164 



INDEX. 



(Nebela) nuinata Lindy . 91 

 (Nebela) sphagni Leidy 143 

 numata Leidy . 94 



oblonga Ehrenb. . 4 



var. claviformis (Pen- 

 ard) Cash . 11 



PAGE 



Difflugia oblonga var. lacustris 



(Penard) Cash . 12 

 var. venusta (Penard) 

 Cash 10 

 oblonga Eresen. . . .44 

 oblongata Butler . 7 

 orbicularis Cash . 38 

 oviformis Cash 52 

 Penardi Hoph. 14 

 petricola Cash 18 

 piriformis Eorel . 6 

 var. lacustris Penard 12 

 platystoma Penard . 56 

 pristis Penard 18 

 ? proteiformis Ehrenb. . 14 

 sub-sp. globularis Wal- 

 lich 33 

 var. corona Wallich 49 

 var. tuberculata'Wal- 

 lich . 159 

 sub-sp. inarsupiformis 



Wallich . 55 

 var. cassis Wallich 55 

 sub-sp. mitriformis var. 

 lageniformis Wal- 

 lich . . 41 

 var. spiralis Wallich 67 

 monstrosa Pei-ty 70 

 var. sepii/era Wallich 67 

 var. symmetrica Wal- 

 lich . 129 

 .'' proteiformis Perty . 100 

 proteiformis Wallich 67 

 ? pulex Penard 46 

 pyriforinis Leidy 



11, 14, 17, 31, 59 



var. bacillifera Levand. 17 



var. claviformis Penard 11 



var. lacustris Penard . 12 



var. s?/TO»(.ein'ca Wallich 129 



var. vas Leidy . . 59 

 sub - var. bigibhosa 



Penai'd . . 62 



