256 Neue Literatur. XX, 2. 



c. Ocular. 



iHuuter. J.,) Eye-piece lens interval as arranged for achromatism (Journ. 



R. Microsc. Soc. 1903, pt. 2, p. 221; vgl. Proceecl. Scottish Microsc. 



Soc. vol. III, 1902, p. 294). 

 Bohrguet's new index ocular (Journ. R. Microsc. Soc. 1903, pt. 1, p. 91; 



vgl. Zeitschr. f. angew. Mikrosk. Bd. VIII, 1902, p. 33). 



d. Mikrometerschraube. 



'Forgan, W.,) Modern fine adjustinents (Journ. R. Microsc. Soc. 1903, pt. 2, 

 p. 221; vgl. Proceed. Scottish Microsc. Soc. vol. III, 1902, p. 137). 



Nelson, E. M., A two-speed fine adjustment (Journ. R. Microsc. Soc. 1903, 

 pt. 1, p. 19). 



e. Tisch. 



Method of fitting the stage and limb of Watson's van Heukck inicroscope 



(Journ. R. Microsc. Soc. 1903, pt. 1, p. 88). 

 Watsox ani> Sons' attachable mechanical stage (Journ. R. Microsc. Soc. 



1903, pt. 1, p. 89). 



f. Beleuchtungsapparate. 



(Lee, A. B.,j Illumination and the use of the condenser in histological 

 micrography (Journ. R. Microsc. Soc. 1903, pt. 1, p. 97 ; vgl. La Cel- 

 lule t. XIX, 1902, fasc. 2, p. 405; diese Zeitschr. Bd. XX, 1903, p. 191). 



Metcalf, M. M. , An electric lamp for microscope illumination (Science n. 

 s. vol. XV, 1902, p. 937). 



Illuminating apparatus for metallography (Journ. R. Microsc. Soc. 1903, 

 pt. 1, p. 97). 



Watson's new Standard electric lamp (Journ. R. Microsc. Soc. 1903, pt. 1, 

 p. 95). 



