vi contents. 



Notes. page 



A. A. Merlin, F.E.M.S. The Tracheal Tubes of Insects, etc. . . 405 

 J. Rheinbeeg, F.E.M.S. The Imitation of Polarised Light Effects 



by Diffraction. (Illustrated) 407 



E. S. Salmon, F.L.S. The Life History of the Erysiphacees . . 411 



D. J. SCOURFIELD, F.R.M.S. Ashe's Camera Lucida. (Illustrated) . 413 



Reviews. 



Notices of B. D. Jackson's "A Glossary of Botanic Terms"; J. 

 Percival's "Agricultural Botany"; M. C. Cooke'S "One 

 Thousand Objects for the Microscope " ; K. Keer's " Hidden 

 Beauties of Nature" ; H. C. Shelley's "Chats about the Micro- 

 scope " ; B. Eyferth's " Einfachste Lebensformen des Tier- und 

 Pflanzenreiches " ; A. B. Lee's " Microtomist's Yade-Mecum " ; 

 and BoHM and Oppel'S "Taschenbuch der mikroskopischen 

 Technik" 417 



Proceedings, Etc. 



From March 16th to June 15th, 1900, inclusive 425 



Objects Exhibited, with Notes. March 2nd to July 6th, 1900 . . 437 



Obituary Notices 440 



Index to Yolume VII 441 



J 



