60 Kieselalgen des Balaton. 



139. Pleurosignta Peisonis Grün. 



Grün.: Verh. 1860, pg. 562, tb. 6, fig. 8; Rbh.: Flor. Furop. Alg. pg. 241. Synon: 



Pleurosignta Spencerii var. Peisonis Cleve-Grun. : Arct. D. pg. 60; Peragallo: Pleuro- 



sig. pg. 21, tb. 8, fig. 27; De Toxi: Syll. pg. 255; ISTVF.: Balat. pg. 73. Synon.: 



Gyrosigtna Wansbeckii (Donk.) Cleve: var. Peisonis Cleve: Synop. I, pg. 119. 



Valvis elongato-lanceolato-sigmoidcis, 111—112// longis, 10"8// latis, apici- 

 bus obtusis; rhaphe sigmoidea apice versus plus-minus cxcentrica; nodulo centrali 

 oblongo; striis Iongitudinalibus 29 in 10//, transversis 26 in 10//. 



Seeschlamm: Nezsider am Fertösee (tb. VII, fig. 161). 



Tribus: GOMPHONEMAEAE. 

 XI. GENUS: Hhoicosphenia Grün. 1860. 



140. Rhoicosphenia curvata (Kg.) Grün. 



Grün.: Novara. pg. 8; Rbh.: Flor. Für. Alg. pg. 112; Brux: D.Alp, pg. 41, tb. 6, 

 fig. 21; V. II : Syn. pg. 127, tb. 26; fig. 1,2; Truan: D.Ast, pg. 55, tb. 4, fig. 11; 

 De Toni: Syll. pg. 437; Wolle: D. tb. 27, fig. 17 etc.; Cleve: Synop. II, pg. 165; 

 V. II.: D. pg. 275, tb. 7, fig. 319; Istvf.: Balaton pg. 82; Schutt.: Bac. pg. 137, 

 fig. 252; A. Sc hm.: Atl. tb. 213, fig. 1-5; Eyferth: III, pg. 214, tb. 7, fig. 44. 

 Synon.: Gonphonema minutissima F.: Inf. pg. 217, tb. 18, fig. 5; Gonphonema 

 curvatum Kg.: Bac. pg. 85, tb. 8, fig. 1; Rbh.: S. W. D. pg. 59, tb. 8, fig. 18; 

 W. S.m. Br. D. I, pg. 81, tb. 29, fig. 245. Collectiones: Möller: Typenpl. II. 

 Gruppe, 6. Reihe, Nr. 7; V. H.: Typ. Nr. 224, 



Valvis cuneiformibus, cum apicibus obtusis, 28'8 — 335 // longis, 6'3 — 65 // 

 latis, curvatis; rhaphe in valva supcrior carente, hie per pseudorhaphem conpen- 

 sata, in valva inferiori direeta; striis 13 — 16 in 10// in valva superiore transversis 

 parallelis, in valva inferiori radiantibus. 



Auf Steinen am Seeufer: Siöfok, Überfuhr bei P.-Szäntöd (tb. VII, fig. 155, 156). 



XII. genus: Gomphonema Ag. 1824. 



* Asymetricae. 

 Grux.: in V. H.: Syn. pg. 123. 



141. Gomphonema Augur E. 



F : Bericht 1840, pg. 211; — Amer. tb. 1, 1. fig. 38, etc.; — Microg. tb. I, fig. 40, 

 etc.; Kr, : Bac. pg. 87, tb. 29, fig. 74; — Synop. Alg. pg. 61; Rbh.: S. D. pg. 60, 

 tb. 8, fi.^ Flor. Für. Alg. pg. 280; Pritch.: Inf. pg. 889; V. H.: Synop. pg. 



184, tb 23, \v A . 29; Pellet.: Diät. 1, pg. 222, fig. 129; De Toni: Syll. pg. 424; 

 I) iL. 28, fig. 17, 18; V. 11.: 1). pg. 271, tb. 7, fig. 301; Istvf.: Balaton 



