40 Kieselalgen des Hulaton. 



77. Navicula rhynchocephaln Kg. 



Kg.: Bac. tb. 30, fig. 35; W. Sm.: B. D. I, pg. 47, tb. 16, fig. 132; Pritch.: Inf. 

 pg. ( J»H), tl). 7, Hg. 68; Grün.: Verb.. 1860, pg. 529, tb. 2, fig. 31b; Cleve-Grun.: 

 Arct. I). pg. 33, tb. 2, fig. 33; Rbh.: S. D. pg. 39, tb. 6, fig. 68 ; Rhu.: Flor. Eur. 

 Alg. I, pg 196; Schum : D. T. pg. 68, tb. 3, fig. 39; Donk : B. D. pg. 38, tb. 6, 

 fig. 4; A. SCHM.: Atl. tl». 47, fig. 28—29; O. M.: Ir. D. pg. 316, tb. 34, fig. 31; 

 Brun: I). A. pg. 80, tb. 7, fig. 19; V. II : Syn. pg. 84, tb. 7, fig. 31; De Toni: 

 Syll. pg. 44; Wolle: D. tb. 9, fig. 34, etc.; Cleve: Synops. II, pg. 15; V. H.: D. 

 pg. 181, tb 3, fig. 119; Isjvf.: Balat. pg. 66. S y n o n. : Navicula cryptocephala 

 \ ar. rhynchocephala Si rose : Klieck. tb. 1, fig. 3. Collectiones: V. H.: T. Nr. 90. 



Valvis parvis, late lanceolatis, 455 — 46 p. longis, 115 — 12 jj. latis, ad fines 

 sensim attenuatis, lcniter constrictis, apicibus obtuso rotundatis ; rhaphe directa; 

 poro centrali a zona hyalina, nuda, producta, lanceolata, cincto ; striis 10 in 10 u, 

 subradiantibus. 



Secschlanim : Balatonfüred, Siöfok (tb. IV, fig. 87). 



78. Navicula notabilis Pant. 

 Pant.: Foss. Bac. Ung. II, pg. 51, tb. 5, fig. 95. 



Valvis sagittato subrhombicis, 42 3 jt longis, 10"8 \i latis, cum polis attenuatis, 

 leniter rotundatis; rhaphe directa; poro centrali ab area nuda sat dilatata, cincto; 

 striis punetatis 10 — 12 in 10 \>, radiantibus, ad polos subparallelis. 



Seeschlamm: Siöfok (tb. IV, fig. 90). 



79. Navicula secreta Pant. n. s. 



Valvis lanceolatis, oblongis 48 — 49 u, longis, 9"8 — 10 [i latis, ad medium 

 valve modice inflatis. ad polos modice produetis, obtusis, rotundatis; rhaphe 

 directa; nodulo centrali elliptice dilalato ; striis radiantibus, 17 — 18 in 10 (i. 



Recedit a Navicula botanica Grün, striis omnibus radiantibus, nunquam 

 adscendentibus ; a Navicula falaisiensis Grün, jam statura constanter majori et 

 striis remotioribus. 



Quellenausfluss am Seestrand : Aräcs (tb. XVI, fig. 338). 



80 Navicula lanceolata Kg. 



Kg.: Har. pg. 94, tb. 30, fig. 48; Rbh.: S. D. pg. 39, tb. 6, fig 77; Grün.: Verh. 1860, 

 pg. 527, tb 2, fig. 27; Schum.: Pr. D. 1862, tb. 9, fig. 38; A. Schm.: Atl. tb. 47, 

 fig. 49; Clev. Grün.: Arct. D. pg. 35; V II: Syn. pg. 88, tb. 8, fig. 16; Lagerst.: 

 i, pg. 50, fig 5a; Wolle: I). tb. 9, fig 32; Cleve: Synops. II, pg. 22; De 

 Toni: Syll. pg. 57; V. II.: D. pg. 186, tb. 3, fig. 139; Istvp.: Balat. pg. 67. 



