386 



INDEX. 



Proceedings from [cont. ) : 

 Mar. 11th, 1919, to June 



10th, 1919 ... 92 

 Oct. 14th, 1919, to June 



8th, 1920 . . .183 



Oct. 12th, 1920, to June 



14th, 1921 . . .249 



Oct. 11th, 1921, to June 



13th, 1922 . . .335 



Pseudomonas radicicola . 261 

 Psoroptes communis . .234 



— natalensis . . .232 



R 



Ray, John. Historia plant- 

 arum, . . . 197 



Refractive indices of oils. 



W. A. M. Smart . .274 



Rendle, A. B. Some cases 

 of adaptation among 

 plants ... 23 



— Seed-leaves or cotyledons 197 



— Plant nutrition and soil 



bacteria . . .262 



— An ivy-shoot from Flor- 



ence . , . 340 



— On the structure and de- 



velopment of pollen- 

 grains . . . 352 



Reticularia lycoperdon . 132 



Rheinberg, J. Scales and 



eye-piece micrometers 45 



Ring i' th' Mire bog, Des- 



mids of . . . 145 



Rocks and their microscopic 



structure. C. H. Caffyn 202 



— Igneous . . . 203 

 Rodman, G. H. Some floral 



and faunal remains of 



the coal measures . 187 



Roll of Honour . . .175 



Rotifera from Spitsbergen. 



D. Bryce . . . 305 



Rotifers as a leisure- time 



study. E. K. Maxwell 366 



— collected on excursions 375 



S 



Sandarac (gum jiiniper) in 

 microscopy. T. E. Wal- 

 lis . . . .13 



— Mounting in. W. M. 



Bale . . .344 



Saurom,atum, guttatum, A 



Himalayan Aroid . 41 



Scourfleld, D. J. Nanno- 

 plankton and its collec- 

 tion by means of the 

 centrifuge . . .191 



— Remarks on Cristatella 



mucedo . . . 355 



Screens for high-power work. 



E. M. Nelson . . 363 



— for visual work. J. H. 



Pledge ... 95 

 Sea- weeds. Preservation of 216 

 Shore collecting, A few days'. 



B. S. Cm-wen . . 253 

 Silverman illumination. S. 



C. Akehiirst. . .201 

 Smart, W. A. M. The refrac- 

 tive indices of oils \ised 



in medicine . . 274 



Soar, C. D. Hydracarina : 



The genus Oxus . . 29 



— and Williamson, W. Hy- 



dracarina : The genus 

 Eylais Latr. . . 107 



— Microscopical drawing . 272 



— A species of Hydracar- 



ina found at Bear Is- 

 land, June 17th, 1921 . 301 

 Sorby, H. C. (1850), and 



rock sections . . 202 



Sperchon lineatus . .301 



Spirotaenia fusiformis . 147 



Spitsbergen : Hydracarina . 301 



— Mosses . . .310 



— Rotifera . . .315 



— Tardigrada . . .331 

 Spitta, E. J. Elected an 



Honorary Member . 255 

 Stemonitis, Surface-nets of 11 



Stem.omtis ferruginea . . 133 



— fusca .... 133 



V. confluens . .134 



Stringer, E. B. The Ediswan 



" Fullolite " . .346 



Sundew-leaf, Tentacles of . 52 

 Sundews of Australia . 25 



Swanton, T. A drag with 



safety- device . . 366 



T 



Taeniorhyncus Richardii . 347 



Tardigrada from Spitsber- 

 gen ... 331 



Thoria disks for illumina- 

 tion .... 4 



Tierney, C. On a portable 



microscope lamp. . 263 



