ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 405 



When dry this is easily written on with ink, and the record may be 

 permanently preserved by means of another coat of balsam. 



Writing on Glass.* — Herr P. Noll remarks that for a long time he 

 has used the edge of ground-glass stoppers for writing notes relative to 

 the contents of the bottle. The notices are easily made with a lead 

 pencil, and readily removed with a dump cloth when required. Recently 

 he lias had laboratory vessels ground near the top so that notes can be 

 written thereon. This has been found a great convenience, while the 

 increased cost is quite trivial. 



Friedlaender, C. — Mikroskopische Technikzum Gebrauch bei medicinischen unc. 

 pathologiscb.-anatomiscb.en TJntersuchungen. (Microscopical Technique for use 

 in Medical, Pathological, and Anatomical Investigations.) Sixth edition, by 

 C. J. Eberth. Berlin (Fischer), 1900, 8vo, 359 pp. and 86 figs. 



Szymonowicz, L. — Lehrbuch der Histologic und der mikroskopischen Anatomie, 

 mit besondeier Berucksichtigung des menschlichen Kdrpers, einschliesslich der 

 mikroskopischen Teehnik. (Handbook of Histology and of Microscopical 

 Anatomy, with especial reference to the human body, including Microscopital 

 Technique.) Parts 1 and 2. Wurzburg (Stuber), 1899. 



* Flora, lxxxvi. (1S99) p. 384. 



