34 
Fridtjof Nansen. 
[No. 7. 
Fig. 17. Various stages of development of the spermatozoa of 
Myxine, tåken from a section, as in fig. 16. The proto- 
plasm of c contains some structures resembling vacuoli, which 
seem sometimes to occur. e and f. Nearly ripe spermatozoa. 
In h, i and 1c the nuclei have a remarkable structure and 
position, very unlike that of most spermatozoa. Zeiss. 
F, 1. (Flemmings fluid, hæmatoxylin) Drawn in the same 
way as fig. 7. 
