INVEKTEBKATAj CKYPTOGAMIA, MICROSCOPY, ETC. 907 



Cbtjs, R. — Economic Objectives — " To A. J. S." — and other Micro items. 1 fig. 



Enijl. Mech., XXXI., pp. 545-6. 

 Curtis, L. — Tiie Microscopical Examination of Signatures. 



Am. Mm. Alter. Journ., I., pp. 124-9. 

 DuBY, J. E. — See Hampe, E. 

 Edmtjnds, J. — See Can, E. 



" Fellow of the E. Micr. Soc." — [Photograph of FrustuJia saxonica, by Mr. S. 

 Wells of Boston, U.S.A. 1 fig. ; Powell and Lealand's newest formula ^ Water- 

 iinmersion ; Inexpensive Microscopes, &c.] iVy/. Mech., XXXI., pp. 468-9. 



„ „ [Powell and Lealand's newest formula 



I Water-immersion Objective ; Front Lenses greater than Hemispheres ; the 

 Abbe-Zeiss Homogeneous-immersion i of specially high aperture ; Homogeneous 

 Immersion; Micro-photography; 80,000 Diameters and American Microscopy.] 



Engl. Mech., XXXI., pp. 517-18. 

 „ „ [Ross's improved Microscope; Swinging Sub- 



stage to Microscope in 1873 by Bulloch of Chicago, U.S.A.; Bulloch's new 

 Microscope; the 10-inch Microscope-body ; Abbe's Apertometer Tables. 1 fig.] 



Eyigl. Mech., XXXI., pp. 567-8. 

 „ „ [Bulloch's new Microscope, 1 fig.; Fine-focuss- 



ing Adjustments ; Powell and Lealand's new formula Homogeneous-immersion 

 -jL- ; Abbe's Dechromatizing Device for High-angled Objectives ; Homogeneous- 

 immersions with or without Correction- screw.] Engl. Mech., XXXI., pp. 617-18. 

 „ „ [Powell and Lealand's new -jij Oil-immersion; 



Illumination of Opaque Objects ; Prodigious Magnifications in America ; Achro- 

 matic Condensers.] Engl. Mech., XXXII., p. 84. 

 Feknald, C. H. — Method of preparing and mounting Wings of Micro-lepido- 

 ptera. Am. Mon. Micr. Journ., I., pp. 172-3. 

 " Four Inch." — Twenty thousand diameters. Am. Journ. Micr., V., p. 160. 

 Frazer, p., jun. — A Mirror for Illuminating Opaque Objects for the Projecting 

 Microscope. 1 fig. Froc. Amc'r. Fhil. Soc. Philx., XVIIL, pp. 503-4. 

 Gage, S. H. — Permanent Microscopic Preparations of Plasmodium. 



Am. Mon. Micr. Journ., I., pp. 173-4. 

 Goldstein, J, E. Y. — On the Use of Carbolic Acid in mounting Microscopic 

 Objects. Journ. Micr. Soc. Vict., I., pp. 50-3. 



Houies, S. — Thelsophotal Binocular Microscope, 11 figs. 



Engl. Mech., XXXI., pp. 464-5, 546. 

 Hull, H. V. — Glass for Slides. Am. Mon. Micr. Journ., I., pp. 138-9. 



Kaiser, E. — C. Giinther's Photographs of Pleurosigma angulutum. 



Bot. Centralbl., I., pp. 683-4. 

 „ „ On some new Improvements in the Microscope-stand. 2 figs. 



Bot. Centralbl., I., pp. 72^8-34. 

 KiTTON, F. — " Dry Mounts " for the Microscope. 



Engl. Mech., XXXI., pp. 582-3. 

 Lens-making. 10 figs. [From the ' Scientific American.'] 



Engl. Mech., XXXI., pp. 513-14. 



LooMis, B. W. — A simple and speedy Method of Staining Animal and 



Vegetable Sections. Am. Mon. Micr. Journ,, I., p. 143. 



Malassez, L. — On the most recent Improvements in the Methods and 



Apparatus for counting Blood-globules, and on a new Counter. 5 figs. 



Arch, de I'hysiol., 1880, pp. 377-419. 

 Martin, A.— On a Method of direct Autocollimation of Objectives and its 

 Application to the Measurement of the Indices of Refraction of the Glasses which 

 compose them. • Comptes Bendus, XCI., pp. 219-21. 



' Microscopist's Annual for 1879.' No. 1, containing List of Microscopical 

 Socit-ties in the United States, Directory of all tlio Dealers and Manufacturers in 

 the World, Tables, Rules, Formula;, &c., useful to Microscopiats. 48 pi). (12mo 

 New York, 1880.) 



MoNTUiNY, C. — Note on the Difference in the Appreciation of the apparent 

 Size of Microscopic Images by different observers. 



J!»ll. Acid. li. Set. Belg., XLIX.. pp. G70-8. 

 Moore, A. Y. — Higher Magnifying Powers. Am. Journ. Micr., V., pp. 174-5. 

 " Orderic Vital." — The Achromatic Object-glass. Engl. Mech., XXXL, j). 476. 



