444 THE SANDWICH ISLANDS. 



present in an island or group, may have in many cases been 

 the produce of a single pair ; at all events they must certainly 

 have often been the produce of very few pairs ; such inter- 

 breeding would be expected to have left its mark on insular 

 floras and faunas. 



The Government Library at Honolulu contains a splendid 

 collection of Voyages and Travels relating to the islands, and 

 also of sumptuous illustrated works on Natural History, mostly 

 from the library of the late Mr. Harper Pease, the Conchologist. 



For a Catalogue of various works, including Zoological, Geological and 

 Botanical treatises relating to the Sandwich Islands, see Catalogue 

 d'Ou\rages relatives aux lies Hawaii, par William Martin. Paris, Challa- 

 mel Aine, Rue des Boulangers 30, 1867. The List, which forms a some- 

 what thick octavo volume, is not by any means complete, but contains an 

 immense amount of information. 



For the Land Shells, see Harper Pease, "On Polynesian Land Shells." 

 Proc. Zool. Soc, 1S71, p. 449. 



For a detailed account of the Volcanoes and their Geological Pheno- 

 mena, see W. T. Brigham, " Notes on the Volcanic Phenomena of the 

 Hawaiian Islands." Memoirs. Boston Soc. Nat. His., Vol. 1., p. 341 ; ibid., 

 p. 564. Also, J. W. Nichol, F.R.A.S., " Note on the Volcanoes of the 

 Hawaiian Islands," Proc. R. Soc. Edin. 1875-76, p. 1 13. 



