154 



THE SECOND-CHROMOSOME GROUP 



Table 17. — Summary of cross-over data involving vestigial and other second- 

 chromosome loci. 



Ivoci. 



Star vestigial . . 

 Streak vestigial 

 Dachs vestigial 



Black vestigial 



Purple vestigial 



Vestigial curved 



Vestigial speck 



Total. 



450 

 462 



4,892 

 462 



5,354 



3,499 



1,268 

 694 



4,892 



5,001 



450 

 2,139 

 1,748 



20,153 



825 

 2,839 



2,335 



6,001 



462 



2,139 



13,601 



856 

 402 

 462 



1,720 



1,446 

 146 

 462 



2,054 



Cross- 

 overs. 



195 

 164 



1,456 

 129 



1.585 



632 



217 

 169 



806 



815 



99 



477 

 285 



3,578 



79 

 305 



303 



539 



60 



323 



1,609 



75 

 32 

 34 



141 



520 



40 



178 



738 



Per 



cent. 



43.3 

 35.5 



29.7 

 27.9 



29.6 



18.1 



17.1 

 24.4 



16.5 



16.3 



22.0 



22.3 



16.3 



17.8 



9.1 

 10.7 



13.0 



10.8 

 13.0 

 15.1 



11.8 



8.8 

 8.0 

 7.4 



8.2 



36.0 

 27.4 

 38.5 



35.9 



Date. 



Nov. 17, 1915 

 May — . 1914 



Dec. 10. 1913 



May — , 1914 



Sept. 10, 1912 



Sept. 10, 1912 

 June 8, 1913 



Dec. 10, 1913 



Jan. 9, 1914 



Nov. 17, 1915 

 Mar. 5, 1917 

 May — , 1917 



July 16, 1912 

 July 5,1913 



July 5, 1913 



Jan. 9, 1914 

 May — , 1914 

 Mar. 5, 1917 



Mar. 14, 1913 

 June 8, 1913 

 May — , 1914 



Mar. 14, 1913 

 Sept. — , 1914 

 May — , 1914 



By- 



Bridges . 

 Muller.. 



Bridges. 



Muller. , 



Morgan . . 



....Do... 



Sturtevant 



Bridges . . . 



Muller 



Bridges . . . 

 Plough . . . 

 Gostenhofer 



Bridges .... 

 ....Do.... 



....Do.... 



....Do.... 



Muller 



Plough .... 



Sturtevant . 

 ....Do.... 

 Muller 



Sturtevant . 

 ....Do.... 

 Muller 



Reference. 



1 «• 



• 



S' 



T — s B.C. ; table 123, this papei 



O Vg 



Am. Nat., 1916, p. 422. 



a; d h Vg balanced B.C.; II Hi- 

 ll 138. 

 Am. Nat., 1916, p. 422. 



Biol. Bui., 1914, p. 197; B.C 



Vg 



Biol. Bull., 1914, p. 198; 6 Vg B.C. 

 Zeit. f. i. A. u. V., 1915, p. 286, 



hvgc B.C. 

 d; d b vg balanced B.C.; II Hi- 

 ll 138. 

 Am. Nat., 1916, p. 422. 



« ^' 

 "? '■ T — B B.C. ; table 123, this pap« 



O Vg ^^ 



J. E. Z., 1917; bprVgB.C. 



b 



B.C.; students records. 



Pr; Pt Vg B.C.; B 36.1-B 39.2. 

 Pr; Pr Vg B.C. 1st; DA-DH. 



Pr 



pr; 



Vg 



B.C. 1st; DI-DO. 



Pr! b Pr Vg balanced B.C., II 141-67< 

 Am. Nat., 1916, p. 422. 

 J. E. Z.; 1917, bprVg B.C. 



Zeit. f. i. A. u. v., 1915, p. 245,| 



Vg c B.C. 



Zeit f. i. A. u. V., 1915, p. 247,i 



Vg C Sp B.C. 



Am. Nat., 1916, p. 422. 



Zeit. f. i. A. u. v., 1915. p. 245. 

 Zeit. f. i. A. u. V., 1915, p. 287. 

 Am. Nat., 1916, p. 422. 



