214. First spermatocyte, equatorial plate, x the unequal bivalent.
215. First spermatocyte, late prophase.
Galerita bicolor (Family Carabidæ).
216. Equatorial plate of spermatogonium, 30 chromosomes—29 large, 1 small.
Anomoglossus emarginatus (Family Carabidæ).
217. First spermatocyte, growth stage, x the odd chromosome.
218. First spermatocyte, prophase.
219-220. First spermatocytes, metaphase, x the odd chromosome.
221. First spermatocyte, equatorial plate.
222. First spermatocyte, daughter plates containing 18 and 19 chromosomes, respectively.