188 ALPHABETICAL LIST OF 



Page. 



Arcella aculeata . . . . . . .113 



dentata . . . . . . .113 



vulgaris . 113 



Arthrodesmus convergens (Drop I. fig. 6) . . 65 



incus ....... 65 



Astasia hsematodes (Drop II. fig. 9) . . . 104 



nivalis . . . . . 105 



pusilla ....... 105 



Bacillaria cuneata (Drop I. fig. 18) . . . 75 



paradoxa ... ... 74 



- vulgaris (Drop I. fig. 17) . . . 74 



Bacterium ...... 103 



Bracliionis militaris . . 176 



polyacanthus . . . . . 176 



rubens ... . . 177 



urceolaris . . . . . . .176 



Bursaria truncatella (Drop III. fig. 7) . . . 132 



Callidina elegans . . . . . .161 



Carchesium polypinum (Drop III. fig. 3) . . 126 



Chsetonotus larus . . . . .143 



Chlamidomonas pulvisculus . . . . . 99 



Closterium acerosum (Drop I. fig. 8) . 67 

 Diana? (Drop I. fig. 9) . 68 



