246 Neue Literatur. XXIII, 2. 



2. Mikroskop und mikroskopische Apparate. 



a. Neue Mikroskope. 



Plate, L., Demonstration eines Schau-Mikroskopes für öffentliche Museen 



(Compt. rend. des seances du 6. Congres internat. de Zool. Berne 1904, 



ersch. Bale 1905, p. 529—530 av. 1 fig.). 

 Rosenhain, W., On an improved form of metalhirgical microscope (Journ. 



R. Microsc. Soc. 1906, pt. 2, p. 14G). 

 Beck's new portable dissecting microscope (Journ. R. Microsc. Soc. 1906, 



pt. 1, p. 94). 

 Reichert's new large mineralogical Stand (Journ. R. Microsc. Soc. 1906, 



pt. 2, p. 216; vgl. Reicherts Spezialkatalog 1905/1906, p. 11). 

 Reichert's new handle microscope (Journ. R. Microsc. Soc. 1906, pt. 1, 



p. 95; vgl. Reicherts Spezialkatalog 1905, p. 8). 

 Reichert's new Stand VII (Journ. R. Microsc. Soc. 1906, pt. 1, p. 95; 



vgl. Reicherts Spezialkatalog 1905, p. 7). 

 Watson and Sons' Club Microscope (Journ. R. Microsc. Soc. 1906, pt. 2, 



p. 216 ; vgl. W. Watson and Sons' Catalogue 1906, p. 36). 

 Watson and Sons' Praxis petrological microscope (Journ. R. Microsc. Soc. 



1906, pt. 2, p. 216; vgl. W. Watson and Sons' Catalogue 1906, p. 84). 

 Watson and Sons' School Microscope, 1905 Model (Journ. R. Microsc. Soc. 



1906, pt. 2, p. 216 ; vgl. W. Watson and Sons' Catalogue 1906, p. 68). 



b. Objektive. 



Malassez, L. , Evaluation de la puissance des objectifs microscopiques 

 (C. R. Acad. Sc. Paris t. CXLII, 1906, p. 773—77.5). 



Malassez, L., Evaluation des distances foco-faciales des objectifs micro- 

 scopiques (C. R. Acad. Sc. Paris t. CXLII, 1906, p. 926—928). 



c. Beleuchtuugsapparate. 



Gordou, J. W. , Dark field illumination (Journ. R. Microsc. Soc. 1906, 



pt. 2, p. 157). 

 Adjustable Microscope Lamp (Journ. R. Microsc. Soc. 1906, pt. 1, p. 98; 



vgl. R. W. Pauls Spezialkatalog 1905). 



