NOTES OX THE HISTORY OF BARKED BREEDS OF 



POULTRY. 1 



RAYMOND PEARL. 



At the- pre-ent time modern Lived- "f pultrv are Lcinsj, much 

 u-ed as m, iieri.il fur tin- study of vari<>u- proLlem- in -enctic-. 

 < >n t hi - ,icc( ,u in matters connected \vith the early hi-tory of these 



1 lived- take on a general biological interest \\hich they \\oiild not 

 other\\i-e possess. It i- the purpo-e of the-e notes to call atten- 

 tion to certain hi-torical matter- \\liicli hear directlv ii]on -oine 

 proLlem< nou occupying the writer'- attention. 



I. Tin PRODUCTION 01 mi BARRED COLOR PATTERN FROM THE 



M.\n\(. MI SOLID BI.MK \\IIH SOLID \Vinn HIKM-. 



In an earlier paper from tlii- laliorator\- the folli >\\in- State- 

 ment was made respecting the origin of the l.artvd color pattern, 

 seen n-.\\ in Barred Plymouth l\<>ck and several other kind- < >\ 



poultry. 



" In regard to the origin of thi- barred color pattern in poultry 

 \ei\ lit tie can he learned. It i- knou n that the Barred Plymouth 

 l\o, k- o\\e tlit-ir Lanin;4 to the I )omini(|tie, which \\a- u-ed in 

 the i ro--inji[ which led to the proiluctioii of thi- Lived. But as 

 to the source "f the Larrinv, in the I )oininii|iic- \\c ha\ e found no 



evidence. Wright i says (p. 301) that: 'The col,ur (barring) 

 it-elf i- not .1 primaiA' one, Lut the produce of \\hite with either 

 I. lack or a \ei\ dark color. Such colour-, mated together, 



produce as the re-nit, on a \\ide average of cases, more or less 



of Llack-, white-, mottle- or -pla-he- with the plumage of Hoii- 

 dans and Ancou.i-, Lines or Line dun- like that of Line Lan^-han- 

 and Andalu>ian-, and that Llui-h Larred plumage known as 

 Dominique in America and Cuckoo in En-land. \\'lu-n once 

 produced, thi- la-t colour has however a strong tendenc\- to 

 permanence: and in the common nati\e Dominique fowl of the 



:roin tin- Hii>l<ii;ical Laboratury nt" tin- Maine Expcrinn-nt Suit inn, N T o. 36. 



1 Peat!. R.. an. I Sin la. .-, 1- '. M . "( n tlu- Inlu-iitancc of tin- Harn-d Color Pattern 



in I'niiltry." Ar^'n .iiklun^mech.. Bd. XXX. (Teil I.), pp. 45-61. 1910. 



297 



