206 



INHERITANCE, FERTILITY, AND SEX IN PIGEONS. 



Table 183. — Normal incubation time of ring-doves (cf-1 X 9 ^-1). 



4 to 5 p.m. Apr. 15 



S"" .38"' a.m. Apr. 17 



S"" 15™ to 5^ 45™ p.m. May 

 8 to H^ .30"' a.m. May 15. . . 



4'' 46"' p.m. June 18 



8 to 8'' 45"* a.m. June 20. . . 



3G' 



' p.m. July 25 

 ' a.m. July 27 



4'' 40"" p.m. Aug. 31. 



3'' 30'" to 5'' 30'" p.m. Dec. 

 9'' 20'" a.m. Dec. 23 



12 to 6 p.m. Mar. 28. 



12 to 6 p.m. Mar. 28. 



5 to 7 a.m. Apr. 30 . . 



Opened. 



5 to 7 a.m. May 28. . 



5 to 7 a.m. May 29. . 



a.m. July 4 . 

 a.m. July 5 . 



5 to 6 a.m. Aug. 9. .. 

 12'' 30™ p.m. Aug. 10. 

 Sept. 16 



10 a.m. Oct. 31 



2 p.m. Oct. 31 



12 to S*- 30'" p.m. J 



1896 

 2 p.m. Jan. 6, 1890. 



IS das. 18 to 20 hrs. 



14 (las. Ic.'is 4 hrs. at least. 



14 (las. IJliis. iiraily. 



14 das. less 4 hrs., at least. 



15 das. 8 to 12 hrs. 



14 das. 3 hrs. 40 m. (A 15) 



Table 184. — Incubation time of eggs of cf allia ; 



. {ring) X 9 homer. 



1. June 16, 1897 i No development . 



1. June 18 I No development . 



p.m. June 28 i Development began ; egg 



p.m. June 30 1 No development. 



6 p.m. July 13 i No development. 



p.m. July 15 No development. 



5 to 6 p.m. July 29 No development. 



Before 4 p.m. July 31 j No development. | 



p.m. Aug. 12 I No development. i 



p.m. Aug. 14 No development. | 



5'' 37™ p.m. .\ug. 29 I Developed only for a week 



j or 10 days, then failed, 



p.m. Aug. 31 No development. 



5I1 20™ p.m. Oct. 7 j No development. 



p.m Get. 9 I No development. 



No development. 

 No development. 



5'' 18™ p.m. Oct. 23. 



p.m. Oct. 25 



p.m. Dec. 16 I No development. 



p.m. Dec. 18 I No development. 



p.m. Jan. 9 9 a.m. Jan. 27 17 { 



p.m. Jan. 11 No development. 



No development. 



3'' 30™ to 4 a.m. Feb. 28. . . , 15 ( 



Removed after 4 or 5 days 



G"" 15™ p.m. Fel). 10 

 2'' 55™ p.m. Fel). 12 



Table 185. — Concomitant incubation: Two 



lis, with eggs interchanged. 



d' Archangel (Ar 1) . . . 

 9 Ring-dove^D 2) . . . 

 cf Ring-dove (G) 1 f Z 



,f Bl 

 1\B2 



9 Ring-dove (G) 



cf Black Jap, tumbler (T 3) . 



9 Ring-dove (LI) 



cf Ring-dove (C) 



9 Ring-dove (C) 



\Z2 



/HI 

 \H2 



4to6p.m. Feb. 19. 

 7 to 9 a.m. Feb. 21 . 



Pricked shell 



No development. 



12 to 2 Mar. G... 

 5 to 6 a.m. Mar. 7 



5 to Ga.m. Ma 

 p.m. Mar. 7.. 



14 das. 10 to 21 hrs. 

 13 das. 21 to 22 hrs. 



IS das. 19 to 20 hrs. 



15 das. 12 hrs., nearly. 



14 das. (A 15) 



