410 Obituary. 



List of Papees and other Commuxications made to the Royal 

 Microscopical Society by Dr. Czapski. 



The following paper by Dr. Czapski, contained in this Journal, 1890, 

 pp. 11-12, foi-ms part of the Transactions of the Society, " On an Objective 

 with an Aperture of 1 • 60 N. A. (Monobromide of Napthaline Immersion), 

 made according to the Formulae of Professor Abbe in the Optical Factory of 

 Carl Zeiss." 



Frequent abstracts of other of his papers contributed to the Zeitschr. 

 wiss. Mikrosk., and the Zeitschr. Instrumentenk., have appeared in this 

 Journal, the following being a list of some of these : — 



Bamberg's Spherometer Microscope. 1888, p. 280. 



Czapski's Ear (Tympanum) Microscope. 1889, p. 112. 



Probable Limits to the Capacity of the Microscope. 1891, pp. 811-18. 



Use of Polarisation Photometers. ] 892, pp. 549-50. 



The Dioptric Condition for the Measurement of Optic Axial Angles by 



means of the Polarisation Microscope. 1892, p. 683. 

 Abbe's Method and Apparatus for the Determination of Focal Lengths. 



1892, pp. 678-82. 

 Eeview of Czapski's book on the Theory of Optical Instruments. 1893, 



p. 538. 

 Corneal Microscope — simple form. 1893, p. 688. 



later pattern. 1902, p. 481. 

 A New Drawing Apparatus. 1895, p. 103. 

 Illuminating Apparatus. 1895, p. 323. 



Czapski's Ocular Iris Diaphragm with Eye-piece. 1896, p. 120. 

 Greenough's Stereoscopic Microscope. 1898, p. 469. 



