XIII, 2. Neue Literatur. 275 



Stokes, A. C, CoUar-adjustiiiont (»f tlie objective as aflfected bj' a cliange 

 of eye-pieces (Journ. K. Micri»sc. Soc. 1890, i)t. 1, p. I"i7 ; vgl. Microsc. 

 Bull. vol. XI, 1894, p. 18). 



Abbe's apertometer (Journ. R. Microsc. Soc. 189(5, pt. 2, p. 247). 



Zeiss' a})ochromatics (Journ. R. Microsc. Soc. 189(5, pt. 1, p. 118). 



c. Ocular. 



(Zacharias, O.,) E^-e-piece with iris-diaphragm (Journ. R. Microsc. Soc. 



189(5, pt. 2 p. 242; vgl. Biol. Centralbl. Bd. XVI, 189(5, p. 30). 

 Abbe's spectroscopic eye-piece (Journ. R. Microsc. Soc. 189(3, pt. 2, 



p. 241. 

 CzAPSKi's ocular iris-diaphragm witli eye-piece (Journ. R. Microsc. Soc, 



. 189(3, pt. 1, p. 120). 

 Zelss' eye-piece for observing axial Images (Journ. R. Microsc. Soc. 1896, 



pt. \, p. 119). 



d. Tisch. 



(Behrens, W.,) Microscope-stage with iris-diaphragm (Journ. R. Microsc. 



Soc. 189(3, pt. 2, p. 248: vgl. diese Zeitschr. Bd. XII, 1895, p. 292). 

 Edwards, A. W. , On a new form of mechanical stage (The Microscope 



vol. V, no. 4, 1896, p. 4). 



e. Beleuchtuugsapparate. 



"\'oIk, Neuer Beleuchtungsapparat für Mikroskope (Verhandl. d. Gesellscli. 



Deutscher Naturf. u. Aerzte Lübeck 1895, Th. 2, Abth. 1, p. 93). 

 Hartnack's illuminating apparatus for monochromatic light (Journ. R. 



Microsc. Soc. 1896, pt. 2, p. 247). 

 Zelss' vertical Illuminator (Journ. R. Microsc. Soc. 1896, pt. 1, p. 121). 



f. Mikrometer. 



(Love, E. G.,) Micrometry (Journ. R. Microsc. Soc. 1896, pt. 2, p. 245; 



vgl. Journ. New York Microsc. Soc. vol. XI, 1895, p. 97). 

 Zeiss' screw micrometer eye-piece (Journ. R. Microsc. Soc. 1896, pt. 1, 



p. 119). 

 Zeiss' stage screw micrometer (Journ. R. Microsc. Soc. 1896, pt. 2, p. 24(5). 



18^ 



