616 Neue Literatur. I, 4. 



jectives (Journ. R. Microsc. Soc. Ser. 11 vol. IV, 1884, pt. 3, p. 453; cfr. 

 The Microscope vol. IV, 1884, p. 27). 



(Nelson, E. M.), Illumination by dayUght and artificial light. Paraboloids and 

 Lieberkühns (Journ. R. Mcrosc. Soc. Ser. 11 vol. IV, 1884, pt. 4 p. 621). 



A new Illuminator (Amer. Monthly Microsc. Journ. vol. V, 1884, no. 7 p. 126). 

 [Vereinfachtes ÄBßE'sches Modell, Blendscheibe durch Scharnier zurück- 

 schlagbar, Blenden weiter nicht beioeglich; construirt von Bausch & 

 Lomb'\. 



Hartwig, O., Die Verwendung des Scioptikons als eines anatomischen Unter- 

 richtsmittels (Sitzungsber. der Jen. Gesellsch. d. Med. u. Naturw., 1883, 

 p. 17). 



Lancaster, W. J., Lantern microscope (Engl. Mechan. vol. XXXIX, 1884, 

 p. 152). 



Beck's complete microscope lamp (Microsc. News, vol. IV, 1884, no. 44 p. 217, 

 Journ. R. Microsc. Soc. Ser. II vol. IV, 1884, pt. 4, p. 628). 



Stein, TL., Die Verwendung des elektrischen Glühlichtes zu mikroskopischen 



Untersuchungen und mikrophotographischen Darstellungen (Centralzeit. f. 



Opt. u. Mechan. Bd. V, 1884, No. 13 p. 149, No. 14 p. 163, No. 15 p. 170; 



unerlaubter, wörtlicher Abdruck aus dieser Zeitschr. Bd. I, 1884, p. 161). 

 Electric light for microscopy (Amer. Monthly JVIicrosc. Journ. vol. V, 1884, 



no. 6 p. 115; Ref. nach dieser Zeitschr. Bd. I, 1884. p. 161, p. 175). 

 Giant electric microscope (Joui-n. of Sei. vol. VI, 1884, p. 370). 

 The electric light in microscopy (Amer. Monthly Microsc. Journ. vol. V, 1884, 



no. 7, p. 138; Ref. nach Flesch, diese Zeitschr. Bd. I, 1884, p. 175). 



f. Polarisationsapparate. 



Ahrens, C. D., On a few form of polarizing prism (Journ. R. Microsc. Soc. 



Ser. II vol. IV. 1884, pt. 4 p. 533). 

 Scott, G. B., Polarizer for the microscope (Engl. Mechan. vol. XXXIX, 1884, 



p. 173). 

 Abbe's analysing eye-piece (Journ. R. Microsc. Soc. Ser. II vol. IV, 1884, pt. 3 



p. 462). 

 Feussner's polarizing prisms (1. c. p. 456 ; cfr. Zeitschr. f. Instrumentenk. Bd. 



IV, 1884, p. 42, Natura vol. XXIX, 1884, p. 514). 

 Polarizer for the microscope (Engl. Mechan. vol. XXXIX, 1884, p. 215). 

 Reichert's polarization microscope (Journ. R. Microsc. Soc. Ser. II vol. IV, 1884? 



pt. 3 p. 440). 



g. Camera lucida. 



Hardy, J. D., Microscopical drawing (Journ. Quek. Microsc. Club vol. I, 1884, 

 p. 360). 



