ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 973 



illuminator. The preparation silvered by Dr. A. Y. Moore's 

 process. 



A. Print from the original negative, 800 diara, 



B. Print from negative enlarged to about 2850 diam. 



C. Print magnified to 7000 diam., with Ross's Rapid Symmetrical, 

 without diaphragm, by oxyhydrogen light. 



(2) A. Lindheimeri Grun., medium of index 2*4, Zeiss's 1/18, 

 incandescent electric light nearly axial, full aperture of Powell and 

 Lealand's achromatic condenser. 



A. Print from original negative. 



B. An enlargement of the same. 



American Association f(ir the Advnncoment of Science. 



[Report of tlie Philadelphia Meeting (i^robable alwlition of the Section of 

 Histology and Microscopy).] 



Science Record, II. (1884) pp. 23.5-48. 



Amcr. Mon. Mia-. Journ.. V. (1884) pp. 17.5-6, 



181-3 (Address of Prof. Wormley, V.P.). 



Science, IV. (1884) pp. 342-3. 



j^licr. Bulletin, I. (1884) pp. 33-4, 46. 



The Microscope, IV. (1884) pp. 237-8. 



American Society of Microscopists. 



[Report of Rochester Meeting — Remarks of Dr. Dallinger.] 



Amer. Mon. Micr. Journ., V. (1884) pp. 161-73, 174-5. 



Microscope, IV. (1884) pp. 193-5, 204-5, 206, 208, 209, 210, 228-31, 



234-5 (under the headings " Tlie Great Liglits . of the 



Past; where are they?" and "What onr Friends say," "To 



See is to Believe,'' and " The Working Session "). 



Science Record, II. (1884) pp. 206-7, 248-9. 

 Micr. Bulletin, I. (1884) p. 41. 

 Atwood, F. — New Apparatus for Photo-micrography. [Posf.] 



Amer. Mon. Micr. Jovrn., V. (1884) p. 170. 



Bacsch, E. — Binocular Microscope. [Ante, p. 607.] 



Specification of U.S.A. Patent, No. 293,217, 12th February, 1884. 

 „ „ The Society Screw. [Post.'] 



Micr. Bulletin, I. (1884) p. 40. 

 Bertraxd, E. — Sur un nouvcau prismo polarisateur. (On a new Polarising 

 Prism.) [Supra, p. 965.] Comptcs Rendus, XCIX. (1884) pp. 538-40. 



Biological Laboratory at Health Exhibition. [Ante, p. 808.] 



Sci.-Gossip (1884) p. 233. 

 BLACKnAM, G. E. — Memoir of Robert B. ToUcs. 



Proc. 1th Ann. Meeting Amer. Soc. Micr., 1884, pp. 41-6. 

 Amcr. Mon. Micr. Journ., V. (1884) pp. 167-8. 

 The Microscope, IV. (1884) pp. 202-4. 

 Bbadbvrt, W. — The Achromatic Object-glass. XXXVI. 



Engl. Mech., XL. (1884) pp. 232-3. 

 Bbatlet, E. B. H. — The Bri.stol Microscopical Society. 



[In contradiction of the statement tliat there was no such Society.] 



Engl. Mech., XL. (1884) p. 239. 

 Cox, J. D. — Annual Address of the President to the Rochester Meeting of the 

 American Society of Microscopists. Robert B. ToUes and the Angular 

 Aperture question. [Supra, p. 970.] 



Proc. 1th Ann. Meeting Amer. Snc. Micr., 1884, pp. 5-39 (4 figs.). 



D., E. T.— Graphic MicroBCopy. X. Eggs of House-fly. XI. Sori of Fern : 



Maratti/i alala. Sci.-Gossip, 1884, pp. 217-8 (1 pi.), 241-2 (1 pi.). 



