250 Neue Literatur, XXVIII, "2. 



Stempell, W. , Leitfaden für das mikroskopiscli- zoologische Praktikum. 



(III, 84 pp. m. 71 Abbild.) Lex. 8". Jena (G. Fischer) 1911. 2-80 M. 

 Tourneux, F., Precis d'histologie humaine. 537 figg. 2. edit. Paris (Doin) 



1910. 1047 pp. 80. 



2. Mikroskop und mikroskopische Nebenapparate. 



a. Neue Mikroskope. 



Beck's London microscope: handle model (Journ. R. Microsc. Soc. 1911, 



pt. 3, p. 406; vgl. R. a. J. Beck's Special Catalogue 1911). 

 Hartnack- Potsdam: Neuer Katalog über Mikroskope und Hilfsapparate, 



1911. 

 Winkel's stand no. 1 (Journ. R. Microsc. Soc. 1911, pt. 2, p. 248; vgl. 



R. Winkel, Göttingen, Katalog 1911, p. 22). 

 Winkel's travelling microscope (Journ. R. Microsc. Soc. 1911, pt. 2, p. 248; 



vgl. R. Winkel, Göttingen, Katalog 1911, p. 45). 

 Winkel's dissecting microscope (Journ. R. Microsc. Soc. 1911, pt. 2, p. 251; 



vgl. R. Winkel, Göttingen, Katalog 1911, p. 50). 

 Winkel's stand no. Id (Journ. R. Microsc. Soc. 1911, pt. 3, p. 406; vgl. 



R. Winkel, Göttingen, Katalog 1911, p. 26). 

 Winkel's demonstration microscope with detachable foot (Journ. R. Microsc. 



Soc. 1911, pt. 3, p. 407; vgl. R. Winkel, Göttingen, Katalog 1911, 



p. 44). 



b. Mikrometer. 



(HimoiF, M. ,) Improved micrometer (Journ. R. Microsc. Soc. 1911, pt. 3, 

 p. 408; vgl. Engl. Mechanic vol. XCIII, 1911, p. 147). 



(Hipi)le, H.,) Plug micrometer (Journ. R. Microsc. Soc. 1911, pt. 2, p. 256; 

 vgl. Engl. Mechanic vol. XCII, 1911, p. 581). 



c. Beleuchtungsajjparate. 



Jentzsch, F., Über Dunkelfeldbeleuchtung. I. Allgemeines über Spiegel- 

 kondensoren. II. Der konzentrische Kondensor (Verhandl. d. physik. 

 Gesellsch. Jahrg. XII, 1910, No. 22, p. 975; vgl. diese Zeitschr. Bd. 

 XXVIII, 1911, p. 208). 



