ADDITIONS. 



649 



Ellis, Robert Leslie. 28. On the existence of a 

 relation among the coefficients of the equation 

 of the squares of the differences of the roots of an 

 equation. [Signed R. L. E.] Camb. Math. 

 Journ. L, 1839, pp. 256-258. 



29. On a property of the parabola. [Signed 



e.] Camb. Math. Journ. II., 1841, p. 48. 



3O. Problem on the area of a polygon. 

 [Signed e.] Camb. Math. Journ. II., 1841, pp. 

 142-143. 



31. Problem on the tangent of an ellipse of 



eccentricity, e cos . [Signed 6.] Camb. Math. 

 Journ. III., 1843, pp. 94-95. 



32. Stability of eccentricities and inclina- 

 tions. [Signed e.] Camb. Math. Journ. III., 

 1843, pp. 290-291. 



33. Problem on a plane passing through any 



point of a surface. [Signed .] Camb. Math. 

 Journ. IV., 1845, pp. 47-48. 



34. Evaluation of the definite integral 



dx. 



[Signed ,~\ Camb. Math. Journ. IV., 1845, 

 pp. 143-144. 



Eisner, R. W. 2. Ueber Kohlenwasserstoffgas- 

 (Leuchtgas-) Bereitung, mit besonderer Bezie- 

 hung auf das Pettenkofer'sche Holzgas. Berlin, 

 Poly tech. Gesell. Verhandl. XIV., 1853, pp. 

 21-22. 



3. Ueber Selbstentziindungen und Pyro- 



phore. [1854.] Berlin, Poly tech. Gesell. Ver- 

 handl. XVI., 1855, pp. 73-77. 



4. Vortrag iiber Gasmesser. Berlin, Poly- 

 tech. Gesell. Verhandl. XVII., 1856, pp. 61- 

 62. 



5. Ueber Gegenstande, welche der Ge- 



sundheit des Menschen mehr oder weniger 

 schadlich sind. Berlin, Polytech. Gesell. Ver- 

 handl. XVIL, 1856, pp. 147-180. 



6. Ueber die Vertilgung der Maikafer und 



Engerlinge und deren Verwendung als Diinger. 



Berlin, Polytech. Gesell. Verhandl. XXIL, 1861, 



pp. 18-21. 

 Ulster, S. Ueber die zweckmassige Benutzung 



und die Bestimmung der Leuchtkraft des Gas- 



lichtes. Berlin, Polytech. Gesell. Verhandl. 



XXL, 1860, pp. 249-268. 

 Elvert, Christian d'. Die bisherige Pflege der 



Meteorologie in Mahren und Schlesien. Briinn, 



Notizblatt, 1855, pp. 53-59; 1856, pp. 1-7, 



89-92. 

 2. Ueber den Fortgang der meteorolog- 



ischen Beobachtungen in Mahren und Oester- 



reichisch Schlesien. Briinn, Notizblatt, 1857, 



p. 77. 

 Emeritus. See Young, (Thomas}, No. 21. 



VOL. VI. 



Emmett, (Lieut.- Col.} A. Experiments made 

 during a voyage and at Bermuda on the carbonic 

 acid in the atmosphere. Meteorological obser- 

 vations, &c. Phil. Mag. XL, 1837, pp. 225- 

 227, 449-452. 



2. Meteorological Observations made at 



Bermuda, 1836-37 ; and notice of an Aurora 

 Borealis seen in low latitudes. Phil. Mag. XII., 

 1838, pp. 42-47. 



3. Meteorological observations taken at 



Bermuda, July Dec. 1837. Phil. Mag. XIIL, 

 1838, pp. 12-15. 



Emmett, (Rev.) J. B. 18. On. an electrical phe- 

 nomenon. Phil. Mag. V., 1829, pp. 170-172. 



Emmons, E. 14. Composition of the milk of the 

 Jersey cow. New York, Agric. Soc. Trans. X., 

 1850, pp. 326-327. 



Emmrich, Hermann. 18. [Ueber die Gervillien- 

 schicht bei Kreuth und den rothen Kalkstein 

 von Hallstadt.] Deutsch. Geol. Gesell. Zeit- 

 schr. L, 1849, pp. 103-104. 



19. [Ueber das Baierische Gebirge.] 



Deutsch. Geol. Gesell. Zeitschr. I., 1849, pp. 

 449-450. 



20. [Geognostischer Bau der ostlichen 



Alpen.] Deutsch. Geol. Gesell. Zeitschr. II., 

 1850, pp. 298-300. 



21. Geologic der Baierischen Alpen. 



[1850.] Haidinger, Berichte, VIL, 1851, pp. 

 12-19. 



22. [Geologisches aus Meiningen.] 



Deutsch. Geol. Gesell. Zeitschr. VIIL, 1856, 

 pp. 163-164. 



Enceps. [Pseudon.'] Inquiry whether Nsevia 

 materna [sic], with which children are sometimes 

 born, should be attributed to the imagination of 

 the mother. Tilloch, Phil. Mag. XXXIV., 

 1809, pp. 347-349. 



Encke, Johann Franz. 172. Ueber den Grad 

 der Annaherung bei der Olbers'schen Cometen- 

 bahn-Bestimmung. Berlin, Astr. Jahrb. 1856, 

 pp. 362-370. 



173. Ueber die Berechnung der speciellen 



Storungen. Berlin, Astr. Jahrb. 1858, pp. 

 307-325. 



174. Ueber die Form der Briinnow'schen 



Storungstafeln fur die Flora. Berlin, Astr. 

 Jahrb. 1859, pp. 305-328; 1860, pp. 336-342. 

 175. Ueber eine Erweiterung des Douwes- 



schen Problems. Berlin, Astr. Jahrb. 1859, 

 pp. 329-368. 



To No. 69 add reference : 

 Phil. Mag. XX., 1842, pp. 137-141. 

 No. 16O. Cancel. 



Engestrom, (Prof.). Om Jordytans Medel- 

 temperaturers beroende af Latituden. Lund, 



Phys..Sallsk. Arsber. 1823, pp. 23-32. 



4 N 



