192. Equatorial plate, showing 10 large chromosomes.
193-194. Tangential sections of spindle in metakinesis.
195. Anaphase of same mitosis.
196. Polar plates of a spindle, showing in each 1 small chromosome and 9 large ones.
197. Polar plates of another spindle, 10 large chromosomes in each.
198. Young spermatid, showing isolated small chromosome.
199. Young spermatid, showing isolated large chromosome and rotation of nuclear contents.
200-202a, b. Older spermatids.
203. Sperm-heads, showing centrosome and granular chromatin.
204. Equatorial plate from dividing somatic cell of male pupa, showing 19 large and 1 small chromosome.