ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 181 



Klemext and Rbnakd. — Reactions Microchimiques basees sur la formation 

 de cristaux et leur application a 1" analyse qualitative. (JMicio-cbemical re- 

 actions based on the formalion of crystals and their applicatiua to qualitative 

 analysis.) 



[Ke'siime of paper to appear in the ' Annales.'j 



Bull. Sec. Bell. Micr., XII. (18S5) pp. 11-16, 32-5. 

 Keatse, W. — Untersuclmngsmetlioden. (Investigation methods.) 



[For preserving and isolating the retinal elements, a 10 per cent, aqueous 

 solution of chloral hydrate is recommended. It is superior in many 

 respects to osmic acid.] 



Internat. Monatsschr. f. Anat. u. HistoL, I. (1884) pp. 152-7. 



Kt'KENTHAL, W. — ^Vereinfacliimg der Farbetechnik. (Simplification of Staining 



Tecbnique.) \_Post.'] Zool. Anzeig., ix (1886) pp. 23-5. 



La CROIX, A. — Examen optique de quelques mineraux pen connus. (Optical 



examination of some little known minerals.) 



["The study by the Microscope with parallel and convergent light, of tliiu 

 plates of minerals, gives at the present day to their determination a 

 degree of certainty which was wanting when it was not possible to verity 

 the pui'ityof the substances submitted to analysis," — followed bydescri])- 

 tions of Kirwanite and four other minerals.] 



Comptes Jicndus, CI. (1885) pp. 1164-6. 

 L A T H A M, V. A. — The Microscope and how to use it. 

 [V. Double-staining, &c.] 



Jouni, of Micr.,\. (1886) pp. 36-43. 

 LKBorcQ, H. — XTn mot sur la Technique des coupes en series. (A word on the 

 technique of series sections.) [^Supra, p. 169.] 



Ann. Soc. Med. Gand, 1884, pp. 167-8. 



Lepixat, Mace de. — Methode optique pour la mesxire absolue des petites 



longueurs. (Optical method for the absolute measurement of minute lengths.) 



Comptes Eendus, C. (1885) pp. 1377-9. 

 Long. — Test for Beeswax. 



[A few drops of solution in chloroform shows in half an hour characteristic 

 dumbbell crystals, the balls of which consist of curved crystal bundles 

 instead of solid masses.] 



St. Louis National Druggist, VII. (1885) p. 293, from Chem. Ztg, 

 LowNE, B. T. — Method of Examining the Eeflex in the Compound Eye of 

 Insects. \_Post.'] 



Amer. Natural, XX. (1866) pp. 90-1, from Tra:i.s. Linn. Soc. Land. 

 Malassez, L. — Microtome de Eoy perfectionne. (Improved Koy Microtome.) 

 [_Supra, p. 166.] 

 Travaux Laborat. d'Histol. du. College de France, 1884 (1885) pp. 191-206 (3 fig.s.) 

 Malassez, L., and W. Vignal — Sur le Micro-organisme de la Tuberculose 

 Zooglfleique. (On the Micro-organism of Zoogloeic Tuberculosis.) 

 [Methods, post.'] 



Lbid., pp. 18-42 (2 pis.) 

 Meyek, a. — Mikrochemische Eeaction zur Nachweis der reducirenden Zucker- 

 arten. (Microchemical Reaction for demonstrating the reducing kinds of 

 sugar.) IPost.] Ber. Deutsch. Bot. Gesell., III. (1885) p. 332. 



MoELLER, J.— Mikroskopie der Nahrungs- und Genussmittel aus dem Pflanzen- 

 reiche. (Microscopy of the nourishing and useful substances of the vegetable 

 kingdom.) 



[Introduction, pp. 1-24 (Preparation, Reagents, Measuring, Drawing.)] 



vi. and 394 pp., 308 figs, (8vo, Berlin, 1886). 

 Mounting Microscopic Objects. 



[Staining Wood Sections. (Carmine or logwood, but better double staine I. 

 To fix the anilin stain, tannic acid is useful.) Orange Peel. (Gum 

 method is preferable. After drying between glass slips, soak in turpentine 

 and mount in balsam.) Sponge. (Cut between pieces of cork, or immerse 

 in paraffin or mucilage.)] 



The .Microscope. V. (1885) pp. 238-9. 



