A. Untersuchungs- und Conscrvirungsinethoden. 11 



16. Keith, R., Note on Diagrams exhibiting the path of a Ray through Tolles Vfi Immersion 



Objectives, in: Journ. R. Microsc. Soc. Vol. 2. Nr. 3. p. 269. 



17. Dippel, L., Beitrage zur allgemeinen Mikroskopie. III. Der Diffractions- Apparat und 



die Versuche zur Bestatigung von Professor Abbe's Theorie der mikroskopischen 

 Wahrnehmung. in: Zeitschr. f. Mikrosk. p. 42. 



18. Royston-Pigott, G. W., A further inquiry on the limits of microsc. vision, and the delu- 



sive application of Fraunhofer's optical law on Vision, in : Journ. R. Microsc. Soc. 

 Vol. 2. Nr. 1. p. 9. 



19. Crisp, Frank, Microscopical Vision, in : Amer. Quart. Microsc. Journ. Vol. 1. Nr. 2. p. 155. 



20. Tolles, R. B., La distance frontale libre. in: Journ. de Microgr. p. 174. 



21. Mayall, J., Les eclairages a immersion. Ibid. p. 175. 



22. Abbe, E., Ober Stephenson's System der homogenen Immersion bei Mikroskop-Objec- 



tiven. in: Sitzungsber. d. Jen. Ges. fur Naturw. u. Medicin. 1879. 10. Jan. 



23. On Stephenson's System of homogeneous Immersion for Microscope Objectives, in: 



Journ. R, Microsc. Soc. Vol. 2. Nr. 3. p. 256. 



24. - A letter from Professor Abbe, in: Amer. Quart. Microsc. Journ. Vol. 1. Nr. 2. 



p. 157. 



25. Pelletan, La question des huiles a la societe R. microscopique de Londres. in: Journ. 



de Microgr. 



26. Smith, H. L., The Oil-immersion of Carl Zeiss compared with the objectives of C. A. 



Spencer and Sons, in: Anier. Quart. Microsc. Journ. Vol. 1. Nr. 1. p. 28 ff. 



27. Wenham, F. H., Note on homogeneous Immersion Object-glasses, in : Journ. R. Microsc. 



Soc. Vol. 2. Nr. 4. p. 394. 



28. Dippel, L., Beitrage zur allgemeinen Mikroskopie. II. Die Objectiv-Systeme fur homo- 



gene Immersion, in: Zeitschr. f. Mikrosk. p. 33. 



29. Einige weitere Fliissigkeiten fur homogene Immersion. Ibid. p. 58. 



30. Woodward, J. J., Observations suggested by the study of Aniphipleura pellucida mounted 



in Canada-Balsam , by Lamplight and Sunlight with various objectives, in: Journ. 

 R. Microsc. Soc. Vol. 2. Nr. 6. p. 663. 



22 30 beziehen sich sammtlich auf die von Abbe (22) ausfiihrlich besprochene 

 Methode der homogenen Immersion. 



31. Cutter, E., L'objectif J /75 de pouce de Tolles. in: Journ. de Microgr., Juin 1879. 



32. Tolles, R. B., An illuminating Traverse-lens, in: Journ. R. Microsc. Soc. Vol. 2. 



Nr. 4. p. 389. 



(vgl. auch Bernerk. zu Nr. 6.) 



33. Woodward, J. J. , The oblique illuminator. An apparatus for obtaining oblique illu- 



mination at definite angle, in: Amer. Quart. Microsc. Journ. Vol. 1. Nr. 4. p. 268. 



34. Edmunds, Jam., Note on a Revolver Immersion Prism for substage illumination, in: 



Journ. R. Microsc. Soc. Vol. 2. Nr. 1. p. 32. 



35. Mayall, J., Immersion Stage Illuminator, in : Journ. R. Microsc. Soc. Vol. 2. Nr. 7. p. 837. 



36. Stephenson, J. "W. , A catoptric immersion illuminator. Ibid. Nr. 1. p. 36. 



37. Lighten, W., A new device dark-field illumination, in : Amer. Quart. Microsc. Journ. 



Vol. 1. Nr. 1. p. 42. 



38. Smith, Edw., The vertical Illuminator, in: Aineric. Naturalist. Vol. 13. p. 137. 



(Auszug : Journ. R. Microsc. Soc. Vol. 2. Nr. 2. p. 194.) 



39. Tripp, H. E., On the theory of illuminating apparatus employed with the microscope. 



P. I. in: Journ. R. Microsc. Soc. Vol. 2. Nr. 5. p. 503. 



40. Woodward, J. J., Note on Abbe's Experiment on Pleurosigma angulaturn. Ibid. p. 675. 



41. Wolff, M., 'Ein neuer Condenser.) Uber Blutuntersuchungen bei infectiosen Wundkrank- 



heiten. in : Verhandl. d. Berl. physiol. Ges. im Archiv fur Anatornie und Physiologie. 

 Phys. Abth. p. 570. 



