538 Bacillarieae, Nitzschiacefe, Nitzschia. 



122. Nitzschia Groveana De-Toni, Nitzschia? antiqua Grove et Sturt 2116 

 Diatora. Otago 111, p. 11, t. VI, f. 12, Notarisia 1887, p. 348 noQ 

 Pantocsek, Nitzschia? Grovei D. et L. in Notarisia 1889, p. 537 

 uon Grun. 1888. — Yidihiivi SynedrcB similis; valvis 400 =; 18-20; 

 carina angusta, obscure punctata, cetera superficie punctis irregu- 

 lariter dispositis, strias breves, circ. 7^2 in 10 y.., parallelas effor- 

 mantibus oruata; projectione ovata apicali crebrius punctata. 



Ilab. fossilis ad « Oaraaru )) in Nova Zelandia. 



Sectio XXII. Lanceolatse Grun. [in Cl. et Gr. Arct. Diat. 1880, p. 182]: Val- 

 vae lanceolatse, lineari-lanceolatae vel rarius ovales. Carina valde excen- 

 trica, punctis carinaiibus non prolongatis. 



123. Nitzschia lanceolata W. Sm. Brit. Diat. I, p. 40, t. XIV, f. 118, 2117 

 T. M. S. 1860, p. 48, t. 2, f. 20, Rabenh. Fl. Eur. Algar. 1, p. 161, 

 Griff. et Henfr. Micr. Diat. t. 13, f. 10, Cl. et Grun. Arct. Diat. 



p. 94, V. H. Syn. p. 182, t. 68, f. 1-4. — E facie connectivali 

 visa major, lanceolata, medio inflata, utroque fine obtusata, trans- 

 verse et longitudinaliter striata; valvis angustissirae lanceolatis, circ. 

 200 ij 17, longe acuminatis, apicibus porrectis subrostratis ; carina 

 valde excentrica, punctis carinalibus 5-7 in 10 a., mediis haud re- 

 motioribus, striis transversis circiter 30 in 10 [x. 



Hab. in aquis subraarinis et ad oras Anglise, Galliae (De Bre- 

 bisson), in raari baltico (Dannfelt), intra Salpam in raari medi- 

 terraneo prope portum Messanensem lectara (F. Castracane) ; ad 

 ((Labuan)) insulse Bornei (Kjellman, Cleve); ad insulam Seren- 

 divam (Leuduger-Fortmorel). — Forma minor V. H. Syn. p. 182, 

 t. 68, f. 3, T. n. 397; valvis tautum 55-60 a. longis. — Forma 

 minima V. H. loc. cit. t. 68, f. 4: valvis vix 20 a. longis. — Var. 

 incrustans Grun. in Cl. et Gr. Arct. Diat. p. 95, V. H. Syn. p. 182, 

 t. 68, f. 5-6, Niizschia incrustans Grun. in Wien. Verhaudl. 1862, 

 p. 560, t. 12, f. 21 et 9-10, Rabenh. Fl. Eur. Algar. I, p. 152: 

 frustulis medio vix quam apice latioribus, ad 18 a. latis, mem- 

 brana connectivali lata, delicate longitrorsura striata; valvis an- 

 gustius lanceolatis, subarcuatis, 18-50:;; 4-6; punctis carinalibus 5-7 

 in 10 p.., striis transversis subtilissimis, ultra 30 in 10 a. In aqua 

 marina ad palos portuum prope ((Dieppe)) Gallise (Grunow). 



124. Nitzschia fusiformis Grun. in Cl. et Gr. Arct. Diat. p. 95. — 2118 

 Niizschid lanccolaid angustior et similis at raerabrana connecti* 

 vali haud conspicue longitrorsum striata; frustulis fusiforraibus ; 

 valvis anguste lanceolatis, 56-150^5-75 punctis carinalibus 10-12 



