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503

(1882-87) [MARC] Author: Adolf Erik Nordenskiöld
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Cyclotélla striata Kiitz var. stylorum Btw. (Van Ileurck Syn.

Pl. XCII, fig. 2—5).

Coscinodiscus (Hauckii Grun. var.?) mesoleius Cl. — Very thin
and transparent. Strise marginal, composed of fine puncta,
28 in 0,oi mm., surrounding a large structure-less centre. Diam.

0.03 mm. — Pl. 38, fig. 82.

This form differs from Cos. Hauckii Grun. (Van Heurck
Syn. Pl. XCIV, lig. 29) by its structure-less central area, which
in the Grunowian species is covered with large scattered puncta.

C. excentriciis Ehb. (A. Schm. Atl. Pl. LVIII, fig. 46, 47, 48).
C. nitidiäus Grun. (A. Schm. 1. c. fig. 20).

C. lineatus Ehb. (A. Schm. Atl. Pl. LIX, fig. 29—30).

C. radiatus Ehb. (A. Schm. Atl. Pl. LX).

Biddulpliia reticulata Roper var. A. Schm. Atl. Pl. LXXVIII,
fig. 21.

var.? dubia (Btw.) — Triceratium dub. Btw. M. J. VII, pag.
180, Pl. IX, fig. 12 T. bicorne Cl.

B. Rop er iana Grev. (Van Heurck. Syn. Pl. XCIX, fig. 6).
Triceratium punctatum Btw. (Pritch. Inf. Pl. VI, fig. 20).

T. parndum Jan. & Rab. (Hond. pag. 4, Pl. I, fig. 4, Am*
ph i tetras).

T. Favus Ehb. a small form.

Eunotogramma ler v is Grun. (Cl. & Möll. Diat. No 257 —?
Leudug. Fortm. Diat. Ceyl. Pl. IX, fig. 93, 94, 95, Biddulpliia
lunaris Ehb.?)

Anendus minutus Grun. (Van Heurck Pl. CIII, fig. 4—5).
Cerataulus labuensis Cl. N. Sp. — Hyaline; valve broadly
ovale with rounded ends. Surface covered with extremely fine
strise, 28 in 0,oi 111111., almost parallel, near the ends radiating,
passing from the longitudinal axis of the valve to the margin.
Botli valves of the frustle at an angle to each other. F. W.
trapeziform or irregularly quadratic; in the corners of the
valves are ocelli visible. Connecting membrane 00 shaped. Length
of tlie valve 0,025—0,04 111111. — Pl. 38, fig. 80.

Both valves are not opposite to each other, for which reason
the connecting membrane forms a soinewhat twisted tubus.
Auliscus coelatus Bail (A. S. Atl. Pl. XXXII, fig. 13).

A. Stöckhardtii Jan. (Guan. Pl. I, fig. 4).

Aidacodiscus margaritacms Ralfs (A. Schm. Atl. Pl. XXXVII,
fig. 7).

Actinoptychus hexagonus Grun. (A. Schm. Atl. Pl. I, fig. 15).
A. splendens Shadb. (Halionvx undenarius Jan. Guan. Pl.

1, fig. 1).

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