TADLK OF CONTENTS. 



rAQE. 



Uni-ORT UN TnTIIAN FUKSII-WATI!!! FISrtnRlliS ... J 



Ori^'iii (iC (Mi.]iiir5 — Pivvious worUcrs on tlic snl)jci>t of Imliaii fislios — 

 KiKiuirics made in 181)7— WLere ficsli-watcr lislieiies exist. 



Klvr:RS AND TnEIR EXPANSIONS ... . , i 



Kivcrs of tlic Imliim Empire — Hill rivers of India, Bomo havinsj Alpine 

 sources — Those dcstit.nto of Alpine sourecs — IJivcrs of the plains — 

 ]Iow Ihcso rivers shallow during the hot season until only .a suc- 

 cession of pools exist, .and here large fish have to remain until the 

 rains return — How some rivers have seasons of inundalions, filling 

 large lakes in the contiguous country — How lakes thus formed may 

 ho isolated or connected ones. 



JrtlllOATION WORKS ...... 7 



Irrigiition weiisor bunds — Undersluiccs, either narrow or wide, the weirs 

 inHi.Tssable to ascending fish — Narrow undersluiccs — Wide nnder- 

 sluices — Fishunahle to ascend over weirs — Irrigation canals — Simple 

 irrigation weirs — Irrigation and navigation canals. How fish arc 

 carried into irrigating canals and perish there, due to a want of 

 water — Small rivers diverted for irrigation in Malabar — Mills 

 worked by water destructive to fish. 



Tanks USEFUL AS FisnEHiES ..... 11 



Tuiilis used as fisheries — Jhils — How a natural protection may bo aflTord- 

 ed to fish. 



Tun FIStlES OF TriE FRESn-WATERS . . . .15 



Fresh-water fish — Jligr.atory and non-migratory species, some polyg.amous, 

 others monogamous — Breeding season — Spin^' rayed fishes, divisible 

 into purelj' fresh. water and partially marine forms — Physostomatous 

 order — Sealjpless family, those of hills and plains — 'Ihcir respira- 

 tion — Family of Scombresocidsc and C'yprinodontidic — The carps, 

 loaches — Sand-grubbers true carps — Oarps of the plains, migratory 

 or not so — Herring family, migratory or not so — Eels — Lopliobran- 

 chiate fishes — I'lcctognatbi — Cartil.aginous fishes. 



IvESn RATION OF INDIAN FlSIIES . . . . . 2t 



Kespiration of fishes — Water and compound breathers. 



yKsTIVATION OF FISH ...... 28 



MiauATioNs OF rrsn . . . . . .2!) 



Ureedino OF Fisn ...... 31 



Breeding fish, migratory and non -migratory ones ol Ibe pliiins —Migra- 

 tory and uou-niigratory ones of the hills — lireeding of inigraloty 

 hill fishes — Non-migratoiy lisli of the plains, some monogamous, 

 others polygamous — Migratory fresh-water fishes of the plains — 

 Migratory sea fishes. 



The fry of fresh-water fisii . . . .36 



Fry how destroyed instead of being protected. 



