xi The Bed of the Oceans 213 



shelf, which is formed when a loose volcanic upheaval, such 

 as Graham Island, which recently appeared in the Pacific, 

 is rapidly worn away by the waves. Most geologists now 

 recognise the greater probability and wider application of 

 the solution theory of coral reefs over the subsidence theory. 



REFERENCES 



1 J. Murray, " On the Height of the Land and the Depth of the 

 Ocean," Scot. Geog. Mag. iv. I (1888). 



2 H. R. Mill, " On the Vertical Relief of the Globe," Scot. Geog. 

 Mag. vi. 182 (1890); and "On the Mean Level of the Surface of 

 the Solid Earth," Proc. Roy. Soc. Ed. xvii. 185 (1890). 



3 J. Y. Buchanan, "On Oceanic Shoals," Proc. Roy. Soc. Ed. 

 xiii. 428 (1884); also Nature, xxxvii. 452 (1888). 



4 R. Irvine and G. S. Woodhead, " On the Secretion of Carbonate 

 of Lime by Animals," Proc. Roy. Soc. Ed. xv. 308 ; xvi. 324. 



J. Murray and R. Irvine, "On Coral Reefs, etc." Proc. Roy. 

 Soc. Ed. xvii. 79 (1889). 



5 J. Murray, " Structure, Origin, and Distribution of Coral Reefs 

 and Islands," Proc. Roy. Inst. (1888); also Nature, xxxix. 424 

 (1889). 



BOOKS OF REFERENCE 



M. F. Maury, Physical Geography of the Sea. (The earliest and 

 most interesting book on Oceanography, although the facts and 

 theories are now out of date.) Edition 1883, T. Nelson and Sons. 



Charles Darwin, Coral Reefs and Islands. (Several cheap editions 

 recently published.) 



J. D. Dana, Coral Islands. Sampson Low and Co. 



H. B. Guppy, The Solomon Islands : Geology. Swan, Sonnen- 

 schein, 1887. 



C. Wyville Thomson, The Depths of the Sea. Macmillan and Co. 



J. J. Wild, Thalassa. Marcus Ward and Qo. 



"Challenger" Reports, Narrative, Physics and Chemistry. 

 (Several volumes.) 



Reports of the Norwegian North Atlantic Expedition (Physics 

 and Chemistry}. 



A. Agassiz, Three Cruises of the "Blake.''' Cambridge, U.S., 

 1888. 



Numerous papers on Oceanography will be found in recent 

 volumes of Nature, the Scottish Geographical Magazine, and in pub- 

 lications of the Royal Societies of London and of Edinburgh, the 

 Royal Geographical Society, and the Fishery Board for Scotland. 



