CONTENTS. 11 
Pace 
IV. ORIGIN OF THE BARRIER CONDITION OF REEFS, AND OF THE ATOLL 
HGEMIORICORALCISLANDS): (ia fii. Bowe) es Bo. Aloe |. 258 
be Old. Vidws: i « mele 258 
II. Darwin’s Theory of the ovina of Baitions ana ‘Aechii diel fet AOR 
III. Objections to the Subsidence Theory . . . . . . . . . 277 
MebnEeOComprernD  ATOLE «<<... 0-2 Se 6. 8 a ew ee s. BOD 
CHAPTER IV. 
GEOGRAPHICAL DISTRIBUTION OF CORAL REEFS AND ISLANDS. 335 
CHAPTER V. 
CHANGES OF LEVEL IN THE PACIFIC OCEAN, 
I. Evidences of Change of Level. . . . Eat ta 2st Prat Nal) oe oO: 
II. Subsidence indicated by Atolls and Baeeiee Reefs By te Bn mh A re eens OT 
Bbeerbitect.of the Subsidence =. . . 2 (fies. 6 + ties ws «O06 
IV. Period of the Subsidence . . . SORA, Picea, vot, en ee eerO 
VY. Elevations of Modern Eras in the Pacific Sra batetss ct cart ee Vawe eat er OOS 
CHAPTER VI. 
GEOLOGICAL CONCLUSIONS. 
SCHORMATION ORULIMESTONES Ys oe.) a ss se 8 lw Ud te BBB 
II. Beps or LimMEsTONE witH Livinc MarGins ..... . . 9887 
TI. Maxine or Tuick STRATA OF LIMESTONE. ...... =. 938 
IV. SuBSIDENCE ESSENTIAL YO THE MAKING OF THICK STRATA. . . 387 
V. Deep-Sea LIMESTONES SELDOM MADE FROM CoRAL ISLAND OR 
levaioims IDR aah Sn RBU Se Vy lee SO Oo ane ee Retr foo 
VI. ABSENCE oF FossILs FROM LIMESTONE STRATA ..... . 9899 
VII. THe wipE RANGE OF THE OLDER LIMESTONES NOT EXEMPLIFIED 
IN MopERN CORAL-REEF FORMATIONS ... -..- - 999 
WITI. CoNSOLIDATION OF CoRAL Rocks . .... .; BESS aes sen 0) | 
IX. Formation oF DOLOMITE OR MAGNESIAN Cee oF LIME . 393 
Moe NORMATIONGONS OHIATIKCn er yes Ny ee) fae ee ge BOA 
XI. Rate or IncREASE OF LIMESTONE FORMATIONS . .. .. -. .9896 
PU IMUSTONM CA VINE NS ONG cys os) cy we Nelle) ey ese! we ote OOF 
Mele tOCKANIC LHMPERATURE |  . «= ¢4.. Bre cs Cera aati euimermane 1210) 
Miva Lun OCHANIC) CORAL-ISLAND SUBSIDENCE. . «= «|. . . «+ 401 
