Bacillariese, Nitzscliiacese, Nitzschia. 523 



geste (Grunow) ; ad insulam Ceylonarn (Cleve). — Var. ?hyper- 

 borea Grun. in Cl. et Gr. Arct. Diat. p. 8G, t. 5, f. 104: valvis 

 brevioribus, 53 s 9, longius acutiusque productis quam in typo; 

 punctis carinalibus 8-10 in 10 y..; striis transversis delicate pun- 

 ctatis, 22 in 10 u.. In mari Kariano. 



85. Nitzschia fluminensis Grun. in Wien. Verhandl. 1862, pag. 581, 2079 

 t. 12, f. 35, Cl. et Gr. Arct. Diat. p. 86, Rabenh. Fl. Eur. Algar. 



I, p. 162, V. H. Syn. t. 62, f. 3-4. — Major,- valvis lanceolatis, 

 130-160 iJ 13-15, apicibus productis, acutiusculis, carina minus ex- 

 ceiitrica quam in N. vivaci, punctis carinalibus 3Yo-5 in 10 u..; 

 striis transversis distinctis, punctatis, 14-16 ia 10 [j.. 



Hab. in mari adriatico et mediterraneo, passim (LoRENz); ad 

 insulas Borneum et Ceylonam (Cleve); in sinu Campechiano (Gru- 

 NOw); adest e aSansego», teste Grunow 1880, forma frustulis 65 ^ 

 13, striis transversis, 14 in 10 ^a., quae forte huc pertinet. — Var. 

 ?angusta Grun. in Cl. et Gr. Arct. Diat. p. 86: valvis angustiori- 

 bus brevioribusque, apicibus minus acutiuscule productis; punctis 

 carinalibus brevioribus, 5-5V2 in 10 u.. ; striis transversis puucta- 

 tis, 15 in 10 y.. ; valvis circiter 85^:10, totis frustulis linearibus, 

 circiter 10 7.. latis. Ad insulam Javam. — Var. subundulata Grun. 

 in Cl. et Gr. Arct. Diat. p. 87. Cl. et Moell. Diat. n. 148: valvis 

 raagis lineari-lanceolatis, 144-156 ^ 14-16, apicibus breve productis, 

 subarapliatis, uno latere plica longitudinali lenissima donatis, pun- 

 ctis carinalibus 4-6 striisque transversis punctatis, 15-16 in 10 [x. 

 Ad ins. Seicellas et insulas Barbadenses. 



86. Nitzschia majuscula Grun. in CI. et Gr. Arct. Diat. p. 87, V. H. 208O 

 Syn. t. 62, f. 5. — Valvis lineari-lanceolatis, 200 s 19, apicibus 

 productis, carina subcentrali lata, utrinque acute definita, punctis 

 carinalibus o-Sy^ striisque transversis punctatis, 14^2 in 10 p.. 



Hab. in sinu Campechiano. — Adest quoque, teste ipso Gru- 

 now, forma brevior, verisimiliter diversa, valvis lanceolatis, carina 

 angustiori, punctis carinalibus 5-6 striisque transversis l^V» in 

 10 u.. 



87. Nltzschla Petitiana Grun. in Cl. et Gr. Arct. Diat. p. 104, V. H. 208I 

 Syn. p. 177, t. 62, f. 6. — Valvis minutis, latere ventrali recto, 

 dorsuali regulariter et tenuissime usque ad apices rostratos atte- 

 nuato, punctis carinalibus vix prolougatis, 8-9 in 10 y..; striis 

 transversis delicatis, 27-30 in 10 [j., 



Hab. in aquis subsalsis. — u An Hantzschzaln. 



88. Nitzschia fragllarioides Grun. in CI. et Gr. Arct. Diat. p. 87, — 2082 



34 



