90 



Tabulation of Data. 



Linkage Experiments on Genes Group II. 

 (Experiments 54 and 55.) 



Exp. 54. — Confluent concave. 



Mating: confluent X concave. 

 2 cultures (V 674, 729). 



Non-cross-overs (C 59; cc 64) 123 



Cross-overs (C cc 36; + 54) 90 



Total 213 



Per cent cross-overs, C— cc 42.2. 



Exp. 55. — Confluent broken. 



Mating: confluent X broken. 

 2 cultures (M 299, 318). 



Non-cross-overs (C 74 ; b 65) 139 



Cross-overs (C b 38; + 55) 93 



Total 232 



Per cent cross-overs, C— b 40.0. 



Linkage Experiments on Genes in Group III. 

 (Experiments 56 to 61.) 



Exp. 56. — Scaly spread. 



Mating: scaly X spread. 



5 cultures (M 363-5. 368-9). 



Non-cross-overs (S 86; sp 87) 173 



Cross-overs (S sp 23; -1- 31) 54 



Total 227 



Per cent cross-overs, S-sp 23.8; counting 

 only S flies, S-sp 21.1. 



Exp. 57. — Scaly hunch. 



Mating: scaly X hunch. 

 2 cultures (L 421, 426). 



Non-cross-overs (S 55 ; h 44) 99 



Cross-overs (S h 9 ; + 26) 35 



Total 134 



Per cent cross-overs, S— h 26.1; counting 

 only S flies, S-h 14.0. 



Exp. 58. — Scaly telescoped. 



Mating: scaly X telescoped. 

 2 cultures (V 1256, 1258). 



Non-cross-overs (S 145; t 168) 313 



Cross-overs (S t 95; -I- 142) 237 



Total 650 



Per cent cross-overs, S— t 43.0; counting 

 only S flies, S-t 39.6. 



Exp. 59. — Spread garnet. 



Mating: spread X garnet. 

 2 cultures (M 379, 386). 



Non-cross-overs (sp 39 ; G 43) 82 



Cross-overs (sp G 24; -|- 35) 59 



Total l41 



Per cent cross-overs, sp-G 41.8. 



Exp. 60. — Scaly hunch telescoped. 



Mating: scaly X hunch telescoped. 



8 cultures (E 519-20, 522-24, 530, M 252, 295). 



Non-cross-overs (S 261 ; h t 279) 540 



Co. region 1 (S h t 123 ; -|- 260) 383 



Co. region 2 (S t 68; h 64) 132 



Co. region 1-2 (S h 27; t 55) 82 



Total 1,137 



Per cent cross-overs, S-h 40.8, h-t 18.8; 

 counting only S flies, S— h 31.3. 



Exp. 61. — Scaly hunch telescoped garnet. 



Mating: scaly hunch telescoped X garnet. 

 2 cultures (M 375-6). 



Non-cross-overs (S h t 32; G 60) 82 



Co. region 1 (S G 19; h t 15) 34 



Co. region 2 (S h G 1 ; t 2) 3 



Co. region 3 ( S h t G 23; -f- 33) 66 



Co. region 1-2 (S t 2 ; h G 4) 6 



Co. region 1-3 (S 5 ; h t G 22) 27 



Co. region 2-3 (S h 2; t G 4) 6 



Co. region 1-2-3 (S t G 0; h 5) 6 



Total 219 



Per cent cross-overs, S-h 32.8, h-t 9.1, 

 t-G 42.9; counting only S flies, S-h 30.9. 



Linkage Experiments on Genes in Group IV. 

 (Experiments 62 and 63.) 



Exp. 62. — Pinched hump. 



Mating: pinched hump X wild-type. 



(a) (P hp - +) 9 X P hp cj^ , 1 culture (L 339) 



Non-cross-overs P hp 25; (P) 32 57 



Cross-overs P 0; (P) hp 



Total 57 



(6) (P hp - +) 9 X hp cf, 2 cultures (L 350, 

 (393). 



Non-cross-overs (P) hp 38; -)- 56 94 



Cross-overs (P) 1?; hp 21 



Total 95 



Per cent cross-overs, P-hp 0.0. 



Exp. 63. — Pinched acute. 



Mating: pinched X acute. 



9 cultures (L 565, 579; E 971-2, 1089, 1096-99). 



Non-cross-overs (P) 515; ac 463 978 



Cross-overs (P) ac 0; -|- 



Total 978 



Per cent cross-overs, P— ac 0.0. 



