^ 51 ^^ 



— Denticella tridens, tridentula, polymera Eiirbg. Mikrogeolog. tab. 21, fig. 24 

 etc.; Weisse Simbirsk 1854, pg. 6, tab. 2, fig. 35. — Zygoceros Toumeyi Bail. 

 Sill. Journ. 1843, pg. 138, tig. 3, 4. 



Bajtha, ^lesd, Also-, Felso-Esztergdly, Kekko, Mogyorod, Szakal, Szenf-Peter. 

 Forma: elongata Pant. tab. 30, fig. 311, ^23/^. Longitude 0-2475 mm., 

 latitud. valvae media parte 04 mm. ; ad polos 0*025 mm. Valvis elougatis, 

 polis rotundatis, margine 5 undulato, vittis 4, latis laevibus. 

 Szent-Peter. 



TRICERATIUM EHRBG. 



Triceratium (nankoorense Gruu. var?) acutang-ulum Grun. in Van 

 H. Synops. tab. 113, fig. 12. 

 Felso-Esztergdly . 



Triceratium antiquum nov. spec. tab. 13, fig. 115, 827/^^ Triangularis, 

 lateribus leviter concavis, gonis obtuse lanceolatis ; centro elevato ; structura 

 areolata, areolis (7'/2 in 0*01 mm.) hexagonis, in lineas radiantes, leviter arcu- 

 atas ordinatis; margine subtiliter interrupte striolato, striis 15 in 0"01 mm. Aiti- 

 tudo valvae 0*048 mm., longitude lateris 0*053 mm. 

 Szent-Peter. 



Triceratium arcticum Bright. M. J. 1853, pg. 250, tab. 4, fig. 11; 

 A. Schm. Atlas tab. 79, fig. 5, 6, 10—13 var. 

 Felso-Esztergdly, Kekko, Szakal, Szent-Peter. 



Forma: quinquegona. Triceratium quinquelobatuni Grev. A. Schm. 

 Atlas tab. 79, fig. 8. 

 Szakid. 



Triceratium balearicum Clev. Gruu. N. L. K. Diat. pg. 25, tab. G, 

 fig. 73; A. Schm. Atlas tab. 98, fig. 20, 21. 



Bajtha, Elesd, Felso-Esztergdly, Kekko, Mogyorod, Szakal, Szent-Peter. 



Triceratium biquadratum Janisch. A. Schm. Atlas tab. 98, fig. 4— (5. 

 Szakal, Szent-Peter. 



Triceratium Brunii nov. spec. tab. 19, fig. 176, ^^o/^ . tab. 28, fig. 

 274, ^^''/i- Valvis triangularibus; lateribus concavis, gonis productis rotundatis ; 

 structura areolata, areolis rotundatis papillosis (4 in 00 1 mm.), in lineas radi- 

 antes ordinatis, in centro elevato per cingulum quasi diruptis, pulvillis angu- 

 laribus nudis. — Altitudo 0*056 mm., longitude lateris 0*066 mm. 

 Szent-Peter. 



Triceratium Castracanei nov. spec. tab. 29, fig. 2S9a-6. ^^o/^, Valvis 

 triangularibus convexis cum setis intramarginalibus validis ornatis; lateribus 

 concavis, fimbriatis cornubus angularibus productis; structura cellulosa, cellulis 

 papillosis, in lineas subradiantes dispositis (5 — 6V2 in 0*01 mm.). Longitude) 

 lateris 0*0935 — 0*102 mm.; altitudo valvae 0*0<S36 mui. 



Szakal. 

 Dem beriihmten Bearbeiter der Challenger Bacillarien Herrn Abbe Grafen 



