— 137 - 



IVitzschia denticala Grau. 



— linearis W. Sm. 



— parvula W. Sm. 



— sigmoidea W. Sm. 

 Odontidium mutabile W. Sm. 

 ^enromigma.attenuatum W. Sm. 



— lacustre W. Sm. 



— Spencerii W. Sm. 

 Stikuroneis acuta W. Sm. 



— anceps Eh. 



— — var. linearis. 



— dubia Greg. 



— gracilis Eh. 



— phœnicenteron Eh. 

 Stenopterobia anceps Gr. 

 Stepbanodiscas astrea Grun. 



— rotula Ktz. 



— minutulas Grun. 

 Surirella constricta Eh. 



Surirella elegans Eh. 



— linearis W. Sm. 



— robusta Eh. (= S nobiiis). 



— splendida Ktz. 



— tenera. 



Synedra acus. var. tenuissima. 



— biceps Ktz. 



— capitata Eh. 



— linearis W. Sm. 



— longissima W. Sm. 



— lunaris W. Sm. 



— radians Ktz. 



— ulna Eh. 



Tabellaria fenestrata Lyng. 



— flocculosa Ktz. 

 Tetracyclus lacustris Ralfs. 

 Tryblionella angustata W. Sm. 

 Van Heurckia crassinervia Bréb. 



— rhomboides Bréb. 



N« 250 FORRESTER'S ROCK — OBMARU 



(Nouvelle-Zélande) 



BIBLIOGRAPHIE. — Fossil Diatomaceoas deposit from Oamaru New- 

 Zealand by E. Grove et G. Sturt 1886-1887. — Ad. Schmidt, atlas. — 

 Grunow dans le Bot-Centralblatt, n° 31, 1887 ; n»» 15 et 16, 1888. — Le 

 Diatomiste, vol. l et II. 



.Xctinodiscns Barbadensis Grec. 

 Actinoptychus splendtnsv. fuscaGr. et St. 



— vulgaris v. maculata Gr. 



et St. 

 Arachnoidiscus Ehrenbergii Bail. 

 Aulaeodiscus angulatus Grey. 



— celiulosus Gr. et St. 



— crux var . subsquamosa 



Grun. 



— margaritaceus v. Debyi Ratt. 



— Rattrayi Gr. et St. 



— sollitianus v. Novae-Zelandae. 



— subrimosas Grun. 



Aullscns Oamaruensis Gr. et St. 

 Biddulpbia Tuomeyi Bail. 



— rigida A. S. 

 BriKbtwellia coronata Ralfs. 

 Coscinodiacus argus Eh. 



— apollonis Eh. 



— concavus Greg. 



— — f* minor. 



— marginatus Eh. 



— radiatus Eh. 



— — var. média. 



— Rothii Grun, 



— spiniferus Gr et St. 



