526 Baeillariese, Nitzschiacese, Nitzschia. 



4Yg_5i/2 in 10 !J.. In raari Kariano. — Var. affinis Cjrun. in V. H. 

 Syn. p. 177, t. 62, f, 16, Nilzschia affmis Grun. Arct. Diat. p. 89: 

 a typo differt statura miaori, valvis 33-90 s 6-7, punctis carinali- 

 bus 8-9 in 10 u..; striis subtilioribns. Hinc inde passim. — Forma 

 upolensis Grun. Arct. Diat. p. 89: frustulis ut in varietate affini 

 et in tabulas obliquas omnino ut in Bacillaria 'paradoxa conso- 

 ciatis. Ad ins. Navigatorum (Saraoa). 



93. Nitzsciiia brevistriata Grun. in Cl. et Gr. Arct. Diat. p. 89. — 2087 

 Valvis longe linearibus, 186:^6, apicibus longe productis, carina 



1 [j.. circiter lata, punctis carinalibus 5-5^2 iii 10 '^-'i ^triis trans- 

 versis brevissirais marginalibus, vix 1 a. longis, circiter 24 in 10 f;.. 

 Hab. in sinu Carapechiano. 



94. Nitzschia spathuiata Breb. in W. Sm. Br. Diat. I, p. 40, t. XXXI, 2088 

 f. 268, Pritch. Inf. p. 782, Heib. Consp. p. 112 excl. sjnon., Ra- 

 benh. Fl. Eur. Algar. I, p. 161, Cl. et Gr. Arct. Diat. p. 89, H. 



L. Sm. Sp. T. n. 370, V. H. Syn. p. 177, t. 62, f. 7-8, T. n. 390. 

 — Mediocris, lineari-lanceolata, ad utrumque finem leniter atte- 

 nu-ata, apicibus truncatis et appendice dilatatis, merabrana conne- 

 ctivali lata, subtiliter striato-plicata; valvis lanceolatis, acutis, ca- 

 rina centrali, apicibus valde arapliata et subelevata, punctis cari- 

 ualibus distinctis, circ. 4-5 in 10 y.. ; striis subtilissimis delicatis. 

 Hab. ad oras Anglife, Galliae ad «Dives» (De Brbbisson), Groen- 

 landife, Finraarchi^ (Cleve), Dani» (Heiberg), in mari Adriatico 

 (LoRENz), ad «Blankenberghe» Belgii (Van Heurck), intra Sal- 

 pam in raari mediterraneo prope portura messaneusem lectam (F. 

 CastraCane); ad Caput «Horn» Amer. austr. (Petit). — Var. 

 hyalina V. H. Syn. p. 177, t. 62, f. 9, Nilzschia hyalina Greg. 

 Diat. Cljde t. 14, f. 104, Cl. et Gr. Arct. Diat. p. 89, Rab. FI. Eur. 

 Alg. I, p. 161 : linearis, sub polis appeudice aliformi prsedita, api- 

 cibus obtuso-rotundatis; valvis anguste lanceolatis, 85^10, sub 

 polis subito attenuatis, apicibus productis, carina centrali, punctis 

 carinalibus rainoribus, biseriatis, 7-8 in 10 p.. Ad oras Scotise (Gre- 

 gory), in mari Kariano (Grunow), ad « Blankenberghe » Belgii 

 (Van Heurck). 



95. Nitzschia cursoria (Donk.) Grun. in Cl. et Gr. Arct. Diat, p. 89, 2089 

 V. H. Syn. tab. 62, fig. 19, Bacillaria cursoria Donk. in Trans. 

 Micr. Journ. VI, p. 16, t. III, f. 12, Pritch. Inf. pag. 784, t. IV, 



f. 19, Rabenh. FI. Eur. Algar. I, p. 166. — Exacte linearis, utro- 

 que fine truncata, valvis lineari-lanceolatis, acutatis, 70-80^7, 

 apicibus longe productis, carina centrali angusta, punctis carina- 



