Translation 2816

13
nose-like nrotrusion.
Cells are only very
slightly laterally compressed. Measuring
8-17 x 5-8 P . . * . Cr. nasuta 14.
(b) Cells si^noid. Anterior end is bent more or less
ventrally, posterior end is curved towards the
dorsally.
The
sigmoid character i.5 occasionally
expressed only
frequently it is
1. Posterior end
ly rounded on
very weakly, but very
quite distinct.
sharply çuspidate, often very slightthe
extreme tip. Cells are not, or
are only slightly, compressed. The shape is
cuneiform.
Cz )
Cells broa,d7-V cuneiform, upper front corner
conically cuspidate and only•slightly rounded.•
Cells become tapered and acuminate towards the
posterior. Gullet extends to the middle of the
cell or somewhat deeper, running along the
,axis or obliquely towards the dorsal side.
Two or three large oval bodies are in the
anterior portion. In cross section, the cells
are circular. Measurements: 16-32 x 8-14P.
0)
Cr. IY1arss?onii 15.
Cells broadly cuneiform. Anteri-or end curves sligh-tly
or not at all towards the ventral side;