84 



Tabulation of Data. 



Exp. 41. — Vermilion singed magenta forked. 

 Mating: vermilion singed X magenta forked. 



Per cent cross-overs: v-si, 16.3; si-m, 19.2; m-f, 5.1. 



Exp. 42. — Vesiculated hairy magenta forked. 

 Mating: vesiculated hairy X magenta forked. 



Per cent cross-overs: vs-ha, 30.9; ha-m, 6.9; m-t, 2.3; counting only vs flies, vs-ha, 19.8. 



Exps. 43 AND 44. — Vesiculated magenta forked rugose. 

 Mating: vesiculated forked X magenta rugose. 



