Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 a FIG. 144.—a, Sfylonychia mytilus, in process of conjugation. The nucleus is depicted c nriug division (Balbiani's so- called ova); the nucleoli have divided into four spheres (sup- posed spermcapsules). 6, Stylonychia filled with parasitic Sphcerophrya (after Balbiani). Nb FIG. 145.—Stylonychia mytihtg in process of conjugation, slightly magnified, (treated with acetic acid), (after Biitschli). «, Stage of conjugation with two nucleoli (paranuclei); Nb, the four pieces into which th
Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 a FIG. 144.—a, Sfylonychia mytilus, in process of conjugation. The nucleus is depicted c nriug division (Balbiani's so- called ova); the nucleoli have divided into four spheres (sup- posed spermcapsules). 6, Stylonychia filled with parasitic Sphcerophrya (after Balbiani). Nb FIG. 145.—Stylonychia mytihtg in process of conjugation, slightly magnified, (treated with acetic acid), (after Biitschli). «, Stage of conjugation with two nucleoli (paranuclei); Nb, the four pieces into which the nucleus has divided in each individual. 4, Stage of conjuga- tion with four nucleoli, of these JV' becomes the nucleus, and «' the two nucleoli; JV4, the four remaining pieces of the old nucleus, c, Stylonychia on the sixth day after conjuga- tion with nucleus and two nucleoli. fuse together to form a single oval body (Bulbiani), the substance of which takes a finely fibrous structure previous to further fission,
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