MADRAS FISHERIES DEPARTMENT. 



THE INDIAN BECHE-DE-MER INDUSTRY: 



ITS HISTORY AND RECENT REVIVAL 



BY 



JAMES HORNELL, f.l.s., 



Government Marine Biologist, Madras. 



Report No.4 (f9I7), 

 Madras Fisheries Bulletin, Vol. XI, pages / 19 to 150, 



MADRAS: 



PRINTED BY THE SUPERINTENDENT, GOVERNMENT PRESS. 



1917. 

 Pricb, 4 onnat.j [4 pettfe. 



