546 Neue Literatur. IV, 4. 



Stephenson's erecting binociilar microscope (Journ. R. Microsc. Soc. 1887 pt. 5 



p. 802). 

 Thury's multiocular microscope (Journ. R. Microsc. Soc. 1887 pt. 5 p. 796). 

 Vogel's lens-stand for entomological purposes (Journ. R. Microsc. Soc. 1887 



pt. 5 p. 807 ; cfr. Zeitschr. f. Instrumentenk. Bd. VII, 1887, p. 173). 

 Weinzierl's simple microscope for tbe examination of seeds (Journ. R. Microsc. 



Soc. 1887 pt. 5 p. 806; cfr. diese Zeitschr. Bd. IV, 1887, p. 42). 

 Westien's improved universal clamp for lens-holders (Journ. R. Microsc. Soc. 



1887 pt. 5 p. 807 ; cfr. Zeitschr. f. Instrumentenk. Bd. VII, 1887, p. 54). 

 Woodhead's microscope with large stage for the examination of sections through 



entire organs (Brit. Med. Journ. 1887, no. 1391 p.469). 



b. Objectiv. 



Burrill, T. J., A new objective (The Microscope vol. VII, 1887, p. 233). 

 Marshall, W. P., On the measurement of the magnifying power of microscope 



objectives, with exhibition of Vss "^ waterimmersion objective of Powell 



AND Lealand (Midi. Naturalist vol. X, 1887, p. 540, 561). 

 Pelletan, J., Les objectifs (Journ. de Microgr. t. XI, 1887, no. 13 p. 446, 



no. 14 p. 476). 

 Measure of the aperture of the microscope (Journ. R. Microsc. Soc. 1887, pt. 5 



p. 828). 

 Measurement of the magnifying power of objectives (Engl. Mechan, vol. XLV, 



1887, p. 540, 561). 



c. Stativ. 



Davis, T. S., New stage accessory (16*ii- Ann. Rep. S. London Microsc. and 



Nat. Eist. Club 1887, p. 12). 

 (List, J. H.,) Modification of Reiciieut's object-holder (Jonrn. R. Microsc. Soc. 



1887 pt. 5 p. 848; cfr. diese Zeitschr. Bd. III, 1886, p. 484). 

 Bausch and Lojib condenser and substage (Journ. R. Microsc. Soc. 1887 pt. 5 



p. 809 ; cfr. The Microscope vol. VII, 1887, p. 16). 

 Griffith's substage diaphragm-holder and glass diaphragms (Journ. R. Microsc. 



Soc. 1887 pt. 4 p. 657; cfr. Proceed. Amer. Soc. Microscopists 9"i- ann. 



Meet. 1886, p. 150). 

 Reichert's improved mechanical stage (Journ. R. Microsc. Soc. 1887 pt. 5 



p. 809 ; cfr. diese Zeitschr. Bd. IV, 1887, p. 25). 

 Swift's lever and paraUel-spring fine-adjustment (Journ. R. Microsc. Soc. 1887. 



pt. 5 p. 808). 



d. Beleuclitimgsapparate. 

 Tathani, J., Illumination of objects under the microscope (Transact. a. Rep. 



of the Manchester Microsc. Soc. 1886, p. 78). 

 AuEu's incandescent gas-burner as a microscope lamp. (Journ. R. Microsc. Soc. 



1887 pt. 5 p. 813; cfr. diese Zeitschr. Bd. IV, 1887, p. 35). 



