541 



INDEX. 



PAGE 



Algae collected in 1911. Jas. 



Burton .... 435 

 Amician Test. E. M. Nelson 217 

 Annual Report for 1909 . 47 



1910 . . . .236 



1911 . . . .468 



Anuraeopsis naviculasp. nov. 161 

 Aplanatic spot-lens, An 



E. M. Nelson . .514 



Asclepiads, Pollination of . 39 



B 



Banfield, A. C. Note on a 

 sliding nose-piece for use 

 in stereo - photomicro - 

 graphy . . .121 



Bdelloidrotifera, A new classi- 

 fication of. D. Bryce 61 

 Biddulphia,"Pseudopodia"of 516 

 Botrydium granulatuvi. Jas. 



Biu-ton . . .209 



Brachionus havanaensis sp. 



nov. . . . .163 



Brachionus satanicus sp. nov. 162 

 Brachionus spatiosus sp. nov. 373 

 "Breaking of the Meres." 



James Burton . .115 



Brown, N. E. Some notes 

 on seeds as microscopic 

 objects . . .307 



Rhabdonema minutum . 517 

 Bryce, David. On a new 



classification of the 

 Bdelloid Rotifera . .61 



On three new species of 



Callidina . . .365 



Burton, James. A note on 

 two instances of " Break- 

 ing of the Meres " .115 



Note on Botrydium granu- 



latum . . . .209 



Notes on Algae collected in 



1911 . . . . 435 



C 



PAGE 



Cabinet, Additions to the Club 521 

 Callidina, New species of 



David Bryce . . 365 



Callidina concinna sp. nov. 368 

 Callidina decora sp. nov. . 369 

 Callidina nana sp. nov. . 367 



Cassidulina, New species of 



H. Sidebottom . . 105 



Cassidulina decorata sp. nov. 107 

 Cassidulina elegans sp. nov. . 106 

 Cathy pna brachydactyla . 372 



Centrifuge in pond- life work. 



D. J. Scourfield . . 243 



Chlamydozoa . . 169, 349 



Choanofiagellata. J. S. Dun- 



kerly . . . . 19 



Chromatic condenser. An im- 

 proved. E, M. Nelson. 511 

 Chromatin .... 346 

 Collembola (Spring-tails). J. 



W. Shoebotham . . 452 



Conrady, A. E. Resolution 

 with dark-groimd illu- 

 mination . . .475 

 Coscinodiscus, " Pseudopo- 



dia" of . . . 516 



Coscinodiscus asteromphalus . 441 

 Critical illumination in visual 

 work with the microscope. 

 D. J. Reid . . .487 



Cysticercus-stage of a tape- 

 worm from rat -flea. E. 

 A. Minchin . . .34 



D 



Dark - ground illumination. 



E. M. Nelson . . 203 

 and the spectrum 



theory. . -iS"* ^01 

 Resolution with A. E. 



Conrady . ^^75 



