— -Mh — 



3. D. TUBERCULATA (Wallicli) Aworiiitzew. — Awerintzew, 



p. 182. Awerintzew 1001, Ponard 1902. 

 Syn. : Difffugiaproteifor-mis9.\\hi^])Qc. glohuJar/s var. 

 tiiberculata Wallich 1804; Difflugia hoinbai/ensis 

 Carter; Difflugia lobostoma (}>.) Lcidy 1870, Vorworn 

 1800; DiffJiKjiii 1ohosto)na vai-. tiibercuJata Minke- 

 wicz 1000. 



4. D. LiTiiOPLiTES Penard. — Aw(3rin(zew, p. 183. 



Penard 1002. 

 Syn. : Difflugia corona Archer, ? Leidv 1870. 



5. D. AMPHORA Leidy. — Awerintzew, p. 184. 



Leidy, 1874, ?'Penard 1800 et 1002, Lagerlieim 1891. 

 Syn. : Di/ffugia urceolata var. amphora Leidy 1870, 



Zykofï" 1003; Di/JIngia acuminata var. mnphora 



West 1001 et 1903. 

 (3. D. LiMNETiCA (Levandor) Penard. ^ Awerintzew, \). 185, 



Penard 1902. 

 Syn. : Difflugia lohnstoiiai var. liai nef ica Levander 



1000, Lagerlieim 1001, Zykoft" 1003; Difflugia lobo- 



.slo/ja/ vàv. jj/anclonica f. ///>^;/e//6Yir MinkeAvicz 1000. 



7. D. GRAMEN Penard. — Awerintz(n\-, p. 18(). 



Penard 1002. 

 Sy}i. : Difflugia hibosliMua [y.) Li'idy 1870; ? Difflugia 

 tricu.sjiis (p.) Carter 1850. 



8. D. LôBosTOiMA Leidy. — Awerintzew, }). 180. 



Leidy 1870 (p.),'Taranek 1881, Penard 1800 et 1002, Le- 

 vander 1804, Hempel 1808, Scliaudinn 1808, Awci'intzew 

 1001, Lagerlieim 1001, West 1001. 

 0. ?D. LUCIDA Penard. — Awerintzew, p. 187. 

 Penard 1800 et lOO;!. 



10. D. BiDENS Penard. — Awerintzew, p. 188. 



Penard 1002. 



11. D. SoLuwEïZKii Meresciikovsky. — Awerintzew, p, 180. 



Meresclikovsky 1878, Levander 1804, Awerintzew 1001, 



Lagerlieim 1001, West 1003. 



Syn. : Di/fîugia acuminata (p.) Leidy 1870; D. urceo- 

 lata var. otla (p.) Leidy 1870; ? D. bacillariaruni Perty 

 1852; D. e/egans Penard 1800-1002-lOOG; D. bicomis 

 Penard 180o'; ?D. baciUiferu var. /■//yf^/Zr/ Penard 1800; 

 D. bicuspidata (p.) Rlmmblei- 1801; D. acuminata 

 var. elegans West 1901. 



