See also:

• OPALINA (so named by J. E. Purkinje and G. Valentin)

OPALINA (so named by J. E. Purkinje and G. Valentin)  , a genus of See also:

• PROTOZOA (Gr. 7rpwros, first, and i'woe, living thing)

Protozoa, without mouth or contractile vacuole, covered with nearly equal flagelliform See also:

• CILIA (plural of Lat. cilium, eyelash)

cilia, and possessing numerous nuclei, all similar . It has been referred to Aspirotricha by Biitschli, but by M . Hartog (See also:

• CAMBRIDGE
• CAMBRIDGE, EARLS AND DUKES OF
• CAMBRIDGE, RICHARD OWEN (1717-1802)

Cambridge Natural See also:

• HISTORY

History, vol. ii., 1906) has been transferred to the Flagellates (q.v.) . All the See also:

• SPECIES

species are parasitic in See also:

• COLD (in O. Eng. cald and ceald, a word coming ultimately from a root cognate with the Lat. gelu, gelidus, and common in the Teutonic languages, which usually have two distinct forms for the substantive and the adjective, cf. Ger. Kolte, kalt, Dutch koude

cold-blooded Vertebrates . See Bezzenberger in Archiv. f . Protistenkunde (1903), iii . 138 .