Kieselalgen des Balaton. 
55 
parallelis, 22—23 in 10 n punctatis, prope marginem sulcis duabus longitudinali- 
bus interruptis. 
Seeschlamm : Balatonfüred (tb. VI, fig. 134). 
123. Navicula firma Kg. 
Kg.: Bac. pg. 92, tb. 21, fig. 10; A. Schm.: Atl. tb 49, fig. 3. Sy non.: Navicula 
firma var. major Ströse (non Grün.): Klieken pg. 10, tb. 1, fig. 5A; Wolle: D. 
tb. 19, fig. 10; De Toni: Syll. pg. 155. 
Valvis elongato-ellipticis, 85 u. longis, 16'8 // latis, apicibus rotundatis; nodulo 
centrali magno lateraliter dilatato; rhaphe directa, ad polos medianos opposite 
uncinato arcuata; striis 16—17 in 10//, punctatis, transversis, parallelis, ad margi¬ 
nem sulco profundo, nudo, arcuato, interruptis. 
Söstö bei P.-Szäntöd (tb. Vf, fig. 136). 
var. diminuta Fant n. var. 
Valvis minoribus 46‘8 // longis, 14 4 /; latis, elongato-ellipticis, apicis rotun¬ 
datis; rhaphe directa, ad polos centrales hamulifera; nodulo centrali, transverse 
dilatato; striis 14—15 in 10/; punctatis. 
Strandpfützen: Siöfolc (tb. VI, fig. 137). 
124. Navicula Columnaris E. 
E.: Ber. 1846, pg. 163; Microg. tb. 14, fig. 23; A. Schm.: Atl. tb. 49, fig. 1 ; Wolle: 
D. tb. 18, fig. 1; Heribeaud: D. Auv. pp. 113. 
Valvis elongatis, truncatis, 98 /; longis, 19'8 /< latis; rhaphe directa, polis 
medianis opposite uncinato arcuatis; poro centrali dilatato, sinuoso; striis 22 in 
10 /;, transversis, parallelis, punctatis, ad marginem valvae, vitta nuda, arcuata, mar¬ 
ginem parallele sequentem, interruptis. 
Seeschlamm: Siöfok (tb. VI, fig. 135). 
125. Navicula ampliirrhyncltus E. 
E.: 1843. Arner. pg. 129, Nr. 135, tb. 3, 1, fig. 10; Kg.: Bac. pg. 95, tb. 21, fig. 
11, tb. 28, fig. 47; W. Sm.: Br. D. I. pg. 51, tb. 16, fig. 142; V. FI.: Syn. tb. 13, 
fig. 5; Truan.: D. Ast. pg. 39, tb. 2, fig. 5; Wolle: Diät. tb. 14, fig. 3, 4; tb. 19, 
fig. 13; Synon.: Navicula affinis var. amphirrliynckus Brun: D. Alp. pg. 72, tb. 
7, fig. 20; — Navicula Iridis var. amphirrhynchus V. FI.: D. pg. 221, tb. 5, fig. 
214; Istvf.: Balat. pg. 70. 
Valvis linearibus, elongatis, 58'5 //. longis, 13'5 /; latis, apicibus protractis; 
truncatis; rhaphe directa, ad polos medianos opposite uncinato inclinata; nodulo 
centrali sinuoso, dilatato; striis, 20 in 10//, punctatis, transversis, parallelis, ad mar¬ 
ginem valvae per vittam longitudinalem, interruptis. 
Söstö bei Fehervär (tb. VI, fig. 138). 
