Fig. 2 in Chloeia incerta de Quatrefages 1866

Fig. 2. Norileca indica – hermaphroditic gonad in male stages. A. anterior gonad showing the connection between the testis lobes and the ovary (200 X); B. testis (M1) showing spermatogonia (1000 X); C. testis (M2) showing spermatocytes at equatorial plate forming stage of meiosis and somatic accessory cells (1000 X); D. spermatocytes at different meiotic stages (1000 X) (semithin LS: 1 µm; Methylene blue). Testes showing E. regionalization of germ cells undergoing spermatogenesis and spermiogenesis (M3) (200 X); F. spermiogenesis (arrow showing elongation of spermatid nucleus) (1000 X); G. somatic accessory cell types (1000 X); H. somatic accessory cell, spermatophores and spermatozoa (400 X). t1, t2, t3 - testis lobes 1-3, Oo- oocyte, w- wall, psg- primary spermatogonia, ssg- secondary spermatogonia, sc- spermatocyte, sac- somatic accessory cell, oovary, fc- follicle cell, sac- somatic accessory cell, sd- spermatid, sc- spermatocyte, n- nucleus, sp- spermatophore, s- spermatozoa, sac 1, sac 2, sac 3 - somatic accessory cell types 1-3, w- wall, M- muscle.