40 HHNST 0STUUP 



Mastogloia Grevillei W. Sm. Cl. Syn. II, 14C>. V. II. Trl., Tab. II, 

 fig. (if). 



HornarfjonV (E.) St. 

 Area: Km*., Af., Am. 



:|: Mastogloia Smith! Thw. var. lacustris (irun. Cl. Syn. II, 152. V. II. 

 Trt., Tab. II, fig. (Jl. 



Ilrossholl (SAY.) A. F., in a hot spring. 

 Area: Eur., Spb. 



Monoraphidese 



Achnantheae Cl. 1895. Cl. Syn. II, 16,'}. 

 Rhoicosphenia Grim. 18(50. Cl. Syn. II, 1C.."). 



Rhoicosphenia curvata (Ktx.) Grun. Cl. Syn. II, K>5. V. H. Tit., 

 Tab. VII, iig. 31!). 



86 samples ;S. 39, S.W. 17. X.W.2, N. 1C.. E. 1 1 , s. 1. 1). Hot 

 springs: 9. 



Area: L'biquist, Grl., Spb., Fz. J. 



Cocconeis (Ehr. 1835) Grun. 18C>8. Cl. Syn. II, 108. 

 Subgenus Cocconeis Cl. 1895. Cl. Syn. II, 1()8. 



Cocconeis Placentula Ehr. Cl. Syn. II, 169. V. H. Trt., Tab. VIII, 

 fig. 341. 



120 samples (S. 44, S.W. 37, X.W. 1. X. 18, E. 25, s. 1. 1). Hot 

 springs: 7. 



Area: Ubiquist. 



Subgenus Encocconeis Cl. 1895. Cl. Syn. II, 173. 



Cocconeis flexella Ktx. Cl. Syn. II, 179. V. H. Trt., Tab. VIII, 

 fig. 322 (Achnanthidium (lex.). 



: 1 samples (S.I. S.W. 20, X. 5, K. 21, s. 1. 1 . Hot springs: 2. 

 Area: Eur., At'., As., Am. 



Var. intermedia 0st. 0st. D. Exp. 244, Tab. XIV, fig. 12. 

 Unai'.s E.'' II. .Is. 

 Area: Grl. 



Cocconeis minuta Cl. Cl. Syn. II, 179. Lgst. Spb., Tab. II, fig. 1(> 

 (C. Tlnvaitesi v. arctica). 



4 samples ^S. 1, S.W. 3). 

 Are:i: Em-.. Grl., Spb., Fs. J A 



