8 TABLE OF CONTENTS. 



CHAPTER V. THE DAILY LIFE OF THE ROOKERIES Continued. Pa Ke . 

 The arrival at the islands Continued. 



Thei r attitudes 64 



The coloration 64 



The pelage 65 



The stagy season 65 



The arrival of the younger seals 66 



The breaking up of the breeding season 67 



The condition of the bulls 67 



The food and feeding grounds 68 



The age of the fur seals 68 



The fur seal pup 68 



The swimuiiug of the pups 69 



The excursions of the pupa 69 



Mortality among the seals 70 



Death of pups 70 



The parasite, Uncinaria 70 



The count of dead pups, 1896 70 



Comparative counts 71 



The departure of the seals 71 



The enemies of the seals 71 



The Great Killer 71 



The departure of the bachelors and bulls 72 



The swimming of the seals 72 



The rate of travel 72 



Habits of the southern fur seals 73 



Their movements 73 



They do not migrate 73 



Breeding habits 73 



Breeding grounds 74 



The fighting of the bulls 74 



Difference in time of birth 74 



CHAPTER VI. THE CONDITION OF THE FUR SEAL HERD: 



A. Past conditions 75 



Acreage measurements 75 



Their difficulty 75 



Absence of reliable surveys . . 76 



The irregular nature of the ground 76 



Chiefly guesswork 76 



M agnitude of the problem 76 



Early estimates 77 



Captain Bryant's estimate 77 



The beginning of acreage measurements 77 



Elliott's estimate of 1872-74 77 



Important assumptions 78 



The law of distribution 78 



Assumptions incorrect. 78 



The true law of distribution 78 



Stability of rookery conditions only apparent 78 



Results of Elliott's enumeration 79 



The figures unreasonable 79 



The methods of enumeration 79 



The surveys can not be verified 80 



The effect of inaccurate surveys 80 



Inadequate unit of space 80 



A more rational unit. . , 81 



