PLATE 1 
EXPLANATION OF FIGURES 
1 Diagram to show the migration path of the sex-cells in Chrysemys mar- 
ginata. 
2 Diagram to show the migration path of the sex-cells in Rana pipiens. 
PLATE 2 
EXPLANATION OF FIGURES 
3 Diagram to show the migration path of the sex-cells in Lepidosteus osseus. 
4 Diagram to show the last phase of the migration of the sex-cells in Lepi- 
dosteus osseus. , 
5 Diagram to show the migration path of the sex-cells of Amia calva. 
6 Diagram to show the last phase of the migration of the sex-cells in Amia 
calva. 
JOURNAL OF MORPHOLOGY, VOL. 22, NO. 1 
