















| HOUWINK'S EXPER. CONC. THE ORIGIN OF SOME DOMESTIC ANIMALS 369 
A. cocks (27 specimens) 
| Original cock 201.1 AAE ake ER RC MI RODER 
| _ F,207.6; Pile lone, 19> 20% 21: 2 NRA ed 9 F, cocks 
“ F,202.1;3;4; 6. 205.1. 207.1; 2. 208.4. 209.1; 2. 201.1; 3, 
= ann 43 rico 
a nn elen ae Og cocks 
ne ch Py cock 
27 cocks 
B. Hens (21 specimens) | 

_ Originalhen 201.29. , . . .. Me A a rat tant REC 
eat, 20r.3;5;8;9;.10; 13: 14; 16; cee er RU o> FRE 
Fy 202.2. 203.2; 3. 204.1. 205.2. 200: 152.19: EE 422, 10 Ey birds 
arbi 
21 hens 
C. Backcrosses males and females 6 specimens) 
FP 428.3. 9:69 . RE Sot CET. M hens 
‘a DPF, 672.1 EE se, Len. 1 cock 
EL 2 cocks 
3 hens + 3 cocks 
D. Juvenile birds and chicks (38 specimens) 
MEOT 252626. = 2: | ea liventles 
M 504.16: 17: 18; 19; 20; 21; 22. oy 5: 6; 7. 
205.4. 207.3; 4; 5; 6; 7?; 8; 9. 208.5; 6; 7; 8. 209.5; 
B Oee er 2 Fa 29 juveniles 
FB 2209 221.7; Be 285.1 RS CARRE PS uveriles 

38 juveniles 
a The first aberrant form which came into our hands, while examining 
_ the stuffed specimens, was an exceptionally large hen: F, 201.10. As 
. PRor. PUNNETT informed us, that he knew of but one case in which a 
Bi. bird had originated from a small race e. g. in a small intermediate 
Fr; Genetica V 24 
te: 
