ZOOLOaY AND BOTANY^ MICROSCOPY, ETC. 339 



KoYSTON-PiGOTT, G. W. — Amphipleura pellucida and diffraction. I. 



[Eeply to P. A. Phillips, supra. Also the following, " With proper precau- 

 tious the limit of angular vision or linear diameter in my experience lies 

 beyond the 1/1,000,000 in. with the best glasses and finest manipulation."] 



Ibid., XLI. (1885) pp. 35-6. 

 Sachs' (J.) Heating apparatus. \_Post.'] Micr. Bulletin, II. (1885j p. 6, 



from ' Sachs' Text-book of Botany,' p. 658. 

 ScHTJLTZE, B. A. — Electrical Illumination in Microscopy : Experiments and 

 Views of Dr. H. van Heurck and T. Stein. 

 [Principally an abstract of Dr. Stein's paper, supra, p. 303.] 



Journ. New York Micr. Soc, 1. (1885) pp. 1-6 (4 figs.), 

 and cf. also pp. 19-20, 22-4. 

 Sexton, L. E., Obituary of. 



Proc. Amer. Soc. Micr., 7th Ann. Meeting, 1884, pp. 251-3. 

 Short V. Long Body-tubes. 



[Further discussion by B.Sc. (better results with a 7 in. or 8 in. than 10 in.), 

 M.Q.M.C. (refers to paper on "Optical tube-length," Vol. III. (1883) 

 p. 816), and Invicta.] Engl. Mech., XL. (1885) p. 457. 



S0T3THALL, G. — Photo-micrography. 



[As to the wide differences between the natural and artificial representations 

 of the same object.] Knowledge, VII. (1885) p. 181. 



St. Clair, E. W. — A new Electric Lamp. 



[Incandescence lamp ; battery with 6 cells and holding 5 oz. of fluid. It has 

 been in use for more than a year. The President referred to it as " the 

 best for brilliancy yet brought before the Society."] 



Journ. New York Micr. Soc, I. (1885) p. 42. 

 Steam's (C. H.) Electric Lights for the Microscope. 



[Brief description, with illustrations, of apparatus described Vol. III. 

 (1883) p. 29. Also reference to Stein's, supra, p. 303.] 



Science, V. (1885) p. 142 (3 figs.), from ' Science et Nature.' 

 Steinheil, a. — Zur Orientirung iiber Objektive auszwei Linsen und ihre Fehler. 

 (On the orientation of Objectives of two lenses and their aberrations). 



[Telescope Objectives.] Centr.-Ztg. f. Optik u. Mech., VI. (1885) pp. 37-40. 

 Tolles, E. B., Portrait of. 



Proc. Amer. Soc. Micr., 7th Annual Meeting, 1884, Frontispiece. 

 VoKCE, C. M. — Photographic Methods. 



[I. Formulas for printing solutions (Blue prints. Black prints. Cheap 

 proof solution). 11. Compound negatives, supra, p. 331 .] 



Amer. Mon. Micr. Journ., VI. (1885) pp. 13-4. 

 "Waed, E. H. — The Iris Illuminator. [_Supra, p. 326.] 



Proc. Amer. Soc. Micr., 7th Annual Meeting, 1884. pp. 160-1 (1 fig.). 

 Amer. Mon. Micr. Journ., VI. (1885) pp. 14-5 (1 fig.). 

 „ „ New Lens-holder. [_Supra, p. 317.] 



Proc. Amer. Soc. Micr., 7th Annual Meeting, 1884, pp. 162-4 (1 fig.). 

 The Microscope, V. (1885) pp. 32-4 (1 fig,). 

 Weisiger, "W. E., Obituary of. 



Proc. Amer. Soc. Micr., 7th Annual Meeting, 1884, pp. 250-1. 

 Westien, H. — Mittheilungen aus dem physiologischen Institute der Universitat 

 Eostock i. M. 7. Die Patent-Anschlussklemme und ihre Anwendung. (The 

 Patent Junction Clamp and its use.) \_Siipra, p. 316.] 



Zeitschr. f. Instrumentenk., V. (1885) pp. 18-9 (3 figs.). 

 "Whitney, J. E. — A cheap and efficient Life-box. [_Supra, p. 380.] 



Proc. Amer. Soc. Micr., 7th Ann. Meeting, 1884, p. 215. 

 Woodward, J. J., Obituary of. 



Proc, Amer. Soc. Micr., 7th Ann. Meeting, 1884, pp. 253-7. 



z 2 



