770 Bacillarieae, Striatellaceae, Moelleria. 



12. Striatella? punctata Bail. et Harv. Exp. p. 181, t. 9, f. 29-30 ^Qgs 

 (sub Hpalosira)^ Pritch. Inf. p. 804, Grun. in Wien. Verhandl. 

 1862, p. 426. — Frustulis maguis, in catenas elongatas conjun- 

 ctis, subquadraticis, dissepimentis haud interruptis medio alterna- 



tim granulatis et serie unica punctorura instructis. 



Hab. ad oras insulae « Tahiti ». — Fortasse Rhabdonematis 

 species. 



Species mihi omuino ignotse. 



13. Striatella arctlca Ehr. iNord. p. 23, t. 2, f. 12-13, Ber.|Berl. 3089 

 Akad. 1872, p. 300. 



Hab, in zona polari boreali (Ehrenberg). 



14. Striateila pinnata Ehr. Mikrogeol. t. 8, 11, f. 15. 309o 



Hab. fossilis ad «Zamuto)) Hungariae (Ehrenberg). 



ATTHEYA West [1860] in Trans. Micr. Soc. Vlll, p. 152 (Etyra. a cl. 

 Atthey), Rabenh. Fl. Eur. Algar. I, p. 322, De-Toni Osserv. Tasson. 

 Bacill. 1890, pag. 909. — Frustula compressa, annulata, e facie 

 connectivali visa ad angulos spinas setasve longas subtiles geren- 

 tia; valvae lanceolato-ellipticae, pseudorhaphe distincta. 



Obs. Genus quodammodo ad Chceioceraceas transitum efficiens. 



1. Attheya decora West in Trans. Micr. Soc. VIII, 1860, p. 153, 309i 

 t. 7, f. 15, Pritch. Inf. p. 863, t. 8, f. 35, H. L. Sm. Sp. T. n. 50. 

 — Characteres generis. 



Hab. ad oras Normandise (Brbbisson) et Angliae ? (West). 



MOELLERIA Cleve [1873] Diat. of the Sea of Java p. 7 em. Castrac. 

 [1886] Diat. Challenger p. 98 (Etym. a claro micrographo germa- 

 nico J. Moeller). — Frustula cuneata in spiralem seriem conjun- 

 cta ; vulvae ovales, pseudonodulo centrali instructae et in duos 

 inaequales processus desinentes; zona connectivaiis pleruraque cre- 

 bre costata vel plicata. 



Obs. Genus, observante egregio diatomologo Cleve, Striatellam 

 Ag. cum Eucampia Ehr. quodammodo connectens, habitu vero Eu- 

 campicv sed structur^ merabranae connectivalis Striatellce. 



1. Moelleria cornuta Cleve Diatoms of the Sea of Java p. 7, n. 19, 3092 

 t. 1, f, 6. — Submembranacea; dissepimentis alternis, numerosis; 

 valvis sculptura indistincta. 



