730 Bacillarieae, Licmophoraceie. 



Inf. p. 923, t. 12, f. 40, Tabellaria leois Ehr. Amer. 1843, t. 1, 

 II, f. 17,6. 



Hab. in aquis dulcibus in regione chiloensi Americte australis 

 (Ehrenberg). 



4. Diadesmis Bacilium (Ehr.) Kuetz. Bacill. p. 109, Navicula Bacil- 2949" 

 lum Ear. Kreid. 1839. 



Ilab. fossilis iti marga cretse (Ehrenberg). — Cfr. Navtculam 

 BaciUum Ehr., Syll. p. 160. Quid vero sit Diadesmis obiusa Arnott 

 in H. L. Smith Sp. T. n. 132, plane ignoro. 



5. Diadesmls biceps Arnott in Cl. et Moell. Diat. u. 173 est Rhoico- 

 neidis trinodis var. 



6. Diadesmis confervacea Kuetz. Bacill. p. 109, t. 30, f. 8, Rabenh. 

 Siissw. Diat. p. 51, Griin. .\lg. Novara p. 21, t, 1, f. 9, est Navi- 

 cula confervacea (Kuetz.) Grun. in V. H. Syn. t. 14, f. 36. 



7. DladesmJs peregrina W. Sm. in Pritch. Inf. p. 923. Grun. Alg. 

 Novara p. 21, t. I, f. 20 est Navicula conferva('ea var. peregri- 

 na Grun. in V. H. Syn. t. 14, f. 37. 



Genus mihi plane ignotum. 



HETEROMPHALA Ehr. [1858] in Ber. Berl. Akad. 1858, p. 13(Etym. 

 Iieleros diversus et omplialos umbilicus). 



1. Heteromphaia binodis Ehr. in Abh. Berl. Akad. 1872, t. 11, f. 23. 2950 



2. Heteromphala? trinodis Ehr. in Ber. Berl. Akad. 1861, p. 295. 2951 



3. Heteromphala Himantidium Ehr. in Ber. Berl. Akad. 1858, p. 13, 2952 

 Abh. 1872, t. 11, f. 29 (frustula e facie connectivali), videtur ea- 

 dem sjjecijs ac Glyphodesmis Williamsonii Grun. 



Pamilia XV. Licmophoraceas Kuetz. 



Licmophoracem Kuetz. [1844] Bacill. p. 119, Petit [1889] in Pell. Diat. II, 1, 

 p. 90, De Toni [1890] Osserv. tasson. Bacill. p. 907. 



Frustula e facie connectivali visa cuneiformia, ssepe lateraliter ad- 

 nata; valvae cuneatae, pseudo-nodulis et centrali et terminalibus 

 carentes, pseudorhaphe distiiicta donatae, striis transversis subti- 

 libus, margaritaceis ornatae. 



PhcTophora granuliformia (semperne?), sparsa. 



Obs. Genera omnia marina. 



