- 1. Testis of insect, t.s. to show spermatogenesis and cell division Lieder_4376f
- 2. Frog (Rana), testis t.s. showing spermatogenesis Lieder_4493d
- 3. Testis of frog, t.s. showing spermatogenesis. Spermatogonia, spermatocytes, spermatids, and Lieder_5008d
- 4. Spermatogenesis with meiotic and mitotic stages, sec. of testis of Carausius, grasshopper, Lieder_In238f
- 5. Astacus fluviatilis, testis t.s., spermatogenesis, cell division stages Lieder_5712e
- 6. Testis of frog t.s. showing spermatogenesis and mature spermatozoa Lieder_5915d
- 7. Testis of rabbit t.s., showing spermatogenesis Lieder_5971d
- 8. Carausius, grasshopper, t.s. of testis showing spermatogenesis, carefully stained for meiotic Lieder_74208f
- 9. Testis of crayfish, sec. showing meiosis and spermatogenesis Lieder_76015e
- 10. Testis of mouse, t.s. showing spermatogenesis Lieder_76016d
- 11. Astacus, testis t.s. with spermatogenesis Lieder_Cr139e
- 12. Rana, testis showing spermatogenesis t.s. Lieder_Am229d
- 13. Testis of mouse, t.s. showing spermatogenesis Lieder_Ma461d
- 14. Testis of rabbit, t.s. showing spermatogenesis Lieder_Ma4614d
- 15. Testis of bull, t.s. showing spermatogenesis Lieder_Ma462d