VEGA-EXPEDITIONENS VETENSKAPLIGA ARBETEN. 501 
S. formosa Hantzsch (Ne nd ATeh. Diat. Pag: 19, el: ove 
fig. 3). 
Fragilaria? pacifica Grun. (Van Heurck Syn. PI. XLIV, 
fig. 21—22). 
Fr.? Schwarzii Grun. (Van Heurck. 1. c. fig. 24). 
Licemophora Lyngbyei (Kötz) Grun. (Van Heurck Syn. PI. 
XLVII, fig. 16) Length of the valve 0,065, breadth 0,008 mm. 
Strie at the base 12, in the summit 15 in 0,01 mm. 
Grammatophora oceanica Bhb. Several varieties were found 
in the Labuan material, among them the var. intermedia Grun. 
(Van Heurck Syn. Pl. LIII, fig. 15) with 26 strie in 0,01 mm. 
Gr. maxima var. Trinitatis Grun. (Bot. Centr. Bl. 1881, Bd 
VII, Beil. pag. 8) Length 0,075, breadth 0,008 mm. Strie 30 
in 0,01 mm. 
G. undulata var. gibba Grun. (Van Heurck Syn. XIII B, 
INN) 
Striatella interrupta Ehb. (Van Heurck Syn. P1. LIV, fig. 8). 
Rhabdonema adriaticwm Kätz. 
Olimacosphenia elongata Bail (Smiths Contr. VII, fig. 10—11) 
Strie 21 in 0,01 mm. 
Hantzeschia amphioxys var. borneensis Ol. Length 01 mm. 
Strie 9 in 0,01 mm., composed of distinct puncta; carinal 
punceta 3 in 0,01 mm. 
H. virgata Roper. (Van Heurck Syn. Pl. LVI, fig. 12). 
Niteschia (punctata var.?) dilweiana OM (Schr. der phys. 
Oek. Ges. zu Königsb. Bd XXIII, pag. 139) Lanceolate (of the 
same outline as Nitz. lanceola Grun.) one half of the valve 
not on the same plane as the other. Strize, composed of dis- 
tinet and separate puncta, 11 in 0,01 mm. carinal puncta in- 
distinct. "Length 0,035 mm. Breadth 0;,0o08 mm. Pl. III, fig. 67. 
I found this form first in diluvial elay from East Prussia. 
N. panduriformis Greg. (Grun. Arct. Diat. pag. 71). Length 
0,075 mm. Breadth 0,02 mm. Strie 17 in 0,01 mm. 
N. Jelineckii Grun. (Arct. Diat. pag. 74). 
N. marginulata Grun. (Arcet. Diat. pag. 72). Puncta 10—13 
in 0,01 mm. Strige 20—25 in 0,01 mm. Length 0,066 mm. 
Breadth 0,016 mm. Sides of the valve almost parallel. 
(vivax var.?) fluminensis Grun. (Aret. Diat. pag. 386. 
Van Heurck Syn. Pl. LXII, fig. 3). 
N. (sigma var.?) valida Cl. & Grun. (Van Heurck Syn. Pl. 
LXV, fig. 5): 
N. labuensis Cl. N. Sp. — Valve elongate; keel eccentric 
with large and dä puncta, 4—5 in 0,01 mm., of which the 
