294 



INDEX. 



Silica Films and the Structure of 

 Diatoms. By Mr. G. W. Mobehouse, 



38. 



Slide, a New Microscopic. By M. 

 Ekn'est Vanden Broeck, 221. 



Sjuth, WoKTHrs-GTON G., F.L.S., Ke- 

 production in the Mushroom Tribe, 6. 



Snakes, the Development and Succes- 

 sion of the Poison-fangs of, 229. 



Sou-e'e, the President of the Royal 

 Microscopical Society's, 285. 



SOBBY, H. C, F.K.S., &c., the Presi- 

 dent's Address, 105. 



Spongida, Difficulties of Classification 

 of the, 238. 



Stage, an American Adjustable Con- 

 centric, for the Microscope, 150. 



Stiles, M. H., on Staining and Mount- 

 ing Wood Sections, 133. 



Stoduer, Charles, U.S.A., Remarks 

 on Frustulia Saxonica, Navicula 

 rhomboides, and Navicula crassi- 

 nervis, 265. 



T. 



Tissues, New Colouring Agents in the 

 Examination of the, 196. 



the Action of certain Colouring 



Matters on the, 149. 



Tomes, Mr. Charles, on the Develop- 

 ment and Succession of the Poison- 

 fangs of Snakes, 229. 



Tiu-n-table, an Improved Form of Cox's, 

 94. 



U. 



Utricle, the Primordial, 146. 



V. 



Volvox, the Rotifer within the, 23G. 



W. 



Wenham, F. H., on the Aperture of 



Object-glasses, 184. 

 Whittell, Dr., on a Mode of viewing 



the Seconds' Hand of a Watch through 



the Eye of a Beetle, 1315. 

 WlLLEMoES-SUHM, Dr. vou, ou tlie 



Development of Lepas fascicularis 



and the " Archizoea " of Cirripedia, 



137. 

 WooDWAED, Dr. J. J., Note on the 



Markings of Navicula rhomboides, 



209. 

 on the Markings of the Body- 

 scale of the English Gnat and the 



American Mosquito, 253. 



Zeiss' Vg^th Immersion, on. 

 HiCKiE, M.A., 185. 



By W. J. 



END OF VOLUME XV. 



LONDON: I-JUMIEU UV WM. CLOWKS AMD SOMS, SIAUfOHD STKEtl AKD CUAIUNU CEObb. 



