i'ii.ut. x.w. Poisoning of Rivers. 347 



plateau j ud that it is considerably heavier. Almost the whole 



• arid up .... . .. „ .,, • ■ . .. .. 



bi ■ naming . irrow of this rain tails within a period tit tmu 

 rarixua llSmrn months, e< >iis«-ipii'iit 1 y the rivers arc subject to 



oe robs the fable V erv marked fluctuations, mighty and lasting 

 of its poetry, but ' , . , , ', ,. ,. 



i it it- ground- swellings to which the freshes on huglish 



awrihuw the ed? Btreams bear ii" comparison. An approximate 



tenoa of Oaaara j,l,. a f the size of these rivers may perhaps 



to roloamo net ion. 



Hun are also ox- he best conveyed to the English mind, by 



heaving* of eridentfi Btattng that of the two rivers which debouch 



recent date. at Mangalore, the Xetntvaty alone owns several 



tributaries, each of whicli is as large as the Thames above tidal 



influence, and many of the salmon rivers of England are puny 



indeed in comparison with those treated of in this report. 



Poisoning of J! in rs. 



7. It may be interesting to commence this subject with a 



notice of the substances used for poisoning the rivers. They 



arc : — 



Croton tigliwm, 



' Anamirta coecufots, 



Capsicum frutesaii*, 



and Kare A'W (Tulu), a Posoqia rin, probably nutans or 



longispina. 



8. Though very considerable progress has been made within 

 the last two years in Btopping the annual wholesale poisoning of 



the rivers, much still remains to be done. As 

 87th Nor., 1868, No. long as fish can be easily captured in large 

 . 82, para. 8. quantities by this means, so long will this 



species of poaehing be popular. In the wilder forest-locked parts 

 of the interior it is not easy to observe and check it, and when the 

 sympathies of the village authorities ami police are with the people, 

 it is doubly difficult.* 



11. The destructiveness of poisoning is more extensive than 

 at first sight appears. Though there may be many pools in ariver, 

 there are a few, at intervals of four or five miles, which are specially 

 affected by the larger sorts of fish. These are gem idly the deepest 



• In district* in which it h not discountenanced by the authorities, it is openly 

 inhabited parte. 



