OF MUTANT CHARACTERS. 



133 



Table 8. — A summary of the cross-over data involving speck. 



Loci. 



Star speck . . . 



Streak speck . 

 Dachs speck. , 



Black speck . 



Purple speck . 



Vestigial speck 



Curved speck.. 



Plexus speck . . 



Arc speck 



Blistered speck 

 Speck balloon . 



Total. 



369 



6,766 



7,135 



462 

 462 



223 



462 



685 



462 



952 



2,625 



6,766 



259 



565 

 356 



11,985 



1,446 

 146 



462 



2,054 



1,007 

 223 



462 

 952 



6,766 



632 



10,042 



327 



2,625 



36 

 462 



Cross- 

 overs. 



185 



3,264 



3,449 



242 

 231 



110 



216 



326 



218 



410 



1,116 



3,130 



95 



279 

 176 



5,474 



520 

 40 



178 



738 



262 

 71 



150 

 266 



2,062 



226 



3,037 



29 

 156 



3 

 2 



Per 



cent. 



50.1 



48.3 



48.4 



52.3 

 50.0 



49.3 



46.8 



47.6 



47.2 

 43.1 

 44.4 



46.3 



36.7 



49.4 

 49.4 



45.7 



36.0 



27.4 



38.5 



35.9 



26.0 

 31.8 



32.5 

 27.9 



35.7 



30.5 



8.9 



5.9 



8.3 

 0.4 



Date. 



1915 

 June 28 



July 11 



1914 

 May — 



May — 

 1913 



Oct. 16 

 1914 



May — 



May — 

 Aug. 24 

 Oct. 24 



1915 

 July 11 



1916 

 Feb. 7 



Feb. 8 

 Feb. 29 



1913 

 Mar. 14 

 Oct. — 



1914 

 May — 



1913 

 Mar. 10 

 Oct. 16 



1914 

 May — 

 Aug. 24 



1915 

 July 11 



1916 

 Feb. 8 



Feb. 29 



1914 

 Oct. 24 



Feb. 27 

 May — 



By — 



Bridges . . . 

 Do. 



Muller 



Do. 



Sturtevant 



Muller 



Muller 



Bridges . . . 

 Do. 



Do. 



Do. 



Do. 

 Do. 



Sturt«vant. 

 Do. 



Muller. 



Sturtevant . 

 Do. 



Muller . . 

 Bridges . 



Do. 



Do. 



Do. 



Do. 



Do. 

 Muller. . 



Reference. 



'^' — - B.C.; 180G-'08. 



S'; 



S' 



Pr C Sp 



B. C.;l8t.s; ia36-'94. 



Am. Nat. '16, p. 422. 

 Do. 



Zeit. f. i. A. u. Ver. '15, p. 245. 



.\m. Nat. '16, p. 422. 



Do. 

 »j»; Pr c Sp B.C. ; 452-508. 

 a; PrOSp balanced B.C. ; 637-686. 



S';^ 



B.C.;l8t8;1836-'94. 



Pt c Sp 



Pr fp 



hia! I fi! 3168.. 



hia: PrCSpFi; 3203-8. 

 hi a; Pr Px «p Fi: 3535. . 



Zeit. (. i. A. u. Ver. '15. p. 245. 

 Zeit. f. i. A. u. Ver. '15, p. 287. 



Am. Nat.. '16. p. 422. 



Zeit. f. i. A. u. Ver. '15. p. 245. 

 Zeit. f. i. A. u. Ver. '15. p. 247. 



Am. Nat., '16. p. 422. 

 Sp! p, c Sp B.C. ; 452-508. 



S': 



B.C. firsts; 1836-'94. 



Pt c Sp 

 111 a: Pt c 8p Ft; 3203-8. 



hia-' Pt Pi «i> ^i-" 3535. 



a; Pr a Sp balanced B.C. ; 637-686. 

 bt: -^— B.C.; 72.... 



Sp 



Am. Nat.. '16. p. 422. 



