Fig. 4. N. indica male A in Chloeia incerta de Quatrefages 1866

Fig. 4. N. indica male A. spermatophores (unstained) (100 X); B. methylene blue stained single spermatophore (200 X); C. spermatophore heads showing positivity to methylene blue (1000 X); D. spermatophore (unstained) (1000 X); E. spermatozoon showing distinct nucleus, acrosome and tail (1000 X); F. spermatophores (Haematoxylin-Eosin) (400 X); G. spermatophore heads showing positivity to basic fuchsin (1000 X); H. spermatophore showing positivity to bromophenol blue (1000 X); I. spermatophore heads showing positivity to Sudan Black (1000 X). sp- spermatophore, t- tail, aacrosome, n- nucleus, h- head.