166 
Body robust, left antapical horn very short, most commonly 
robust, straight or slightly curved, tooth-like. 
Denne karakteristiske Art synes at være udbredt i det Røde 
og Indiske Hav. : 
VIlEa "18 (17). 6 r) — VO "8/11 (r)) %8 () == Xa 
"df11 (r) — IX 15/11 (rr) = Xb %5 (r) — Xc 2/5 (-L). 
92. C. reflerum Cleve, Plankton-Organisms, 1900, p. 15, 
Pl. VII, f. 8—9. 
VITa 5/87) = IX "Is (7) — Xb 7/5 17). 
93. C.robustum Ostf. & Schm., nx. sp. 
Body robust, horns rather short, right 
antapical horn parallel io apical horn, 
left antapical horn with a pronounced 
flexure diverging at an acute angle; body 
and horns with prominent lists. 
Denne ejendommelige Form har vi kun 
fundet i faa Individer i en enkelt Prøve. 
BF: (mm) 
Fig. 17. olvl. robustum 94. C. curvicorne (Daday)… Cleve, 
Ostf. & Schm. Ca." Dlankton-Organisms, 1900, p. 14, Pl. VIL, 
fi 2,3 Ci tripost var; curvicorne 
Daday,  STermészetrajzi: Fizetek, 
Vol. X1;:1887-—88, Pl IL f. 4, 
$ 1% 14, 
1X:75/19 (7). —t, Xa 19/41. (17) 
— X "11 (r") — Xb %/5 (T) — 
SADEL had kl 
95. C. tenue Ostf. &Schm., n. sp. 
Horns very thin, apical horn 
rather long, antapical horns rather 
short, attenuated towards the ends, 
slightly diverging. Cell wall thin, 
Fig. 18. Cerat. re Ostf. & Sehm-" 143tAout lists. 
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