Journal of morphology . Zeiss, 16. Foot of S. polymorphus, attached to glass. Zeiss, 17, 18. Abnormal forms of meganucleus, S. cceruleus. (17, 16 mm. X 112; 18, f = X 230.) Fig. 19. Two nodes of meganucleus, S. cceruleus, with adherent micronuclei(men.). The nodes contain vacuolar spaces. Aceto-methyl-green preparation, inH^O. ^^= X 433- 4 mm. ^ ^••^ Fig. 20. Node of meganucleus, S. cceruleus, with several vacuolar spaces ofdifferent size, containing each a highly-refractive body. Aceto-methyl-green,glycerin. Zeiss, g- = X 550. Fig. 21. Meganucleus of ^. igneus, elongated for
Journal of morphology . Zeiss, 16. Foot of S. polymorphus, attached to glass. Zeiss, 17, 18. Abnormal forms of meganucleus, S. cceruleus. (17, 16 mm. X 112; 18, f = X 230.) Fig. 19. Two nodes of meganucleus, S. cceruleus, with adherent micronuclei(men.). The nodes contain vacuolar spaces. Aceto-methyl-green preparation, inH^O. ^^= X 433- 4 mm. ^ ^••^ Fig. 20. Node of meganucleus, S. cceruleus, with several vacuolar spaces ofdifferent size, containing each a highly-refractive body. Aceto-methyl-green,glycerin. Zeiss, g- = X 550. Fig. 21. Meganucleus of ^. igneus, elongated for division. Median opticalsection, showing chromatic network. Aceto-methyl-green, H2 O. Zeiss, ^ =X630. Figs. 22-24. Nuclear multiplication in S. igneus. Zeiss, | = X 230. Fig. 25. Meganucleus, S. ignetis, with adherent micronuclei. Corrosive subli-mate, borax-carmine, benzole-balsam. Zeiss, 2 mm. homog. immers., 4 = X 857. null of Morphdhjijij I ol-1 VI- Pl XXIII. I SS cj. irii/ii /?• r ,: /--t;^, •SI
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