XXVI, 4. Neue Literatur. 587 



2. Mikroskop und mikroskopische Apparate. 



a. Neue Mikroskope. 



Koristka's Large Model I (Journ. R. Microsc. Soc. 1909, pt. G, p. 705; 

 vgl. KoRisTKAs Katalog No. XIII, 1908, p. 8 u. 9). 



b. Objekttisch. 



Swift and Son's stage goniometer (Journ. R. Microsc. Soc. 1909, pt. 5, 

 p. 64Ü). 



c. Beleuchtiingsapparate. 



Koristka's Paraboloid Condensor (Journ. R. Microsc. Soc. 1909, pt. 6, 

 p. 770; vgl. KoRiSTKAs Katalog No. XIII, 1908, p. 55). 



Watson's nevv Holos immersion paraboloid (Journ. R. Mici'osc. Soc. 1909, 

 pt. 5, p. G47). 



d. Heizvorrichtiing. 



(Boeke, H. E.,) Arrangement for microscopical observations at extreme 

 temperatures (Journ. R. Microsc. Soc. 1909, pt. 6, p. 768 ; vgl. Zeitschr. 

 f. Instrumentenkde. Bd. XIX, 1909, p. 72—74). 



e. Lupen. 



Dissecting stand with lens (Journ. R. Microsc. Soc. 1909, pt. G, p. 7G4; 

 vgl. Cambridge Scientific Instruments Co., Ltd., Cad. No. 57, 1909, 

 p. 10). 



