xiv CONTENTS 



CHAPTEE XX. 



THE CHARTOGRAPHERS OF THE STATION. 



Swine as surveyors cattle and horse trails sheep-paths change of drove-roads into lines 

 of shrubbery sinuosities of walking paths straightened competition of pack trails 

 for traffic wind-blows returfed ovine viaducts sleeping- shelves earth-bubbles 

 mud-banks 180 



CHAPTEE XXI. 



STOCKING AND SCOUR. 



Transformation from sponge to slate fluctuations of streams changes in estuaries 



hardening of hills effect on pasture ....... 198 



CHAPTEE XXII. 



FUTURE OF NATIVE AVIFAUNA. 



Former exuberance of bird life reasons of diminution hopes for the future successful 

 adaptations value of cliff and gorge factors in race maintenance question of 

 positive protection .......... 203 



CHAPTEE XXIII. 



THE PARTNERSHIP OF H. G.-S. AND T. J. S. 



"Wool at bedrock price a second start "making" of country and feeding of stock flock 

 of ewes and hoggets only light clip big sale of surplus stock reduction in death- 

 rate considered improvements early agriculture burning and surface sowing 

 increase of flock .... 220 



CHAPTEE XXIV. 



THE NATURALISED ALIEN FLORA OF TUTIRA. 



Colonisation of world by British weeds annals of station marked in alien plants each 

 phase in station life responsible for new acclimatisation invasion accelerated by 

 motor traffic difficulties in grouping lists of plants ..... 242 



CHAPTEE XXV. 



STOWAWAYS. 



Methods of spread impossibility of prevention action taken always too late the life 



of a sack ..... 252 



