ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 565 



Lancasteb, W. J. — See Sturt, T. J. 



Landsberg, C. — Ueber den Antheil der Provinz Hannover an der Entwick- 

 lung der Feinmechanik. (On the Share of the Province of Hanover in the 

 Development of Fine Mechanical Work.) 



[The pages noted contain a correction of Harting's statement in ' Das 

 Mikroskop,' that S. G. Hoffmann (who made Microscopes in the second 

 half of the 18th century) was a Hanoverian — he in fact lived in 

 Leipzig.] 



Central-Ztg. f. Optik u. Mech., III. (1882) pp. 159-60 (foot-note). 

 Lossner, O. M. — Telemikroskop (Telemicroscope). 



[Abstract of Patent — see ante, p. 424 and supra, p. 547.] 



Centr.-Ztg. f. Opt. u. Mech., III. (1882) p. 108. 

 Lovett, E. — Dark-ground Illumination. 



[Incorrect heading — relates to white or porcelain backgrounds and slips 

 of glass to be put under the slide, either of pale blue (for modifying the 

 light), opal porcelain or china (for viewing dark objects as opaque, such 

 as seeds), dull varnished ou one side (for most opaque objects), or 

 ground glass (for Foraminifera) .] 



Jouni. Post. Micr. Soc, I. (1882) pp. 94-5. 

 Ltjtz, E. — Microscope scolaire (School Microscope). 

 [Designed by Professor Guillemare, post.'] 



Journ. de Microgr., VI. (1882) pp. 233-5 (1 fig.). 

 See also Rev. Mycologique, IV. (1S82) p. 199. 

 M'Allister's (T. H.) Protector for Objectives. 

 [Copy of the Richards' Protector.] 



Amer. Natural., XVI. (1882) p. 618 (2 figs.). 

 Merz, S. — Ueber Dispersions-Verhaltnisse optischer Glaser. (On the Dis- 

 persion Relations of Optical Glass.) 



[Discussion of the best combinations of flint and crown glass to remove 

 the secondary spectrum.] 



Zeitschr.f. Instrumentenk., II. (1882) pp. 176-80. 



Microscope by Culpepper and Scarlet, formerly in the possession of Sir A. 



Lever, exhibited and briefly described at meeting of Manchester Microscopical 



Society. North. Microscopist, H. (1882) p. 189. 



Moore, A. Y. — Something about Objectives. [Post.'] 



The Microscope, II. (1882) pp. 8-11. 

 Moss, J. M.— See Wenham, infra. 

 Mounting Micro. Lens. 



[Directions by W. J. Lancaster. See also ante, p. 424.] 



Engl. Mech., XXXV. (1882) p. 335. 

 Munro, J. M. H. — Battery power for Swan Lamps. 



[40 Grove cells were found to be necessary for 3 Swan lamps of 25 to 50 

 candle power — 8 to 10 cells will probably be sufficient for lamps of 

 5 candle power.] 



North. Microscopist, II. (1882) pp. 150-1, from The Mechanical World. 

 Nelson, E. M. — See Wenham, infra. 

 ,. „ Tuberculosis. 



[Contains reference to a J T -inch oil-immersion objective 1 - 38 N.A. " speci- 

 ally constructed for me by Powell and Lealand for the purpose of 

 investigating micro-organisms, and may fairly rank as the greatest 

 achievement in the science of microscopical optics " — also to a fine 

 adjustment to the substage of the Microscope which "will be found 

 most useful by those engaged in observations with wide-angkd high 

 powers.'] 



Engl. Mech., XXXV. (1882) p. 37S (2 figs.). 

 Ollard, J. A. — See Hickin. 

 „ „ Tadpole Slides. 



[Description of Schultze's, ante, p. 110, and of the following. " Form a 

 groove or cell on an ordinary slip of glass with folded blotting-paper 



