96 Kieselalgen des Balaton. 



var. ntaxima Grux. 

 Grun.: Abh. 1862, pg. 459, tb. 7, fig. 10. 



Valvis ovatis, 828 ft longis, 492 u latis, ad polum superiorem attenuatis, 

 obtusis, ad polum inferiorem late rotundatis; costis abbreviatis, 4 — 5 in 10 //, vali- 

 dis arcuatis; spatiis intercostalibus striolatis; striis 13 in 10 // transversis, usque ad 

 pM-udorhaphem percurrentibus. Valvis cum Corona punctorum marginalium et plica 

 ovata, interna distinctis; punctis marginalibus, 20 in 10 //. 



Seeschlamm aus dem Fertö bei: Xezsider (tb. XIV, fig. 313). 



263. Surirella signata Paxt. n. s. 



Valvis ovatis, 42 // longis, 24 // latis, cum polo superiori attenuato, obtuso, 

 inferiori late rotundato; cum Corona striolarum previum marginali et altera interna, 

 costis arcuatis, 5 in 10 //, abbreviatis; spatiis intercostalibus striolatis; striis 13 in 

 10 //, transversis, usque ad pseudorhaphem distinctam percurrentibus. 



Strandpfützen bei: Siöfok (tb. XI, fig. 285). 



264. Surirella peisonis Pant. n. s. 



Valvis magnis, ovatis, 112 — 120// longis, 585 — 60 // latis; polo superiori 

 modice attenuato, obtuso, inferiori late-rotundato; costis validis, abbreviatis, arcuatis, 

 3 — 4 in 10/*; corona punctorum marginalium insignis ; puncta 11 — 12 in 10/*; 

 spatia intercostalia striolata; Striae validae, 11 — 12 in 10//, transversae, undulatae, 

 sparsae punctatae, usque ad pseudorhaphem percurrentes. 



Seeschlamm aus dem Fertö bei: Nezsider ( tb. XII, fig. 288). 



var. pyriformis Pant. n. v. 



Valvis pyriformibus, 81*5 -83 // longis, 58'3 — 59« latis; corona striolarum 

 marginalium distincta; striolarum 11 — 12 in 10«; costis abbreviatis, marginalibus, 

 arcuatis 3 — 4 in 10«; spatiis intercostalibus striolatis; striis undulatis, remote et 

 disseminate punctatis, usque ad pseudorhaphem percurrentibus, 11 — 12 in 10//. 



Seeschlamm aus dem Fertö bei: Nezsider (tb. XIII, fig. 302). 



265. Surirella elegans E. 



var. er ist ata Pant. n. v. 



Valvis elongato-elliptice-ovatis, 144 " longis, 45 6// latis; costis usque ad 

 pseudorhaphem carinaeformem percurrentibus, 2 in 20//; spatiis intercostalibus 

 striolatis; striolis 20 in 10// transversis. 



Seeschlamm bei: Siöfok (tb. XIII, fig. 298). 



