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Sewergin, Basil. 17. Sur une coclilide du 

 gouveruement de Tver. [1817." 1 St. Petersb. 

 Acad. Sci. Mem. VII., 1815-16, pp. 359-361. 



Sexe, . Om Vandcts Bevoegelser og dets 



sandsynlige Indflydelse paa Jordklodens Form. 

 Nyt Mag. Naturvid. V., 1848, pp. 335-369. 



Seybert, Adam. Experiments and observations 

 on land and sea air. [1797.] Amer. Phil. 

 Soc. Trans. IV., 1799, pp. 262-276. 



2. Experiments and observations on the 

 atmosphere of marshes. [1798.] Amer. Phil. 

 Soc. Trans. IV., 1799, pp. 415-430. 



Seybertj Henri/. Analyses of American mine- 

 rals. Philad. Journ. Acad. Nat. Sci. II., 1821, 

 pp. 139-146; Schweigger, Journ. XXXVI. 

 (Jahrl. VI.), 1822, pp. 177-182. 



2. Analysis of a sulphtiret of Molybdenum. 

 Silliman, Journ. IV., 1822, pp. 320-321. 



3. Analysis of the American chromate of . 

 Iron. Silliman, Journ. IV., 1822, pp. 321-323. 



4. Analysis of the tabular spar, from the 



vicinity of Willsborough, Lake Champlain, and 

 of the Pyroxene and Colophonite, which accom- 

 pany it. Silliman, Journ. V., 1822, pp. 113-118. 

 5. Analysis of the Maclureite, or fluo- 



silicate of magnesia, a new mineral species from 

 New Jersey. Silliman, Journ. V., 1822, pp. 

 336-344. 



6. Additional facts respecting the Chondro- 



dite and its identity with the Sparta mineral. 

 Silliman, Journ. V., 1822, pp. 366-367. 



7. Analysis of a manganesian Garnet, from 

 Haddam, Connecticut, with a notice of boric 

 acid in Tourmalines. Sillinian, Journ. VI.. 

 1823, pp. 155-157. 



8. Analysis of the glassy Actynolite from 

 Concord Township, Delaware Co., Peiin. Silli- 

 man, Journ. VI., 1823, pp. 331-333. 



9. On the discovery of fluoric acid in the 



Chondrodite. Silliman, Journ. VI., 1823, pp. 

 356-361. 



10. An analysis of an amorphous Garnet 



from New Jersey, and of fetid Sulphate of 

 Barytes, from Albemarle county, Virginia. 

 Philad. Journ. Acad. Nat. Sci. III., 1824, pp. 

 247-250. 



11. Analysis of the Pyroxene, found at 



the Franklin Ironworks, near Sparta, Sussex 

 Co., New Jersey. Silliman, Journ. VII., 1824, 

 pp. 145-149. 



12. Analysis of the Chrysoberyls from 



Haddam and Brazil. Silliman, Journ. VIII., 

 1824, pp. 105-1 12 ; Thomson, Ann. Phil. VII., 

 1824, pp. 427-432 ; Schweigger, Journ. XLII. 

 (=Jahrb. XII.), 1824, pp. 228-236; Amer. 

 Phil. Soc. Trans. II., 1825, pp. 116-123. 



13. Analysis of a Hydrate of iron (Bog 



Iron Ore), from Monmouth Co., New Jersey. 

 Silliman, Jouru. VIII., 1824, pp. 298-299. 



Seybert, Henry. 14. Analysis of the Melanite, 

 from Franklin Furnace, Sussex Co., New Jersey. 

 Silliman, Journ. VIII., 1824, pp. 300-301. 



15. Analysis of the Hydraulic Lime used 



in constructing the Erie Canal in the State of 

 New York. [1822.] Amer. Phil. Soc. Trans. 

 II., 1825, pp. 229-231. 



16. Tennessee meteorite. Silliman, Jouru. 



XVII., 1830, pp. 326-328. 

 Seybold, Fr. Einige neue Pflanzen der Flora 



Tirols. Flora, XXXV., 1852, pp. 401-404. 

 Seydel, Chr. Ueber die Fiirbercamille. Gera, 



Naturw. Jahresber. I., 1858, p. 22. 

 2. Ueber die Eosscastauie. Gera, Naturw. 



Jahresber. II., 1859, p. 28. 



3. Spaziergiinge in's Holzland I. Gera, 

 Naturw. Jahresber. III., 1860, p. 39. 



4. Ueber die zur II. allgemeiueu Thiir- 

 inger Gewerbe-Ausstellung nach Weimar ge- 

 sandteu geoguostischen Miueralien. Gera, 

 Naturw. Jahresber. IV., 1861, p. 43. 



5. Spaziergiinge in's Holzland, besonders 

 in naturwissenschaftlicher Hinsicbt. Gera, 

 Naturw. Jahresber. VI., 1863, pp. 51-59. 



Seydewitz, Franz. Neue Untersuchungen iiber 

 die Bestimmung einer gleichseitigen Hyperbel 

 vermittelst vier gegebener Bedingungen. Gru- 

 nert, Archiv, HI., 1843, pp. 225-235~ 



2. Theorie der iuvolutorischeu Gebilde, 



nebst Anwendungen auf die Kegelschnitte. 

 Grunert, Archiv, IV., 1844, pp. 246-280 ; V., 

 pp. 225-240, 331-334. 



3. Ueber eiue wesentliche Verallgemeiuer- 

 ung des Problems von den, den Kegelschnitten 

 eiu-oder umgeschriebenen Polygoncn. Grunert, 

 Archiv, IV., 1844, pp. 421-430. 



4. Darstellung der geometrischen Ver- 



wandtschaften mittels projectivischer Gebilde, 

 mil besomlerer Riicksicht auf die Theorie der 

 boheren Curven. Grunert, Archiv, VII., 1846, 

 pp. 113-148 ; VIII., 1846, pp. 1-46. 



5. Ueber einige Eigenschaften des Puuctes 



der kleinsten Entfernung. Grunert, Archiv, 

 VIII., 1846, pp. 174-193. 



6. Construction uud Classification der Fla- 

 chen des zweiteu Grades mittels projectivischer 

 Gebilde. Gruuert, Archiv, IX., 1847,pp. 158-214. 



7. Ueber eine Classe geometrischer Siitze, 



dereu Beweise auf keinen Grossenbestimmungeu 

 beruhen, nebst einer elementaren Construction 

 des Mittelpunctes des eiufacheu Hyperboloids. 

 Grunert, Archiv, X., 1847, pp. 59-66. 



8. Ueber den geometrischen Ort des 

 Scheitels eines Kegels zweiten Grades, welcher 

 die Seiten eines windschiefen Sechsecks beruhrt. 

 Grunert, Archiv, X., 1847, pp. 202-203. 



9. Lineiire Construction einer Curve dop- 

 pellcr Krummung. Grunert, Archiv, X., 1847, 



. pp. 203-214. 



