CONTENTS. 



Page 



Introductory i 



French Fish-farming at Arcachon 4 



Construction of sluices ... ... . 7 



Methods of stocking with fry . ... ... ... ... ... 9 



Freshening the ponds ... .. ... ... ... ... ... n 



Feeding and care of the fish ... ... ... ... ... ... 12 



Wintering ponds ... ... ... .. ... .. ... .. 13 



Methods of capturing the fish reared in the ponds 14 



Age and growth of mullet, eels and bass ... ... ... ... 16 



Extent and profits of the Arcachon industry ... ... ... 16 



Descriptions of the photographs reproduced ... ... ,.. 19 



The Communal Fish-Farms of Comacchio 21 



Descriptive and historical ... ... ... ... ... 24 



The stocking of the lagoon 31 



The construction and use of tresse 33 



Methods of fishing the lagoon 36 



Description of a fishing labyrinth ... ... 39 



Boat-locks in Service-passages ... ... ... 41 



The causes of bad seasons ... ... .. ... ... ... 41 



Remedies suggested ... ... ... ... ... ... 46 



The disposal of the products 47 



Method of marinating eels ... ... ... ... ... ... 50 



Do. do. smelts ... ... ... ... 51 



The storage and transport of live eels 52 



Administration .. -.. .. 53 



Revenue 55 



Proposed reclamation of the lagoon ... . ... 58 



Conclusions 59 



The Scope for marine fish-farming in India ... 63 



The species of fishes suitable 63 



Table of salinity tolerance of certain fishes ... ... ... 65 



Life-cycle and migrations of eels ... ... ... ... 68 



Habits and growth of eels ... ... ... . ... ... 70 



Habits and growth of mullet ... ... ... ... 72 



Habits of Polynemids 73 



Habits of Pomfret 74 



Do. Sea-breams 75 



Do. the Koduva (Lates calcarifa) ... .. ... ... 75 



Do. Sillago sikama, the Madras " whiting " ... ... ... 75 



The spawning time of smelts 76 



Flatfishes ... ... .. ... ... 76 



Catfishes 76 



The Waters available and suitable in the Madras Presidency. 77 



Backwaters and estuarine creeks 77 



Salt-pan channels 79 



Estuarine and deltaic marshes 80 



Procedure suggested to meet local conditions in India ... 81 



