- 1. Astacus fluviatilis, gills t.s., epithelium and vessels Lieder_5701c
- 2. Astacus fluviatilis, striated muscle l.s., showing striations very clearly Lieder_5702d
- 3. Astacus fluviatilis, antenna (decalcified) t.s., showing the chitinous skeleton Lieder_5703d
- 4. Astacus fluviatilis, compound eye l.s. Lieder_5704e
- 5. Astacus fluviatilis, green gland t.s., an excretory organ Lieder_5707c
- 6. Astacus fluviatilis, stomach t.s., internal chitin layer Lieder_5708c
- 7. Astacus fluviatilis, intestine t.s., folds of mucous membrane Lieder_5709c
- 8. Astacus fluviatilis, liver t.s., glandular tubules for reabsorption of food Lieder_5710c
- 9. Astacus fluviatilis, ovary t.s., development of ova Lieder_5711d
- 10. Astacus fluviatilis, testis t.s., spermatogenesis, cell division stages Lieder_5712e