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Show 422 INFUSORIA. VIBRIO, Mull. . d d slender like a bit of thread. Where the body lS roun an It is to this genus that ~elong the tended Eels that are seen in viV. glutinis et aceh, or the p:ehabit the formet· are frequently t Those that 1n ne(J'ar and pas e. It is asserted that they change 0 . 1 the naked eye. . . . Perceptlb e to s produce hvmg young ones m . 'st of two sexe , . . their skm, consl . Freezing wlll not k1ll them. d gs ln autumn. summer, an eg . pearance in diluted paste. The others make thelr ap ENCHELIS, Mull. f d less determined than that of a Where the body is oblong, so ter, an Vibrio. In CYCLIDIUM It is flat and oval. In PARAMECIUM. It is flat and oblong. In KoLPODA It is flat and sinuous. In GoNIUM It is flat and angular. And in BuRS ARIA Hollow like a sac. IIOMOGENEA. 423 The most singular genus of the whole is the PROTEUS, Lin. No determinate form can be assigned to them; thdr figure changes every instant, and is sometimes rounded, sometimes divided and subdivided into thongs, in the most odd and singular manner( 1 ). MoNAs, Mull. The Monades, viewed under the microscope, resemble points moving with great rapidity, a1though destitute of any apparent organ of motion. VoLvox. A globular body revolving on its axis and frequently containing smaller globules which are doubtless the continuation of the race. ( 1) Proteus dijfluem, Rres., DI, ci; Encyc., I, 1, a.--m;-Prot. teruu:, Mi.ill., Inf., IT, 13-18; Encyc., I, 2, a-f. For other details concerning all these animals, see the posthumous work of Othon Frederick MUller, entitled, .B.nimalcula Infusoria, the plates of which have been copied in the Encyc. Methodique. See also Rres., III, and for the classifica· tion, the work already quoted of M. Bory Saint-Vincent. (2) M. Audouin and M. Edwards, Ann. des Sc. Nat.; XI, pl., XVI have adopted this opinion of M. Grant. |