii.) Philadelphia, 1833. The Author. 



Description of a Fragment of the Head of a new Fossil Ani- 

 mal from New Jersey. By Isaac Hays, M. D. (G. T. 4to. 

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Hay den.* Geological Essays: or an Inquiry into the Geological Phe- 

 nomena to be found in various parts of America, &c. By 

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Herault. Memoire sur les terrains du Departement du Calvados. Par 

 M. Herault. (G. T. 8vo. vol vii.) The Author. 



Henfrey. Plan for forming a Company to work the Mines of the 

 United States. By Benjamin Henfrey. (G. T. 8vo. vol. ii.) 

 Philadelphia, 1797. Isaac Lea. 



Henckel* Introduction a la Geologic Par M. I. F. Henckel. 2 vols. 



12mo. Paris, 1756. Wm. Maclure. 



HildrethA Observations on the Bituminous Coal Deposits of the 

 Valley of the Ohio, with notices of Fossil Organic Remains, 

 &c. By S. P. Hildreth, M. D. 8vo. New Haven, 1835. 



Dr. S. G. Morton. 



Hisinger* Samling till en Mineralogisk Geografi ofver Sverige. Af 

 W. af Hisinger. Svo. Stockholm, 1808. Wm. Maclure. 



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