AUTHOR'S ABSTRACT OF THIS PAPER ISSUED BY 
THE BIBLIOGRAPHIC SERVICE, FEBRUARY 16 
INHERITANCE OF COAT-COLOR IN CATS 
P. W. WHITING 
Zoological Laboratory of the University of Pennsylvania 
TWO PLATES 
CONTENTS 
l- Introduction: The color=factors of domestic cats...............-:+-.-- 539 
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Les Bc axe birayes en ako Mp(Ol ka ava keener ene Pee A Nor Om nh ic, ola a5 oc eee 550 
a. Statement of factorial differences and description of char- 
AC CTS ees creer, ek Cede ai len ceed ee ry NUE a ath a aa URE Del 550 
bevbixpenim enitalicla tative se, nd. loot ase Sin cr en ial creTle 554 
Cuebhesnumberorlocimmvolvedas arene en sa eeiiicee c 558 
da ehysiology, on color-production.. yess. oe aaa ees ee OOS 
Me eihekoricinmofecolor;varieties or thercate. ae anaes eee oe ier 560 
LAs $SRIUTTTT Ea 7 ae en SaaS gale Ra SERS ee is A a 562 
Wamliiiteraturerciteds. cic cce scce oleae se ne Cee. oI EE Emo en eis 564 
I. INTRODUCTION: THE COLOR FACTORS OF DOMESTIC CATS 
In a series of experiments begun at the University of Penn- 
sylvania in the autumn of 1914 and extending up to the present 
time, the inheritance of coat-color in cats has been investigated. 
Although the number of litters obtained has not been large, it 
has been found possible to determine several points in regard 
to the mechanism of heredity by means of critical crosses. This 
has been largely due to the fact that the characters studied seg- 
regate for the most part cleanly from each other so that it has 
been easy to classify the animals. 
My thanks are due to Dr. McClung and to Dr. Colton for the 
kindly interest which they have taken in the work and to the 
539 
