Translation 2816

2. The -epivalve has the shape of a truncated
cone;
the hypovalve is bulbous; the two valves
are of equal size, measuri.nz, 33-37 x 24-3U. tU •
G. acidotum 13.r1.
(b) Chromatophores light green. . . . . q. vxricie 10.
(c) Chromatophores are brown, but are coated by_the
red pigment of the cell, so 'that the cells n,ppos,r
sanguineous or carmine.
(d). Chromatophores yeJ.low, yellotiTish-brcit*a or dsr3c brown..
1. 'Phe hypovalve is sharply. conic^,. or bul.bous.
The epivalve is rounded in an.ovoid fashion,
without apical serrae. Mles,.surements: 80-100 x
55-60 M . . . . . . . . . .
(si3Y
2. The hypovalve is rounded convexly, or sinuous
at the antapical end.
ol.)
Cells are distinctly flattened dorsiventrally,
and o rbi cula.r.
x Cell outline (lateral position) 18 almost
ci.rcular, as fmme tri cal (right side, i s arched
more strongly thanleft).The epivalve
is smaller than the hypovalve. Length,
66-80 M . . . . . . . . t,. :tenui. ssimum 2.
_2^^ Lells are more ovo.l and have one polar
apiculus each. The epivalve j.* son.iewhat