CONTENTS. 



CHAPTEE I. 



TUTIRA ITS PROMINENT PHYSICAL FEATURES. 



PAGE 



External configuration probable elevation of land as plateau subsidence at later period 

 responsible for eastward tilt "comb" formation key to physical outlines dry cliff 

 system wet cliff system lakes rainfall . . . . . . 1 



CHAPTEE II. 



ROCK CONSTITUENTS OF THE RUN. 



Formation of west sandstone and limestone of centre sandstone and conglomerate of 



east marl, sandstone, and limestone ....... 9 



CHAPTEE III. 



THE LAKES. 



Interpolation of new feature in geology possibilities of the past lakes probably due to 



subsidence future extinction effects of human interference . . . .12 



CHAPTEE IV. 



THE SOILS OF TUTIRA PAST AND PRESENT. 



Original order of deposition theory of pumice deposit fertility of land dependent on 



angle of inclination pumice alluvium . . . . . . .22 



CHAPTEE V. 



SUBCUTANEOUS EROSION. 



Process akin to dissolution of dead beast what water has not done gapping and fissuring 

 of countryside nitration as through blotting-paper un wrinkled soil sheet sag 

 peak country intermediate between plateau of past and plain of future pervious soil 

 sheet still on top .......... 28 



