BIBLIOGRAPHY 



Only a few references to literature are given here. More 

 complete lists can be obtained from the memoirs referred 

 to below. 



General 



KoRSCHELT. Perlen. Fortschritte der Xaturwissenschaftlichen 

 Forsclumg, Band vii. 1913. 



An excellent short summary of recent ]^ork on pearls and 

 pearl formation. 

 KuNZ and Stevenson. The book of the Pearl. Xew York, 1908. 

 This is a large and very beautiful work. It is the best 

 book of a general kind that has been published on the subject 

 and covers a very wide range. 

 Seceat. L'Huitre Perliere. Paris (1900). 



A cheai^ but quite excellent summary of the subject — 

 some sections now out of date. 



Special 



BouTAN, L. Les perles fines. Leur origine reelle. Arch. Zool. 



exper. gen.., 4 ser., T. 2, 1904. 



(The origin of the pearl sac in Mytilus is described.) 

 DiGUET, L. Sur la formation de la perle fine chez la Meleagrina. 



Comp. Rend. Acad. Paris, T. 128, 1899. 



