II, 4. Neue Literatur. 585 



c. Ocular. 



Fasoldt's (Ictaching nosc-piece (Amer. Monthly Micfosc. Joiirn. vol. VI, 1885, 

 110. 8 p. 149). 



d. Beleuchtungsai)parate. 



(Behrens, AV.), Observation by artificial illumination (Microsc. Bull. vol. II, 



1885, p. 20, from Behken.s, W. J., The microscope in botany). 

 Cooper, AV. A., Daylight v. lampUght for microscopical Observation (Engl. 



Median, vol. XLl, 1885, p. 564). 

 (van Heurck, H.), Helot-Trouve apparatus for electrical illumination (Journ. 



K Microsc. Soc. Ser. II vol. V, 1885, pt. 5 p. 864). 

 Hnnt, G., The right-anglecl prism instead of a plane niirror in the microscope 



(Engl. Mechan. vol. XLI, 1885, pp. 414, 523; cfr. Journ. R. Microsc. Soc. 



Ser. II vol. V, 1885, pt. 4 p. 709, pt. 5 p 864). 

 Lacaze-Dnthiers, H. de, Note accompagnant la presentation d'appareils d'eclai- 



rage electrique pour les travaux des naturalistes, chimistes, micrographes 



etc., construits par M. G. Tkouve (Comptes rend. de Paris t. Gl, 1885, 



p. 405). 

 (Nelson, E. M,), Illumination (Journ. R. Microsc. Soc. Ser. II vol. V, 1885, 



pt. 4 p. 713; cfr. Engl. Mechan. vol. XL, 1884, pp. 68, 157, 263, 282). 

 Stockes, G. G., On light as a means of investigation. London 1885, 114 pp. 8". 



Bles, E. J., Opaque illumination (Trans, and Ann. Rep. Manchester Microsc. 



Soc. 1884-85 p. 23). 

 Carpeuter, W. B., Wallich condenser (Journ. Quek. Microsc. Club, vol. II, 



1885, p. 145). 

 Hiinter, J. J., New form of graduating iris diaphragm (1. c. p. 161). 

 Nelson, E. 31., Rotating nose-piece condenser (1. c. p. 153). 

 Grunow's illuminator (Amer. Monthly Microsc. Journ. vol. VI, 1885, no. 10 



p. 183). 

 TöPLEii's illuminating apparatus (Journ. R. Microsc. Soc. Ser. II vol. V, 1885, 



pt. 4 p. 710; cfr. Zeitschr. f. Instrumentenk. Bd. II, 1882, p. 92). 

 Zentmayek's Abbe condenser (Journ. R. Microsc. Soc. Ser. II vol. V, 1885, 



pt. 4 p. 710; cf. Amer. Monthly Microsc. Journ. vol. VI, 1885, p. 84). 



d'Arsonval, Simplification des appareils ä 2>rojection (Journ. Soc. Scientif. 



t. I, 1885, p. 140; cfr. Journ. R. Microsc. Soc. Ser. II vol. V, 1885, pt. 5 



p. 866). 

 Dnbosq, T. et A., Nouvel appareil de grandissemcnt pour la projection, soit 



des tableaux de grandes dimensions, soit des objets microscopiques 



(Comptes rend. de Paris, t, CI, 1885, p. 476; cfr. Journ. R. Äiicrosc. Soc. 



Ser. II vol. V, 1885, pt. 5 p. 861). 

 (Vorce, C. M.), Lantern transparencies (Journ. R. Microsc, Soc. Ser. II vol. 



V, 1885, pt. 5 p. 866; cfr. Amer. Monthly Microsc. Journ. vol. VI, 1885, 



p. 84). 



