408 Bacillarieae, Cymbellaceae, Amphora. 



Mediocris, 70-90 b 24-26, naviculacea, rectangula, angulis rotundatis, 

 valvis subelato-convexis, rhaphe leniter curvata, striis dorsualibus 

 continuis subparallelis, ventralibus validis interruptis, nodulo cen- 

 trali area levi cincto. 



Hab. ad oras Angliae prope « Cresswell » (Donkin). 



151. Amphora permagna Paut. Foss. Bacill. Ung. II, p. 38, t. 6, f. 113. — 1653 

 Valvis productis. 112* 17, ad latus dorsuale medio inflexum recte 

 striatis, ad latus ventrale subplanum striis subradiantibus exornatis; 

 striis 20 in 10 jj..\ apicibus crassis, obtusis, rhaphe arcuata ad mediura 

 inflexa. 



Hab, fossilis ad « Czekehasa, Talya » Hungariae. 



152. Amphora angusta Greg. Diat. of Clyde p. 510, t. 12, f. 66. — 1654 

 Subrectangularis, vel lineari-elliptica, angusta, apicibus truncatis, 

 45*10, rhaphe subarcuata ; valvis transverse striatis, striis sub- 

 tilibus, circ. 17 in 10 a. 



Hab. in aquis marinis ad « Loch Fine» (Gregory). — Affinis 

 Amphorce exiguce Greg. — Var. arctica Grun. iu Cl. et Gr. Arct. 

 p. 24, t. 1, f. 9: frustulis lineari-oblongis, medio paullulum in- 

 flatis, 68 c; 12, striis transversis parallelis, 14 V 4 in 10 fx. In mari 

 arctico (Grunow). 



153. Amphora oblongella Grun. Diat. Kasp. Meer. p. 104, t. 4, f. 20. — 1655 

 Minuta, 32-36 * 8-10, frustulis e facie connectivali visis angustis, 

 oblongis, polis rotundatis; valvis cymbiformibus, obtusiusculis, mar- 

 gine ventrali plano, rhaphe subrecta margini inferiori approxiraata, 

 striis dorsualibus subradiantibus, 14-16 in 10 u., ventralibus bre- 

 vissirais. 



Hab . ad ligna immersa in portu « Baku » raaris Caspici 

 (Grunow). • 



154. Amphora spectabilis Greg. Diat. oftheClyde p. 44, t. V, f. 80, 1656 

 Pritch. Inf. p. 885, t. VII, f. 57, Lens p. 80, o. 42, t. III, f. 3, 



Cl. Diat. Vega p. 462 uon A. Schm. Atlas t. 40, f. 20-23 quse 

 figura Amphoram furcatam Leud.-Fortm. repraesentant. — E 

 majoribus, late lineari-oblonga, 80-120 u. longa, rectangula, utroque 

 polo late rotundato-truncata; valvis dorso late convexo longitudi- 

 naliter lineolatis, striis transversalibus 5V 2 -6 in 10 u. 



Hab. in aquis marinis et submarinis Scotise (Allmann), Buhusiae 

 (Lagerstedt) ; in freto Davisiano (Cleve); ad insulatn Ceylonara, 

 (Cleve); fossilis in Japonia (Tempere, Brun). — Vix huc per- 

 tinet, saltem ex icone, Amphora dubia Greg. 



155. Amphora arenaria Donkiu in Trans. Micr. Journ. VI, 1853, p. 31, 1657 



