120 Bacillarieae, Naviculacese, Navicula. 



417. Navicula Hochstetteri Grun. in Wien. Verh. 1863, p. 153, t. 14, 

 f. 2, Alg. Novara p. 101, t. 9, A. Schm. Atlas t. 8, f. 53-55. — 

 Minor, valvis late ovalibus, 25-50 s 16-28, area rnedia levi anguste 

 lanceolata; striis subtiliter punctatis, subradiantibus, 15-18'/., in 

 10 (x. 



Ilab. ad litora insulse uKamortha)) in archipelago Nicobarico 

 (Frauenfeld), in sinu Carpentarias, ad insulam Javam et ad oras 

 Brasiliae (Gruendler, A. Schmidt); ad Caput «Horn)) Americre 

 australis (P. Petit). — Habitus ob strias passim subcostatas quasi 

 Surirayce, forma vero Cocconeiclis. 



418. Navicula bimaculata Paut. Foss. Bacill. Ung. II, p. 42, t. 23, 418 

 f. 346. — Valvis lanceolato-ellipticis, 64 = 19; striis transversis 

 14-15 in 10 a. ad medium abbreviatis, area nuda, medio inflata, 

 maculis duabus oblongis notata. ♦ 



Hab. fossilis ad c< Bory » Hungariae. 



419. Navicula infirma Grun. in Mois. u. Neum. Beitr. Palaeont. CE- 419 

 sterr. Ungarns u. d. Orients 1882, p. 146, t. 30, f. 53. — Valvis 

 oblongo-ovatis, 20 = 7, nodulo centrali area lanceolata levicincto; 

 striis transversis delicate punctatis, usque ad apices radiantibus, 



in valvas medio 13, in apicibus 16-17 in 10 a. 

 Hab. fossilis passim (Grunow). 



420. Navicula definita Grove et Sturt Diatom. Otago III, pag. 11, 420 

 t. VI, f. II, Notarisia 1887, p. 348. — Valvis magnis, 190-200 = 

 55-60 y.., ovato-lanceolatis, apicibus obtuse rotundatis ; striis sub- 

 radiantibus, quartam latitudinis valv. partem occupantibus aream- 

 que magnam circa raphen relinquentibus, circ. 16 in 10 a., no- 

 dulis terminalibus et centrali transverse dilatatis. 



Ilab. fossilis ad « Oamaru » in Nova Zelandia. 



421. Navicula bivittata Pant. Foss. Bacill. Ung. II, p. 43, t. 5, f. 83. m 

 — Valvis late lauceolato-ellipticis, 80-120 = 31,5, ad polos leviter 

 productis, subcapitatis, obtusis; striis \0 l / 2 -\3\' 2 in 10 u.., lineis 

 duabus longitudinalibus interruptis, radiantibus, abbreviatis et hinc 

 inde aream nuda valde dilatatam linquentibus. 



Hab. fossilis ad «GyoDgyos-Pata» Hungarias. 



422. Navicula marginulata Cleve On some new or little known Dia- 422 

 toms p. 11, t. III, f. 29. — Valvis rhombicis, 42 ^ 12; striis trans- 

 versis brevissimis, marginalibus, aream amplam structura caren- 

 tem linquentibus, 17 in 10 a. 



Hab. prope portum uPensacola)) Floridae (Febiger). 



423. Navicula Botteriana Grun. in Wien. Verh. 1860, p. 535, t. I, 423 



