CONTENTS OF VOLUME I. 



INTRODUCTION 



CHAPTEE I. 



DOMESTIC DOGS AND CATS. 



ANCIENT VARIETIES OF THE DOG — RESEMBLANCE OF DOMESTIC DOGS IN VARIOUS 

 COUNTRIES TO NATIVE CANINE SPECIES — ANIMALS NOT ACQUAINTED WITH MAN AT 

 FIRST FEARLESS — DOGS RESEMBLING WOLVES AND JACKALS — HABIT OF BARKING 

 ACQUIRED AND LOST — FERAL DOGS — TAN-COLOURED EYE-SPOTS — PERIOD OF 

 GESTATION — OFFENSIVE ODOUR — FERTILITY OF THE RACES WHEN CROSSED — 

 DIFFERENCES IN THE SEVERAL RACES IN PART DUE TO DESCENT FROM DIS- 

 TINCT SPECIES — DIFFERENCES IN THE SKULL AND TEETH — DIFFERENCES IN THE 

 BODY, IN CONSTITUTION — FEW IMPORTANT DIFFERENCES HAVE BEEN FIXED BY 

 SELECTION — DIRECT ACTION OF CLIMATE — WATER-DOGS WITH PALMATED FEET — 

 HISTORY OF THE CHANGES WHICH CERTAIN ENGLISH RACES OF THE DOG HAVE 

 GRADUALLY UNDERGONE THROUGH SELECTION — EXTINCTION OF THE LESS IM- 

 PROVED SUB-BREEDS. 



CATS, CROSSED WITH SEVERAL SPECIES — DIFFERENT BREEDS FOUND ONLY IN 

 SEPARATED COUNTRIES — DIRECT EFFECTS OF THE CONDITIONS OF LIFE — FERAL 

 CATS — INDIVIDUAL VARIABILITY ,, j5 



CHAPTEE II. 



HOESES AND ASSES. 



HORSE. -DIFFERENCES IN THE BREEDS — INDIVIDUAL VARIABILITY OF — DIRECT 

 EFFECTS OF THE CONDITIONS OF LIFE - CAN WITHSTAND MUCH COLD - BREEDS 

 MUCH MODIFIED BY SELECTION - COLOURS OF THE HORSE -DAPPLING - DARK 

 STRIPES ON THE SPINE, LEGS, SHOULDERS, AND FOREHEAD - DUN-COLOURED HORSES 

 MOST FREQUENTLY STRIPED - STRIPES PROBABLY DUE TO REVERSION TO THE 

 PRIMITIVE STATE OF THE HORSE. 



ASSES. -BREEDS OF -COLOUR OF - LEG- AND SHOULDER- STRIPES - SHOULDER- 

 STRIPES SOMETIMES ABSENT, SOMETIMES FORKED 49 



CHAPTEE III. 



PIGS — CATTLE — SHEEP — GOATS. 



PI( tLTpT T ° TW ° MSTLNCT TYPES ' SUS SCR0FA AKD IN ™CA - TORF-SCHWELN - 

 CULTll™ ^T 1 ™ ° F CB0SSED HGS ~ CHANGES » THE *™ OF THE HIGHLY 

 ZZ^-Z^T 7 C °* VERGENCE 0F CHARACTER - GESTATION - SOLID-HOOFED 

 VOTTVr vrc i 2 r ^^ AGES T0 ™E JAWS - DECREASE IN SIZE OF THE TUSKS - 



CATTLE ^K T INALLY S ™ - FERAL HGS - cr ossed breeds. 



R ™!1 DISTINCT SI>ECIES - EUROPEAN CATTLE PROBABLY DESCENDED 



FROM THREE WILD FORMS m ™,™ ™. 



"«*H ALL THE RACES NOW FERTILE TOGETHER — BRITISH 



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