— :-i48 — 



Si/n. : Difffuf/ia bacillifera Penard 1890 et 1002; D. pa- 

 ri for mis var. bacillifera Levander 1804, 

 20. I). BiNUCLEATA Pciiard. — Awerintzew, p. 211. 



Penard 1002. 

 30. D. xAioLESTA Penard. — Awerintzew, p. 211. 



Penard 1902. 

 81. D. URCEOLAïA Carter. — Awerintzew, p. 212. 



Carter 1864, Leidy 1879, Taranek 1881, Levander 1894, 

 Blochmann 1895, France 1897, Hempel 1898, Awerintzew 

 1901, West 1901, Penard 1902-06, ZykofflOOS. 

 Syn. : ?Difpugia glohulosa Blanc 1802. 

 o2'\ D. oLLiFORMis Lagerlieim. — Awerintzew, p. 213, note. 

 Lagerlieim 1001, Zacliarias 1003. 



32. D. oLLA Leidy. — Awerintzew, p. 213. 



Leidy 1874 et 1870 

 Syn. : Diffhtgia urceoJata (p.) Leidy 1870; D. urceolata 

 var. oUa (p.) Leidy 1870, Penard 1002; D. urceolata 

 var. cusj)i(lala. (p.) Taranek 1881. 



33. D. LEHES Penard. — Awerintzew, p. 21 1. 



Penard 1800 et 1002. 



Difffugia lebes var. eloagala Penard 1800 et 1002. 

 Syn. : Di/flagia urceolata Blanc 1802; H), globulosa 

 (p.) Blanc 1802; T). urceolata var. lebes Penard 1803. 



34. 1). coRONA Wallicli. — Awerintzew, p. 215. 



Wallicli 18(54, Leidy (p.) 1870, Penard 1800 et 1002, 

 Blochmann 1805, Hempel 1808, Scliandinn 1808, West 1001, 

 Zacliarias lOo:!. 

 Syii. : Di/pugia jtroteifoi'iais snbsp. gtobularis var. 



coj-ojaf Wallicli 18()4; D. acuminata var. furcata et 



var. duplicata Daday 1802. 



35. 1). frA(;rosa Hempel. — Awei'intzcw, p. 216. 



Hempel 1808, Penard 1002. 

 :)6. 1). coNSTRiCTA (Elii-enberg) Leidy. — Awerintzew, p. 216. 



Leidy (p.) 1870, Greett" 1888, Penard 1890 et 1002, Levan- 

 der 1804, Blochmann 1805, Frenzel 1897, France 1897. 

 Schaudinn 1898, Awerintzew 1001, Lagvrlieim 1001, West 

 1001, ZykofFl003. 

 Syn. ^ Arcella consiricla Ehrenberg 1841; Dif/Jugi 



j)latyslonia Penard 1800; I). nansupiforinis Vvwav 



1800, Lauerheim 1001. 



a 



