758 



ADDITIONS. 



Spiller, John. 8. Analysis of a Babylonian 

 cylinder and amulet. Phil. Mag. XI., 1856, 

 pp. 107-109. 



Spottiswoode, William. 31. On a geometrical 

 theorem. Phil. Mag. XXXVII., 1850, p. 289. 



Squire, Thomas. 4, On contemporaneous mete- 

 orological observations, as proposed by the Royal 

 Society of Edinburgh. Phil. Mag. I., 1827, 

 pp. 208-212. 



5. On the occultation of Aldebaran, 16 



July 1830. Phil. Mag. VIII., 1830, pp. 245-247. 



6. On determining the longitude by 



occultations of the fixed stars. Phil. Mag. 

 Vin., 1830, pp. 442-444. 



Stadeler, G. 31. Ueber den Thonerdegehalt 

 des Pyi'ochlors. Erdm. Journ. Prak. Chem. 

 XXXIX., 1846, p. 246. 

 To No. 1 add reference : 

 Erdm. Journ. Prak. Chem. XXXIX., 1846, 

 pp. 244-246. 



Stanistreet, John. Total eclipse of the Sun 28 

 July 1 851, observed at Trollhattan. Astron. Soc. 

 Mem. XXL, 1852, pp. 54-58. 



Steinacher, Philippe Anthony. 8. Observa- 

 tions sur le carbonate de fer. Van Mons, 

 Journ. de Chimie, VI., 1804, pp. 70-72. 



^-— 9. Preparation d'un carbonate de zinc bien 

 pur. Van Mons, Journ. de Chimie, VI., 1804, 

 pp. 180-182. 



To No. 3 add reference : 

 Van Mons, Journ. de Chimie, VI., 1804, 

 pp. 88-91. 



Stephens, Henry Oxley. 10. Sur les maladies 

 des Melezes (Larix Europaea) dans la Grande 

 Bretagne. Bibl.Univ.LVIIL, 1835, pp. 11 3-1 18. 



Sternberg, Kaspar {Graf) von. 41, Insect- 

 engange im Blatte der Flabellaria borassifolia. 

 Prag, Verhandl. XIV., 1836, pp. 34-35. 



Stevart, A. 2. Memoire sur les meilleures 

 methodes d'analyse des minerals qui, en Bel- 

 gique, servent a I'extraction du fer, du cuivre, 

 du zinc et du plomb. Discussion des avantages 

 et des inconvenients de la methode volumetrique 

 appliquee a ces analyses. Liege, Soc. £mul. 

 Mem. II., 1862, pp. 183-248. 



Stevenson, : 



Add reference : 



Entom. Soc. Proc. 1844, p. 120. 



Stevenson, William. 7. Abstract of observations 

 on Aurora, Cirri, &c., made at Dunse. Phil. 

 Mag. VI., 1853, pp. 20-46. 



Stickel, Carl. 4. Wirkung der Kohle auf Metall- 

 salze. Erdm. Journ. Prak. Chem. IX., 1836, 

 pp. 114-118. 



Stipriaan-Luiscius, Abraham van. 10. Ver- 

 suche, betreffend die Anwendung salpetersaurer 

 und kochsalzsaurer Dampfe zur Verbesserung 

 der atmospharischen Luft. Neues Allg. Journ. 

 Chemie, IL, 1804, pp. 608-615 ; Geneeskundig. 

 Mag. III., 1804, pp. 164-203. 



Stokes, Johfi. 2. On some optical phenomena. 



Phil. Mag. VL, 1829, pp. 416-418. 

 Story-Maskelyne. See Maskelyne. 

 Strombeck, August von. 36. [Flammenmergel 



jiingster Gault.] Deutsch. Geol. Gesell. 



Zeitschr. VL, 1854, pp. 672-673. 



37. [Belemnitellen in Norddeutschland.] 



Deutsch. Geol. Gesell. Zeitschr. XL. 1859, pp. 

 490-492. 



Stromeyer, August : 



To No. 8 add reference : 

 Erdm. Journ. 'Prak. Chem. LXXVL, 1859, 

 pp. 27-31. 

 Student. [Pscudon.'] On Foucault's pendulum 

 experiments. Franklin Inst. Journ. XXIL, 

 1851, pp. 419-421. 

 Sturgeon, William. 70. An account of an 

 Aurora-Borealis observed 7th Jan. 1831. Phil. 

 Mag. IX., 1831, pp. 127-129. 

 Siiersen, J. F. H. 4. Ueber die Verschiedenheit 

 der Am.eisensiiure von der Essigsaure. Neues 

 Allg. Journ. Chemie, IV., 1805, pp. 3-16. 



5. Einige Bemerkungen iiber das nothige 



Verhaltniss der Schwefelsaure zum Salpeter, in 

 Hinsicht auf die Eduction der reichlichsten 

 Menge Salpetersaure. Neues Allg. Journ. 

 Chemie, IV., 1805, pp. 188-194. 



Suffrian, E. 21. Zur Kenntniss der Africaa- 

 ischen Cryptocephalen. Linnsea Entomol. XL, 

 1857, pp. 57-256. 

 Svanberg, Jons. 18. Schwedische Gradmessung. 

 Zach, Monat. Corresp. XII., 1805, pp. 421-449, 

 513-541 ; XIIL, pp. 1-20, 330-345, 452-466 ; 

 XIV., pp. 210-224, 327-333. 

 Svanberg, Lars Fredrik : 

 To No. 2 add reference : 

 Erdm. Journ. Prak. Chem. X., 1837, pp. 

 494-500. 

 Swan, William. 17. On a new method of ob- 

 serving the spectra of stars. Phil. Mag. XL, 

 1856, pp. 448-450. 



To No. 6 add reference : 

 Astron. Soc. Mem. XXL, 1852, pp. 72-75. 

 Swinburne, Henry : 



To No. 1 add reference : 

 Geogr. Soc. Journ. I., 1832, pp. 258-262. 

 Sylvester, James Joseph. 113. On an extension 

 of Sir John Wilson's theorem to all numbers 

 whatever. Phil. Mag. XIH., 1838, p. 454 ; 

 XIV., 1839, pp. 47-48. 



1 14. On a porismatic property of two conies 



having with one another a contact of the third 

 order. Phil. Mag. XXXVU., 1850, pp. 438- 

 439. 



115. Demonstration of the theorem that 



every homogeneous quadratic polynomial is 

 reducible by real orthogonal substitutions to the 

 form of a sum of positive and negative squares. 

 Phil. Mag. IV., 1852, pp. 138-142. 



