VEGA-EXPEDITIONENS VETENSKAPLIGA ARBETEN. 507 
+= N. flumvinensis Grun. (Van Heurck Syn. PI. LXII, fig. 3 
a. 4) L. 0,1 mm. Puneta 5—06. Str. 19/5 in 0,01 mm. 
+= N. (Homoeocladia) Vidovichii Grun. (Van Heurck Syn. PI. 
TRSVELKRSNT Tj: 
ENE veniricosa Kitton. (M. J 1873, Pl. XXXNIII, fig. 5) 
NE InicobariceGrunA (M+J.-IIT 18807; Pla XEIH682) 
N. marina Grun. (Van Heurck Syn. Pl. LVII, fig. 26,27) Str. 
11, oblique strie 16 in 0,01 mm. Length 0,28. Br. 0,008 mm. 
Surirella fastuosa W. Sm. (Grev. T: M. S. X, Pl. III, fig: 1, 
ANNE IDR FAL BIR VEER os oso): 
=S. manca Janish (A. S. Atl. LVI, fig. 9). 
= Campylodiscus Ralfsii Sm. (A. S: Atl. P1; XIV, fig. 1). 
C. undulatus Grev. (A. S. Atl. XVIII, fig. 11, C. Grevillei 
Leuduger p. 47, Pl. V, fig. 54—56). 
C. biangulatus Grev. (A. S. Atl. XIV, fig. 18) scarcely more 
than a variety of C. undulatus. 
C. ornatus Grev. 
TOT SPIATESS ALT RISE IVA Gee 20. 
= Ol Demelianus: Grun. (AN STATE Pl LIV: fig raj 2). 
= C. Thwretii Bréb. (Van Heurck Syn. Pl. LXXVII, fig. 1). 
C. ambiguus Grev. (A. S. Atl. XVIII, fig. 23—26). 
= Synedra Baculus v. minor Grun. (T. M. S. 1877, p. 168, 
PI TOXONfor 1): 
+ S. formosa Hantzch. var. — Str. 12 in 0,01 mm. 
=S. erystallina var. — Med. line indistinct, lateral very 
strong. Strize 101/5 in 0,01 mm. 
SUS) levigatal Gruns (RIM SI18717, pa 166) PK CXCIIINHeS: 3). 
S. Hennedyana Greg. (Van Heurck Syn. PI. XLII, fig. 3). 
S. undulata (Bail) Greg. (Van Heurck Syn. Pl. XLII, fig. 2). 
Sceptroneis euwneata Grun. — var. with 16 strize in 0,01 mm. 
and indiscernible longitudinal furrows. 
S. intermedia C. N. Sp. — Linear with very little dissimilar 
ends. Length 0,3 mm. Br. 07018 mm. Median line not visible, 
lateral strong. Strie 16!/> in 0,01 mm., finely punctate. Ends 
with radiant lines of small puncta. — P1. 37, fig. 60. 
Raphoneis Surirella (Ehb.?) Grun. (Van Heurck Syn. PI. 
XXXVI, fig. 26—27). 
= R. bilineata Cl. & Grun. pag. 499. 
R. amphiceros Ehb var. eruciata (Amphitetras cruciata Jan 
& Rabh. conf. pag. 499). 
= Dimerogramma ceylanica Cl. N.S. — Linear with rounded 
ends. Strie punctate 16 in 0,01 mm., marginal. Length 0,jos. 
Bri 0jor mm, Bl 57, He 58. 
