- 1. Testis of insect, t.s. to show spermatogenesis and cell division Lieder_4376f
- 2. Testis of mouse, t.s. showing Leydig's cells Lieder_4472d
- 3. Hydra with testis t.s., sexual reproduction Lieder_4488e
- 4. Frog (Rana), testis t.s. showing spermatogenesis Lieder_4493d
- 5. Testis of frog, t.s. showing spermatogenesis. Spermatogonia, spermatocytes, spermatids, and Lieder_5008d
- 6. Meiotic (maturation) stages in testis of mouse, sec. iron hematoxyline stained after Heidenhain Lieder_Ma103f
- 7. Meiotic (maturation) stages in sec. through testis of salamander, selected material showing Lieder_Ma1033f
- 8. Meiotic and mitotic stages in sec. of Salamandra testis. Many meiotic and mitotic stages can Lieder_Ma1033f  Â
- 9. Spermatogenesis with meiotic and mitotic stages, sec. of testis of Carausius, grasshopper, Lieder_In238f
- 10. Hydra with testis t.s. Lieder_5355e
- 11. Lumbricus, region of gonads showing testis, t.s. Lieder_5407e
- 12. Apis mellifica, abdomen of drone, t.s. showing testis Lieder_5564e
- 13. Helix pomatia, hermaphrodite gland (ovotestis) t.s., ova and spermatozoa Lieder_5606d
- 14. Astacus fluviatilis, testis t.s., spermatogenesis, cell division stages Lieder_5712e
- 15. Branchiostoma, region of liver and testis t.s. Lieder_5805d
- 16. Testis of frog t.s. showing spermatogenesis and mature spermatozoa Lieder_5915d
- 17. Testis of rabbit t.s., showing spermatogenesis Lieder_5971d
- 18. Testis, human t.s. Lieder_9029f
- 19. Testis, rabbit, t.s. Lieder_70501d
- 20. Testis, human, t.s. Lieder_71041f
- 21. Testis from human adult, mature stage t.s. Lieder_Ho461f
- 22. Leydig's cells in testis of mouse, t.s. Lieder_Ma2574d
- 23. Testis, in t.s. of abdomen of drone, Apis mellifica, honeybee Lieder_73918e
- 24. Carausius, grasshopper, t.s. of testis showing spermatogenesis, carefully stained for meiotic Lieder_74208f
- 25. Testis of crayfish, sec. showing meiosis and spermatogenesis Lieder_76015e
- 26. Testis of mouse, t.s. showing spermatogenesis Lieder_76016d
- 27. Hydra with male gonad (testis), w.m. * Lieder_Co1151f
- 28. Lumbricus, testis t.s. * Lieder_An141f
- 29. Astacus, testis t.s. with spermatogenesis Lieder_Cr139e
- 30. Astacus, testis t.s. specially selected for demonstration of meiosis and mitosis, carefully Lieder_Cr1391g
- 31. Helix pomatia, hermaphrodite gland (ovotestis), with ova and spermatozoa, t.s. Lieder_Mo168d
- 32. Cyprinus, testis t.s. Lieder_Pi152c
- 33. Salamandra, testis t.s., usually many meiotic and mitotic stages can be observed Lieder_Am146e
- 34. Rana, testis showing spermatogenesis t.s. Lieder_Am229d
- 35. Meiotic (maturation) stages in smear from testis of mouse, specially stained after Feulgen * Lieder_Ma1031f
- 36. Testis of mouse, t.s. showing spermatogenesis Lieder_Ma461d
- 37. Testis of rabbit, t.s. showing spermatogenesis Lieder_Ma4614d
- 38. Testis of bull, t.s. showing spermatogenesis Lieder_Ma462d
- 39. Zajec, testisi, sec. 4051
- 40. žaba, testisi, sec. 4054