4 CONTENTS. 



Part II. New Data— Continued. '"*°^: 



Forked 5» 



Linkage of vermilion and forked 5" 



Linkage of cherry and forked ^9 



Linkage of forked, bar, and fused ^° 



Linkage of sable, rudimentary, and forked °^ 



Linkage of rudimentary, forked, and bar ^ 



Shifted °3 



Linkage of shifted and vermilion ^3 



Linkage of shifted, vermilion, and bar °4- 



Lethals sa and sb "4- 



Bar 66 



"Wotch 66 



Depressed °7 



Linkage of depressed and bar "7 



Linkage of cherry, depressed, and vermilion °8 



Club 69 



Genotypic club 7° 



Linkage of club and vermilion 7° 



Linkage of yellow, club, and vermilion 7° 



Linkage of cherry, club, and vermilion 72 



Green 73 



Chrome 74 



Lethal 3 74 



Lethal 3a 75 



Lethal lb 76 



Facet 76 



Linkage of facet, vermilion, and sable 77 



. Xinkageof eosin, facet, and vermilion 78 



Lethal sc 79 



Lethal sd .^ 79 



Furrowed 80 



Additional data for yellow, white, vermiHon, and miniature So- 



New data contributed by A. H. Sturtevant and H. J. MuUer 82 



Summary of the previously determined cross-over values 83 



Summary of all data upon linkage of gens in chromosome 1 84 



Bibliography 86 



