Chromosomes of first meiotic division of Attulus subgenus Attulus 140, 141 Attulus ammophilus, Tuva (50.6690N, 92.9844E): 140 four nuclei, three showing the two X chromosomes toward one pole 141 two nuclei showing two Xs and thirteen pairs of acrocentric autosomes 142 Attulus burjaticus, showing the two X chromosomes toward one pole, Tuva (50.677N, 92.99E). The three large spots to the lower right are spermatids.