m, 1. Neue Literatur. 137 



c. Ocular. 



Ahrens, C. D., Improved form of Stephenson's biiiocular iirisms (Journ. R. 



Microsc. Soc. Ser. II vol. V, 1885, pt. 6 p. 959). 

 (Nelson, E. M.), Images in the binocular microscope (1. c. p. 1073; cfr. Engl. 



Mcehan. vol. XLII, 1885, p. 202). 

 Nelson, E. M., Position of objects with the binocular (Journ. Quek. Microsc. 



Club vol. II, 1885, p, 198; cfr. Journ. R. Microsc. Soc. Ser. II vol. V, 



1885, pt. 6 p. 1074). 

 Adjusting the eye-pieces of binoculars to eyes of unequal focal length (Journ. 



R. Mcrosc. Soc. Ser. II vol. V, 1885, pt. 6 p. 1065). 



d. Stativ. 



(Flint, J. M,), Rotatory object-carrier (Journ. R. Microsc. Soc. Ser. II vol. VI, 



188ti, pt. 1 p. 133; cfr. Amer. Monthly Microsc. Journ. vol. VI, 1885, 



p. 204). 

 Nelson, E. M., Diaphragms (Engl. Mechan. vol. XLII, 1885, p. 239). 

 Griffitii's substage diaphragm (Journ. R. Microsc, Soc. Ser. II, vol. VI, 1886 



pt. 1 p. 130). 

 Jüng's nose-piece adapter (1. c. p. 132). 

 Klönne and Müller's pendulum object-frame or bacteriafinder (1. c. p. 127; 



diese Zeitschr. Bd. II, 1885, p. 502.) 



e. Beleiiclitungsapparate. 



Hyde, H. C, The electric light in raicroscopy (Proceed. S. Francisco Microsc 



Soc. 1885, Aug. 26). 

 Abbe condenser (Journ. R. Microsc. Soc. Ser. II vol. V, 1885, pt. 6 p. 1065). 

 Coxetek's silico-carbon battery and electric lamp (1. c. vol. VI, 1886, pt. 1 



p. 131). 

 Sokby's direct Illuminator (1. c. p. 130). 

 Watson's Camera or lantern microscope (1. c. vol. V, 1885, pt. 6 p. 1064). 



f. Mikrometer. 



Ewell, M. D., Prof. Rogers' ruling machine and method of ruling Standard 



micrometers (The Microscope vol. V, 1885, p 221). 

 Rogers, W. A., Explanatory notes on a series of slides presented to the 



Society, illustrating the action of a diamond in ruling lines upon glass 



(Journ. R. Microsc. Soc. Ser. II vol. VI, 1886, pt. 1 p. 16). 

 Bülloch's cobweb micrometer (1. c. p. 132 ; cfr. Amer. Monthly Microsc. Journ. 



vol. VI, 1885, p. 239). 



