54 A. H. STURTEVANT 



TABLE 8 (continued) 



BM. Pi : long yellow 9 X rudimentary gray c? 



Fi : long gray 9 X long yellow cf 



Fi: 9 9, l.g. 591, l.y. 549 



cf c^, l.g. 228, l.y. 371, r.g. 20, r.y. 3 



Pi: long gray 9 X rudimentary yellow cf 



Fi : long gray 9 X long gray cf 



F.: 9 9, l.g. 152 



cf cf, l.g. 42, l.y. 29, r.g. 0, r.y. 



2G0 

 Proportion of cross-overs, t^ 



COP. Pi: vermilion 9 X white cf 

 Fi: red 9 X vermilion cf 

 F2: 9 9, r. 320, v. 294 



cf d', r. 86, V. 206, w. 211 

 (7 of the vermilion 9 9 known from tests to be CC, 2 known to be Cc. 7 white 

 cfcf Pp, 2 pp.) 



Back cross, Fi red 9 9 from above X white cfcf, gave 

 F2: 9 9, r.l95, w. 227, 



cf cf , r. 66, V. 164, w. 184 



Out cross, Fi 9 9 as above X white cfcf recessive in P, gave 

 F2: 9 9, r. 35, V. 65, w. 98 

 cf cf, r. 33, V. 75, w. 95 



224 



Proportion of cross-overs, ;r7^ 



/48 



COR. Pi : miniature white 9 X long red cf 

 Fi : long red 9 X miniature white cf 

 Fo: 9 9, l.r. 193, l.w. 109, m.r. 124, m.w. 208 

 cfcf, l.r. 202, l.w. 114, m.r. 123, m.w. 174 

 Pi : long white 9 X miniature red cf 

 Fi: long red 9 X long white cf 

 Fa: 9 9 l.r. 194, 1. w. 160 



cfcf l.r. 52, 1. w. 124, m.r. 97, m.w. 41 



563 

 Proportion of cross-overs, , _„, ; or, adding such available figures from 

 loul 



Morgan ('11 d) and Morgan and Cattell ('12) as are not complicated 



1643 

 by the presence of yellow or brown flies, 



4749 



COM. Pi : long white 9 X rudimentary red cf 



Fi: long red 9 X long white cf 



Fo: 9 9, l.r. 157, l.w. 127 



cfcf, l.r. 74, l.w. 82, ru.r. 3, ru.w. 2 



76 



Proportion of cross-overs, rrr 



161 



