10 slides

1 - Lepisma, silverfish, w.m. of scales from body
2 - Podura, spring tail, adult w.m.
3 - Forficula, earwig, forceps of male, w.m.
4 - Forficula, earwig, w.m. of upper and lower wing
5 - Cockroach, w.m. of dissected biting-lapping mouth parts
6 - Periplaneta, cockroach, gizzard with chitinous teeth w.m.
7 - Gomphocerus, grasshopper, mouth parts w.m.
8 - Gomphocerus, grasshopper, w.m. of jumping leg
9 - Cricket, Malpighian tubules and intestine, t.s.
10 - Carausius, grasshopper, t.s. of testis showing spermatogenesis, carefully stained for meiotic and mitotic stages