- 1. Frog (Rana), testis t.s. showing spermatogenesis Lieder_4493d
- 2. Testis of frog, t.s. showing spermatogenesis. Spermatogonia, spermatocytes, spermatids, and Lieder_5008d
- 3. Testis of frog t.s. showing spermatogenesis and mature spermatozoa Lieder_5915d
- 4. Testis of rabbit t.s., showing spermatogenesis Lieder_5971d
- 5. Carausius, grasshopper, t.s. of testis showing spermatogenesis, carefully stained for meiotic Lieder_74208f
- 6. Testis of mouse, t.s. showing spermatogenesis Lieder_76016d
- 7. Rana, testis showing spermatogenesis t.s. Lieder_Am229d
- 8. Testis of mouse, t.s. showing spermatogenesis Lieder_Ma461d
- 9. Testis of rabbit, t.s. showing spermatogenesis Lieder_Ma4614d
- 10. Testis of bull, t.s. showing spermatogenesis Lieder_Ma462d