8 1 Kiese/algen des Balaton. 



XXVI. genus: Tryblionella W. Sm 1853. 



220. Tryblionella Hantaschiana Grün. 

 var. angtistata Pant. n. v. 



Valvis productis, 99 — 102 jt longis, 19 195 p latis, plicatis; striis transversis, 

 totam valvain percurrentibus, unilateraliter flexis et poris carinalibus, 6-7 in 10 /j. 

 Strandpfützen bei: Siöfok (tb. IX, fig. 247). 



221. Tryblionella salinarnm (Grün.) Pant. 

 Synon.: Nitzschia salinarnm Grün, in V. H.: Syn. tb. 57, fig. 18. 



Valvis parvis, elongatis, plicatis, cum polis subrostratis, 28 - 8 — 29 u longis, 



9 n latis ; striis transversis, valvam percurrentibus, unilateraliter inflexis et poris 

 carinalibus, 13 in 10 //. 



Seeschlamm bei: Balatonfüred, Siöfok (tb. IX, fig. 251). 



222. Tryblionella debilis Arnott 

 var. crassa Pant. n. v. 



Valvis parvulis, plicatis, crassis, lato cllipticis, cum polis subrostratis, 27 u 

 longis, 16"2 u latis; striis valvam percurrentibus, ad medium modice inflexis, 

 8 in 10 //. 



Seeschlamm bei: Siöfok (tb. IX, fig. 252). 



var. validior Pant. n. v. 



Valvis parvulis, crassis, 17 // longis, 9*9 a latis, bacilliformibus, cum polis 

 obtusis; striis 10 in 10 //, valvam percurrentibus, ad medium inflexis. 

 Strandpfützen bei: Siöfok (tb. IX, fig. 253). 



223. Tryblionella balatonis (Grün.) Pant. 



Synon.: Nitzschia balatonis Grün, in Cleve-Grun.: Arct. D. pg. 70; V. H.: Syn. 

 tb. 57, Üi*. 28; De Toni: Syll. pg. 500; Istvf : Balat. pg. 85. 



Valvis linearibus, oblongis, plicatis, 19 — 20 ft longis, 8 — 8*2 u latis; striis per- 

 currentibus, arcuatis, inflexis, 22 in 10 //. 



Seeschlamm bei: Siöfok (tb. IX, fig. 254). 



XXVII. genus: Zotheca Pant. nov. gen. 



Valvis plerumque cllipticis, porosis; poris in lineas transversas et perpendi- 

 culares, totam valvam, percurrentes, ordinatis. Carina prominens. — Huc pertinent: 

 Nitzschia navicularis, Nitzschia punctata, Nitzschia doljensis, Nitzschia coaretata et 

 Nitzschia granulata, quae species valde characteristicae ob characteres generales 

 a Tryblionella et a Nitzschia toto coclo diversae. 





