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f trap fresh W water a t e r pests afe s t s porpoise catching in the river and gulf of st lawrence is 1 being success fully prosecuted by mr campbell me ile nab the well known trapper and hunt er mr macnab has guided many in fluent lal ial hunting bartles to success not the least ot of which have come to canada from europe in search of big game his ills success in porpoise catch ing has not been exceeded by anyone engaged la in the same line in the st SL lawrence at least these amphibious animals are known to be destructive to fish life and naturalists consider that a barrel of fish per day isa very low estimate of what one of them will consume the destra destruction of the pests Is therefore in the public interest and it has often urged that a fair bounty should be paid for their capture the trouble hitherto has been to find anything strong eno agh to retain the per porpoises wa alses when they have been secured within an inclosure mr macnab has over come this dl diO culty in a very ingenious manner the very minute ear of the porpoise is an e extremely delicate organization and eo co sensitive to any vibration in the water that it will not attempt to pass it with the aid of 0 this knowl edge which Is the result of many years of close study of the animal mr macnab has succeeded in arranging a very simple device for securing the porpoises which have been driven over a shoal at high tide and tor for pre pro venting their return with the falling tide in this manner be he expects to secure many thousands of the ani ant mals in a season the device was tried the oth other er day d ay at the mouth of the portneuf Port neuf river below the nay where mr air macnab has le leased ased the shoal from the P provincial government for a term of years some sixty nine porpoises being thus secured porpoises follow salmon for some distance up their riv ers and the number which they des troy Is said to be ver very y large quebec telegraph |