188 
1 (rr) — 10 (rr). 
Area: Caribbean Sea, Red Sea and Indian Ocean. 
13. C. ventricosa (Clap. & Lachm.) Fol, Sur la famille des lin- 
tinnodea, Recueil Zool. Suisse, Tome 1, p. 59, PI. 5, f. 12, 1884; 
Entz, Ueber Infusorien des Golfes von Neapel, Mitth. aus d. Zool. 
Stat. zu Neapel, Bd. 5, p. 413, PI. XXIV, f. 24, 1884; Tintinnopsis 
ventricosa Daday, Monographie d. lam. d. Tintinnodeen, ibid. Bd. 7, 
p. 559, PI. 20, f. 19—20, 1887. 
The specimens observed agree very well witli Entz s and v. 
Daday’s figures. 
1 (rr) — 2 (rr) — 6 (+) — 10 (r). 
Area: Atlantic, North Sea, Western Baltic, White Sea, 
Mediterranean. 
Cyttarocylis Fol. 
14. C. reticulata Ostenfeld & Schmidt, Plankton fra det Røde 
Hav og Adenbugten, Vidensk. Meddel. Naturhist. Foren. Kjøben- 
havn, 1901. p. 180, f. 28. 
The Siamese specimens differed from the form described and 
figured by Ostenfeld & Schmidt 1. c. in being smaller; further 
the reticulation was less obvious. 
2 (rr) — 10 (rr). 
Area: Red Sea, Indian Ocean. 
15. C. poculum Ostenfeld & Schmidt 1. c. p. 179, f. 27. 
10 (r). 
Area: Red Sea, Indian Ocean. 
16. C. spiralis (Fol) Ostenfeld & Schmidt 1. c., p. 180, f. 29; 
Tintinnus spiralis Fol, Contribution a la connaissance de la famille 
des Tintinnodea, Arch. d. Sci. Phys. Natur. Genéve, T. III, p. 21, 
PI. I, f. 4, 1881; Undella spiralis Daday, Monographie d. Fam. d. 
Tintinnodeen, p. 565, PI. 18, f. 8, 1887. 
The specimens observed were somewhat narrowed below the 
mouth. 
