TWI] 



[TYC 



. Ueber das Wachsthum der 



Bamne. Froriep, Notizen, XXXVIII., 1S33, 

 coL 337-339. 



Twining, (Miss). On the comparison of the 

 flora of Britain with that of other countries. 

 Brit. Assoc. Rep. 1847 (pL 2), pp. 87-88. 



Twining, Ala. C. A new method of resolving 

 equations of the third and fourth degree. Silli- 

 man, Journ. IX.. 1S25, pp. 86-90. 



. 2. Observations on two late meteors seen 



at New-Haven. Silliman. Journ. XL, 1826, 

 pp. 184-189 ; XXTV., 1833, pp. 391-393. 



3. Investigations respecting the Meteors 



of 13 November 1833 ; with remarks upon Prof. 

 OIJCSTED'S theory respecting the cause. Silli- 

 man, Journ. XXVL, 1834, pp. 32O-352. 



.. 4. Meteors on the morning of 13 Novem- 



ber 1834. Franklin Inst. Journ. XVL, 1835, 

 pp. 372-373 ; Silliman, Journ. XXVIL, 1835, 

 pp. 339-340. 



5. Observations upon certain auroral and 



optical phenomena. Silliman, Journ. XXXTT., 

 1837. pp. 217-229; BibL Univ. XL, 1837, pp. 

 387-391. 



6. Aurora borealia of 3 September 1839. 



Siffiman, Journ. XX XVIII^ 1840, pp. 376-377. 



7. On the parallelogram of forces. SflTi- 



man, Journ. XLVL, 1844, pp. 324-330. 



8. Attempt to demonstrate the assumed 



point in the doctrine of parallels. Silliman, 

 Journ. L, 1846, pp. 89-98. 



9. Experimental researches tending to- 

 wards an improvement of the telescope, Amer. 

 Assoc. Proc, 1851, pp. 65-74. 



1O. Inquiries concerning stellar occulta- 



tions by the moon and the planets ; experi- 

 ments upon light and magnitude in relation to 

 vision. Silliman, Journ. XXVL, 1858, pp. 15- 

 24. 



. 11. Investigations respecting the pheno- 



mena of meteoric rings, as affected by the earth. 

 Silliman, Journ. TTgXTrT., 1862, pp. 244-258. 



Twining, Wm. Observations on the Filaria or 

 Thread-worm found in the eyes of horses in 

 India. Calcutta, Trans. Med. Phys, Soc. L, 

 1825, pp. 345-362 ; Veterinarian, L, 1828, pp. 

 114-119, 194-198. 



2. On single vision and the union of the 



optic nerves. Calcutta, Trans. Med. Phys, Soc. 

 IL, 1826, pp. 151-169; Edinb. Journ. ScL IX., 

 1828, pp. 143-153. 



3. Case of Dracanculus occurring in Cal- 

 cutta. Calcutta, Trans, Med. Phys. Soc, VIL, 

 1835, pp. 476-480. 



Twiss, T. On the phenomena of glaciers. Ash- 

 mol. Soc. Proc. IL, 1843-52, pp. 6-10; Fro- 

 riep, Notizen, XXV., 1843, coL 293-295. 



2. [On the ova and fry of the salmon.] 



Ann. Nat. Hist. XTV., 1844, pp. 146-147. 



T witty, 5. G. Esres within an esg. Charleston, 

 Med. Journ. XL, 1856, p. 



Twyford, A. W. Notes relative to the late pro- 

 posed expedition to discover the sources of the 

 White Nile. Geogr. Soc. Proc. L, 1857, pp. 

 503-508. 



Tychsen, . Forsdg med Islansk Sejtnaskov 



(Lichen proboscideus) og Rensdynnos (L. rangi- 

 ferinus) i henseende til deres oploselige nierende 

 og farvende bestanddele. Kiobenhavn, Skriv. 

 .:. Selsk. IV., 1797 (pte. 2), pp. 133-152. 



2. Chemische Untersuchung eines Schwe- 



fel-, Eisen- und Arsenikhaltigen Uraniterzes. 

 Trommsdorff, Journ. d. Pharm. V., 1798, pp. 

 121-134. 



3. Chemische Versuche mit dem in Nor- 



wegen entdeckten titanhaltigen Eisenerze. J ena, 

 Ann. Soc. Min. L, 1802, pp. 173-188. 



Tychsen, Camilla. Et par almindelige regler, 

 hvorved man ad elementaer vei kan bestemme 

 maximum af et produkt (Efter : Sourellts An- 

 nales de Mathematiques). Mathem. Tidssk. L, 

 1859, pp. 22-29. 



2. Et program over elementfer Mechanik. 

 (En Afhandling af C, E. PAGE : "Sourelles An- 

 nales de Hathematiqufs."') Mathem. Tidssk. 

 L, 1859, pp. 49-64, 98-111, 183-190. 



3. En bemaerkning med hensyn til en lig- 



ning af 4^ grad. (Et uddrag af GEROXO'S 

 afhandling om Normaler dragne til et Kegles- 

 nit. Sour. Annal. torn. EL.) Mathem. Tici 



L, 1859, pp. 141-144. 



4. Et analytisk fremstilling af nogle s&t- 



ninger om poler og polarer med hensyn til 

 keglesnitslinier, belliggende i samme plan. 

 Mathem. Tidssk. H., 1860, pp. 19-32.. 



5. Elementaer bestemmelse af tyngdepunctec 



for et plant areal, begrsendset af en keglesnitsbue, 

 koordinaterne til denne bues endepunkter og den 

 mellemliggende del af abscisseaxen. Mathem. 

 Tidssk. IL., 1860, pp. 145-154. 



6. Om den kurve en hund beskriver ved 



at f01ge sin herre. Mathem. Tidssk. in., 1861, 

 pp. 33-37. 



7. Om en mathematisk unders^gelse af et 



billardproblem. Mathem. Tidssk. I1L, 1861, 

 pp. 6O-64. 



8. En elementaer bestemmelse af en lys- 



straales brydning gjenDem et prisma, naar afvi- 

 gelsen skal vaere et minimum. Mathem. Tidssk. 

 HI., 1861, pp. 66-67. 



9. Elementaer bestemmelse af tyngdepunktet 



af en sphaerisk trekant. Mathem. Tidssk. III., 

 1861, pp. 107-109. 



1O. En elementaer opl^sning af et mini- 



mumsproblem. Mathem. Tidssk. IV., 1862, pp. 

 106-10S. 



11. Et par anvendelser af mechaniken. 



Mathem. Tidssk. V., 1863, pp. 26-32. 



