Chilodon capuchon. Ch. cucullules

Corps comprimé, oblong, bouts arrondis, front sous forme de bec ou oreillette. 1/96-1/12 ligne. Hab. Delft, Londres, Paris, Copenhague, Modène, Berlin, Bavière, Turin, Norwège, Orenbourg, Altaï.

Leeuwenhoëk ? Phil. Transact., vol. XI, p. 818, n° 133, 1677 (1675).

Petites huîtres, tourterelles, Joblot ? Obs. mie 1754, pl. dE p- 21, 35, pl. IV, fig. p, q, pl. V, fig. 4.

Cyclidium 3, paramecium 2, All. Hist., an. 1751, pl. I.

Hay Water animalcule, shape of a melon, Backer, the micr. made easy, 1742, p. 72.

Volvox torquilla, Ellis, Phil, Trans., 1769, p. 138, fig. 2.

Kolpoda cucullus, Müller, Verm., p. 58.

Schrank? Beytr. 1776, p. 17, pl. I, fig. 21.

Animale a becuccio Spallanzani, Opusculi, 1776, 1, p. 187, pl. IL, fig. 46,M. ;

Colpoda cucullulus, Müller, p. 1h, pl. XV, fig. Lde p. 185, pl. XXVI, fig. 13-16.

Trichoda aurantia, Müller, 1. c. ’

Ovalthierchen, Gleichen, Inf. th., pl. XXVIL, fig. 6, 7, XXVIIL, fig. 5, 8, 9,10, XXIX, fig. 3.

Colpoda cucullulus, Schrank, TL, 2, p. 73.

Ovalthierchen, Gruithuisen, Beytr., 1812, p. 302, pl. I, fig. 8, 12, 14.

Bursaria cucullus, Zory, 1830 (1822).

Paramecium colpodinum, Bory, 1824.

Plagiotricha aurantia ? ïd., 1. c. "

Cyclidium ecucullatum, aduncum, albicans, bullatum, Zosana, Mém. de Turin, 1829. “AS

Loxodes cucullulus, Mém. Berlin, 1830, p. 42, 53, pl. IV, fig. III, 1831, p. 109, 150, 1832, p. 437 (kolpoda cucullus), Isis, 1833, p. 412.

TRACHÉLIENS. 345

Euodon eucullulus, Hém. Berlin, 1833, p. 169, 174, 176, 287, 322, pl. IF, fig. 1, a-g, 1835, p. 164, 166.