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56 



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Troschel, Franz Hermann. 39. Bericht iiber 

 die Leistungen in der Naturgeschichte der 

 Saugthiere wahrend der Jahre 1855 bis 1858. 

 Wiegmann, Archiv, XXII., 1856 (Bd. 2), pp. 

 33-58 ; XXIII., 1857 (Bd. 2), pp. 1-28 ; XXIV., 

 1858 (Bd. 2), pp. 30-57; XXV., 1859 (Bd. 2), 

 pp. 1-23. 



40. Beobachtungen iiber die Fische in den 



Eisennieren des Saarbriicker Steinkohlenge- 

 birges. Rheinl. u. Westphal. Verhand. 1857, 

 pp. 1-19. 



41. Bemerkungen iiber die Cepbalopoden 



von Messina. Wiegmann, Archiv, XXIII., 1857, 

 pp. 77-98. 



42. Nachtragliche Bemerkung iiber die 



Gattung Scseurgus. Wiegmann, Archiv, XXIV., 

 1858, pp. 298-302. 



43. Leptopterygius, neue Gattung der 

 Discoboli. Wiegmann, Archiv, XXVI., 1860, 

 pp. 205-209. 



44. Zeichnung eines neuen Fundes in der 



Rotter Braunkohle. Rheinl. u. Westphal. Sitz- 

 ungsber. XVIII., 1861, pp. 28-29. 



45. Ueber die systematische Stellung der 



Gattung Solarium. Wiegmann, Archiv, XXVIL, 

 1861, pp. 91-99. 



46. Ueber den Unterkiefer der Schlangen 



und iiber die fossile Schlange von Rott. Wieg- 

 mann, Archiv, XXVIL, 1861, pp. 326-360. 



47. Ueber das Gebiss der Gattung Cancel- 



laria. Wiegmann, Archiv, XXVIL, 1861, pp. 

 361-364. 



48. Ueber die Entwickelung der Mollus- 



ken. Rheinl. u. Westphal. Corresp. XX., 1863, 

 pp. 72-74. 



Troschel, Franz Hermann, und Johannes Miil- 

 ler. Ueber die Gattungen der Asteriden. 

 Wiegmann, Archiv, VI., 1840, pp. 318-325, 

 367-368. 



2. Ueber die Gattungen der Ophi- 



uren. Wiegmann, Archiv, VI., 1840, pp. 326- 

 330. 



3. Neue Beitriige zur Kenntniss der 



Asteriden. Wiegmann, Archiv, IX., 1843, pp. 

 113-131. 



4. Synopsis generum et specierum 



familise Characinorum. Wiegmann, Archiv, X., 

 1844, pp. 81-99. 



5. Beschreibung neuer Asteriden. 



Wiegmann, Archiv, X., 1844, pp. 178-185. 

 Troschel, Franz Hermann, und L. Pfeiffer. 



Neue Molluskengattungen. Zeitschr. Malako- 



zool. VI., 1849, pp. 97-105, 113-116. 

 Trotin, E. De 1'etablissement des supports des 



lignes telegraphiques. Emploi du graphometre 



pour determiner 1'emplacement des poteaux. 



Calcul de la resistance des divers supports. 



Annal. Telegraph. I., 1855, pp. 169-182 ; II., 



1856, pp. 1-9. 



Trotter, John. A proposal for destroying the 

 Fire and Choak-Damps of Coal Mines ; and 

 their production explained on the principles of 

 modern chemistry. Tilloch, Phil. Mag. XXIII., 

 1806, pp. 261-264. 



2. Description of a curvilinear saw. Ni- 

 cholson, Journ. XVII., 1807, pp. 334-336 ; 

 Tilloch, Phil. Mag. XXVIL, 1807, pp. 207- 

 208. 



3. Description of a new construction and 



arrangement of the keys of musical instruments. 



Nicholson, Journ. XXXIIL, 1812, pp. 215- 



217. 



Trotter, Robert. Notes regarding the meteoro- 

 logy and climate of the Cape of Good Hope. 



Bengal. Journ. Asiat. Soc. XL, 1842, pp. 211- 



216. 

 Trouessart, - . Theorie de la vision confuse 



et de Firradiation. Bibl. Univ. Archives, XX., 



1852, pp. 305-306. 



2. Note concernant ses recherches sur la 



theorie de la vision. Paris, Comptes Rendus, 

 XXXV., 1852, pp. 134-136 ; XXXVL, 1853, 

 pp. 144-146, 227. 



Troughton, Edward. Nachricht von neuen 

 astronomischen Instrumenten und Beobacht- 

 ungs-Methoden. Zach, Monat. Corresp. II., 

 1800, pp. 207-222. 



2. Description of a Tubular Pendulum, 



having all the properties of the Gridiron; but 

 being more compact as well as more steady in 

 its motions. Nicholson, Journ. IX., 1804, pp. 

 225-230; Gilbert, Annal. XXV., 1807, pp. 

 255-266. 



3. An account of a method of dividing 



astronomical and other instruments by ocular 

 inspection, in which the usual tools for gra- 

 duating are not employed ; the whole operation 

 being so contrived that no error can occur but 

 what is chargeable to vision, when assisted by 

 the best optical means of viewing and measuring 

 minute quantities. Phil. Trans. 1809, pp. 105- 

 145. 



4. Comparison between the length of the 



Seconds Pendulum, as determined by Mr. 

 WHITEHURST and Captain KATER. Edinb. Phil. 

 Journ. L, 1819, pp. 75-76. 



5. Description of the Nautical Top. Edinb. 



Phil. Journ. L, 1819, pp. 105-108. 



6. An account of the Repeating Circle, 



and of the Altitude and Azimuth Instrument, 

 describing their different constructions, the 

 manner of performing their principal adjust- 

 ments, and how to make observations with 

 them; together with a comparison of their 

 respective advantages. [1821.] Astron. Soc. 

 Mem. L, 1822, pp. 33-54; Tilloch, Phil. Mag. 

 LX., 1822, pp. 8-18, 102-108; Hertha, XII.. 

 1828, pp. 26-36. 



