792 Bacillariaae, Eunotiaceae, Eunotia. 



fontibus Moraviae (J. Nave), ad declives Salisburgenses (Sauter), 

 prope Stuttgardiam (Zeller), ia Hercynire monte Bructero (Ra- 

 benhorst), ad «Cornimont» Belgii (Delogne), in pluribus locis An- 

 gliae, Italise etc. — Var. semel-monticulata Rattr. Diat. North Tolstoa 

 p. 437, t. XXIX, f. 9: valvis 132,5 «10, lunatis, dorso Incurvis, 

 depressione dorsuali (inflationi veutrali contraposita), latere ventrali 

 protuberantia magna subcentrali instructo, apicibus obtusis leniter 

 recurvis; striis ubique uniformibus, leniter radiantibus, ad apices 

 subarcuatis, 12 in 10 [j.. Fossilis in depositu u North Tolstoa Lewis ». 



4. Eunotia exigua (Breb.) Rabenh. Fl. Eur. Algar. I, p. 73, V. H. 3145 

 Syn. p. 142, t. 34, f. 11-12, Himantidium exiguum Breb in Kuetz. 

 Species p. 8, Grun. in Wien. Verhandl. 1862, p. 340, t. 6, f. 15. 



— E minimis, valvis 10-15 u.. longis, leniter curvatis, latere dor- 

 suali simplici vel leniter biundulato convexo, sub polis plus mi- 

 nusve constrictis, apicibus capitato-porrectis et recurvis, striis sub- 

 tilissimis, saepius obliteratis, circiter 22-24 in 10 a.;frustulis e fa- 

 cie connectivali visis anguste linearibus. 



Hab. \n fossis inter con fer vas passira, in Gallia (De Bre 

 BISSON), Lusatia superiori, Helvetia saxonica (Rabbnhorst), Mora- 

 via (J. Nave), Austria (Steiner), Belgio (Delogne, Van Heurck). 



— Forsan huc pertinet Eunotia gracilis W.Sm. non Ehrenberg. 



5. Eunotia Boryana (Pant.) De Toni, Himaniidium Boryanum Pant. 3i4() 

 Foss. Bacill. Ung. II, p. 61. — Frustulis in fascias breves conjun- 

 ctis, e facie connectivali visis rectangulis, 111-112 « 17-18, angulis 

 obtusis, niembrana connectivali striolata, striis punctatis 25 in 10 



/j.. et plicis 3 ornata; valvis striolatis, striis parallelis, n^.^oin 10 y.. 

 Hab. fossilis ad cc Bory » Hungarise (Pantocsek). 



6. Eunotia guyanensis Ehr. Amer. p. 129, t. 2, 1, f. 4 (sub Himan- 3147 

 ??d?o),Mikrogeol. p. .332, Kuetz. Bacill. p. 40, t. 29, f. 41, Sp. p. 10, 

 Eunotia declivis Ehr.? — Striata ; valvis medio dilatatis, latere 

 dorsuali leviter exciso, bidentato, apicibus attenuatis leviter reflexis. 



Hab. ad Cayennam (Ehrenberg). — Hi^nantidium Papilio 

 Ehr. 1. c. f. 1-2 videtur, teste claro Grunow 1862, idem ac Eu- 

 notia Diodon, valvis in fascias breves conjunctis. 



7. Eunotia regiomontana Schum. Preuss. Diat. 1862, p. 184, t. 8, 3148 

 f. 8 (sub Himantidio). — Mediocris, 55-65 u.. longa, latere dor- 

 suali leniter couvexo, apicibus subcontractis, in latus ventrale ver- 

 gentibus, cuneatim prominentibus, rotundatis, striis granulatis 6 



in 10 ;. 



