INDEX 



Artificial pearls, 64, 118, 127 

 stimulation as a means of 

 forming, 66, 128 



Baroche pearls, 62 

 Blisters, 53, 64, 66, 95 



Cameos, 122 



Ceylon pearl oyster, 12 



attachment ground of, 46 



classification of, 18 



development of, 42 



enemies of, 30, 50, 134 



external features and shell 

 of, 18-25 



mantle of, 25 



muscles of, 27, 29 

 Colour of pearls, 5, 63 

 Composition of pearls, 61 

 Cultivation of pearls, 129 



Definition of pearls, 52, 53 

 Drilling of pearls, 119 

 "Dying" of pearls, 120 



Famous pearls, 120 



Government commission (Herd- 

 man's), 104, 130 



Inspection of pearl grounds, 73 



Medieval use of pearls as medicine, 

 7 



Nuclei of pearls, 59, 98, 111 



Occurrence of pearl oysters, 12 

 Origin of pearls, 8, 91, 102 



Paars, 46 



artificial, 44, 49, 133 

 Parasites of pearl molluscs, 96, 



99 

 Pearls 



references in Classics to, 4, 5 



in edible mussel, 15, 98 



in plants, 123 



references in Scriptures to, 

 1, 2 

 Pearl fisheries 



American, 88 



Austrahan, 13, 85, 128 



Ceylon, 2, 10, 68, 130 



European, 7, 9, 14, 89 



Japanese, 88 



Persian, 83 



Science and pearl fishing, 125 

 Separation of pearls, 81 

 Skinning of pearls, 58, 119 

 Stringing of pearls, 119 



Theories of pearl formation, 93 

 et seq. 



Valuation of pearls, 118 



Value of pearl fisheries, 117, 134 



Varieties of pearls, 54, 107 



Cambridge: printed by john clay, m.a. at the university press 



