Bacillarieae, Naviculacese, Navicula. 35 



83; Navicula Kochii Paat. Foss. Bacill. Ung. II, p. 49, t. 1, f. 72. — 83 



Valvis ellipticis 45- 17, ad medium leniter constrictis, polis rotun- 

 datis, striis 8-12 in 10 a., costatis, area levi rhaphem ambiente 

 medio dilatata. 



Hab. fossilis ad « Szurdok-Piispoki » Hungariae. 



84. Navicula neocruciata De-Toni, Navicula cruciata Cleve On so- 84 

 me new or little known Diatoms p. 6, t. I, f. 1 1 nec Fortmorel. 

 — Valvis oblongis, 87^17, medio 14 u.. latis et hic ergo leniter 

 constrictis, striis transversis 12 in 10 y.., parallelis, costatis, levi- 

 bus aut indistincte granulatis, in medio valv&3 absentibus, rhaphem 

 non attingentibus. 



Hab. in Groenlandia sed dubie. 



85. Navicula Sancti-Thomae Cleve Diatoms from t.ie West Indian 85 

 Archipelago p. 6, n. 39, t. I, f. 4. — Valvis 61 s 25,5, ambitu uu- 

 dulatis, apicibus productis, striis transversis validis, radiantibus , 

 5-6 in 10 v.., marginalibus, circa rhaphem aream latam linqueu- 

 tibus. 



Ilab. ad insulas Virginum semel (Cleve). — Navicuice Botte- 

 riance Grun. proxima dicitur. 



86. Navicula nicobarica Grun. in Wien. Verhand. 1863, p. 150, t. 14, 86 

 f. 8, Alg. Novara p. 18 [A. Schm. Atlas t. 8, f. 57, t. 70, f. 35-36, 

 male], Cl. Vega p. 505, t. 35, f. 16! — Minor, valvis late ovatis, 22- 

 38 c; 17-26, striis validis, costatis, radiantibus, 5 l / 2 -6 in 10 u., lineis 

 duabus rhaphi approximatis, levibus, latiusculis interruptis, nodulo 

 centrali mediocri, orbiculari. 



Ilab. in sabulosis marinis insulse nicobaricae «Kamortha » dictas 

 (Frauenfeld), inter algas marinas ad aPoint de Galle » insulae 

 Ceylonae (F. R. Kjellman). — Navicake fuscce Greg. similis sed 

 inulto minor et confertius costata (nec striata). Habitus fere Coc- 

 coneidis. 



87. Navicula floridana Cleve On some new or little known Diatoms S7 

 pag. 6, t. 1, flg. 10. — E mediocribus, valvis elongatis, 45-75=; 

 10-12, leniter medio constrictis et hic 8-9 u.. latis, apicibus ro- 

 tundatis, striis haud distincte punctatis, parallelis, 15 in 10 u.., 

 ad apices confertioribus et hic 20 in 10 y.., in valvae medio deflcien- 

 tibus, rhaphem non attingentibus, area circa rhaphem lineari an- 

 gusta. 



Hab. in portu «Pensacola» Floridae (C. Febiger). 



88. Navicula mesolepta (Ehr.) Kuetz. Bacill. pag. 101, t. 28, f. 33, 88 

 t. 30, f. 34, non auct. nonnull. posterior. — Valvis angustis, 60 ^ 



