33G SUMMARY OF CURRENT RESEARCHES RELATING TO 



Cox, J. D. — Photography with High Powers by Lamplight: illustrating structure 

 of (liiitoiiis. 



[Nearly the same as Vol. IV. (1884) pp. 853-8.] 



Proc. Amer. Soc. Micr., 7th Ann. Meeting, 1884, pp. 99-104 

 (2 pis. of photo-micrographs). 

 D. E. T. — Graphic Microscopy. (See in future under Microscopy /3.) 

 DipPEL, L. — Einigo ncue IMikroskop-formen. (Some now forms of Microscopes.) 

 (Describes stands by Zeiss, Leitz, Seibert, Hartnack, Schieck, Reichert, 

 Wachter, Wiukcl, and Geneva Co.) \_Post.'] 



Zeitschr. f. Wiss. Mikr., II. (1885) pp. 37-40 (1 fig.). 

 EraiEKGEM, E. van. — See Heurck, H. van. 

 Fell, G. E. — See Micrometer. 



Francotte, p. — Description d'iustruments construits par M. Reichert de Vienne. 

 (Description of instruments constructed by Herr Reichert of Vienna.) 



[Stands, cf. Vol. IV. (1884) p. 438, and supra, p.302. Microtomes, see infra. 

 Microscopy ;8.] 



Bull. Soc. Belg. Micr., XI. (1885) pp. 102-7 (4 pis.). 

 „ „ Expose' succinct de la The'orie de la formation des images 



microscopiques, d'apres Abbe. (Succinct account of the Abbe theory of the 

 formation of microscopic images.) 



Bull. Soc. Belg. Micr., XI. (1885) pp. 108-27 (1 pi). 

 Frey, Dr. J., death of. The Microscope, V. (1885) p. 24. 



Friedeich, K. — Instrument zum Messen und Theilen von Linien. (Instrument 

 for measuring and dividing lines.) 



Title only of German Patent, 1885, Kl. 42, No. 2056. 

 " Gamjia Sigma." — Conical Illumination for Opaque Objects. 



[Pointing out the absurdity of " Prismatique's " suggested illuminator, 

 infra.^ 



Engl. Mech., XL. (1885) p. 560. 

 Griffith, E. H. — The Griffith Nose-piece. 

 [Cf. Vol. IV. (1884) p. 801.] 



Proc. Amer. Soc. Micr., 7th Ann. Meeting, 1884, p. 170 (1 fig.). 

 The Griffith Eye-piece. 

 [Cf. Vol. IV. (1884) p. 443.] 



Ibid., p. 170 (1 fig.). 

 GiNDLACH, E. — An improvement in Objectives. IPost,'] Ibid., pp. 148-52. 



Hakdy, J. D. — Lantern Illustrations. 



[Reply to query, and referring to his direct vision camera enlarged so as to 

 show images fairly well up to 2 ft. (The camera is an oblong box, 20 in. x 

 10 in., -with a hole at one end to admit the tube of the Microscope 

 shortened to 2 in. At the other end is a sheet of plate glass, with tissue 

 or oiled paper to receive the image.)] 



Sci.-Gossip, 1885, p. 43. 

 HErRCK, H. VAN. — Note sur la photographic des perles de Y Amp)hipleura pellrjKida. 

 (Note on a photograph of the " beads " of A. pellucida.) 



[In part similar to his note a7ite, p. 173, with reply to E. van Ermengem 

 ante, p. 140. Also rejoinder by E. van Ermengem] 



Bull. Soc. Belj. Micr., XI. (1885) pp. 86-92. 



„ „ Le Microscope depuis 1878. (The Microscope since 1878.) 



I. Montures. Objectifs. 



Moniteur da Praticien, I. (1885) Bull, de la Microgr., pp. 14-6. 

 [Hitchcock, R.] — The New York Microscopical Society. 



[Comments on their proposed publication of a monthly journal.] 



Amer. Mon. Micr. Journ., VI. (1885) pp. 17-8. 

 „ „ Science True and False. 



[Complaint that microscopical literature in America has of late abounded 

 in insulting personalities ; and quotatioiT of remarks by Prof. E. L. 

 Youmans on the spirit of pure science.] 



PAd., pp. 18-9. 



