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. I., 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 a. [Signed e.] 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 e.] Camb. Math. 

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



34. Evaluation of the definite integral 



1+* 2 



[Signed e.] 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, 

 Polytech. Gesell. Verhandl. XIV., 1853, pp. 

 21-22. 



3. Ueber Selbsteutziindungen und Pyro- 



phore. [1854.] Berlin, Polytech. Gosell. Ver- 

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



4. Vortrag tiber Gasrnesser. Berlin, Poly- 

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

 62. 



5. Ueber Gegeustiinde, welche der Ge- 

 sundheit des Meuschen mehr oder weniger 

 schiidlich sind. Berlin, Polytech. Gesell. Ver- 

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



6. Ueber die Vertilgung der Maikiifer und 



Engeiiiuge und dereu Verwendung als Diinger. 

 Berlin, Polytech. Gesell. Verhandl. XXII., 1861, 

 pp. 18-21. 



Elster, S. Ueber die zweckmassige Benutzung 

 und die Bestimmung der Leuchtkraft des Gas- 

 lichtes. Berlin, Polytech. Gesell. Verhandl. 

 XXI., 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 Beobachtungeu 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. XI., 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. XIII., 

 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 Gervillieu- 

 schicht bei Kreuth und den rothen Kalkstein 

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

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



19. [Ueber das Baierische Gebirge.] 



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

 449-450. 



2O. [Geognostischer Bau der ostlichen 



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

 1850, pp. 298-300. 



21. Geologic der Baierischen Alpen. 



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

 12-19. 



22. [Geologiscb.es aus Meiningen.] 

 Deutsch. Geol. Gesell. Zeitschr. VIII., 1856, 

 pp. 163-164. 



Enceps. [Pscudon.~\ Inquiry whether Nrevia 

 materua [s;o], 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 Anuaherung bei der Olbers'schen C'ometen- 

 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 f.iir 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 Jordytaus Medel- 

 ternperaturers beroende af Latituden. Lund, 



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



4 N 



