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Enclosure 1 in No. 2. Mr. Newton to the Agent-Geneeal. Sie, — Magdalene College, Cambridge, 14th November, 1876. In fulfilment of the promise I made when I had the honor of writing to you on the sth instant, I applied to Mr. Bartlett for further details of the mode of taking rabbits in tipes, which I then attempted to describe to you. I now forward a letter I. have received from that gentleman and its accompanying plans, which I trust will more fully explain his method, and may be of service to the people of New Zealand. I would observe that I do not share Mr. Bartlett's doubts as to the difficulties attending the successful practice by any one else of his method. Such doubts are pardonable, if not to be expected, from the inventor of an ingenious device, though I should be the last person to suppose that it could be used without some trials, and the experience which those trials would give. I have, however, especially to call your attention to what Mr. Bartlett writes of a trapping-bank, constructed on the improved principle which he describes. In my former letter I think I said that I believed no one to have such an extensive and accurate knowledge of rabbits as him, and I am quite willing to recommend his suggestion even to the exclusion of my own, though I see no reason why both should not be tried. I have, &c., Sir W. Tyrone Power, K.C.B. Alfeed Newton.

Sub-Enclosure to Enclosure 1 in No. 2. Mr. Babtlett to Mr. Newton. My deae Sie, — 13th November, 1876. I have been so much engaged this week that I have had no time to spare for thinking over how to illustrate tipes and tiping. I send you a rough sketch,* if you think you can make out what it means. I conclude they would in New Zealand make the enclosure of wood, if so, mould must be placed inside to admit of a ready egress from the enclosure, or if they get frightened they'll be a long while before they go in again. I have no faith in tiping answering in New Zealand, so much depends on the little things pertaining to it, and only those who have by observation and experience arrived at the knowledge, can tell how cunning and how sensitive a rabbit is. Were it my case in New Zealand, I should buy 10 dozen good bow springed traps (these I can tell you where to get made), procure a few hundred yards of 2-ft. wire netting, have a double furrow ploughed round against the living location of the rabbits, place the wire netting on the top of the double furrow, imbedding the netting some two or three inches in the furrow, and if the rabbits be very numerous cut lots of gaps in the furrow below the wire netting and trap at these gaps. It is in fact the best of trapping-banks. A clever Maori would in three days learn how to trap as well as our country bumpkins would in three years. Your wire netting can always be moved so that no great quantity would be wanted to drive a large estate. • I have, &c, Heney A. Baetlett.

Enclosure 2 in No. 2. The Agent-Genebal to Mr. Newton. 7, "Westminster Chambers, Victoria Street, Westminster, S.W., My deae Sib, — 15th November, 1876. I beg to acknowledge with many thanks your letter of 14th instant —with an enclosure from Mr. Bartlett, to whom also my thanks are due—relative to the trapping of rabbits on a large scale. I will send copies of these papers to the New Zealand Government by the outgoing mail, for use in the colony, if found to be suitable to the local circumstances; but I own that I think, however applicable to a warren, or to any circumstances where the rabbits are to a certain extent localized, the plans would not be found of much practical use where the rabbits are so disseminated throughout the country as they are in New Zealand and the Australian colonies. I am sure, however, that in some places, and in agricultural lands, the plans may be very usefully applied. Pray believe me, Tours, <&c, A. Newton Esq., M.A. W. Tyeone Powee.

Enclosure 3 in No. 2. Mr. Newton to the Agent-Geneeai. Deab Sib, — Magdalene College, Cambridge, 17th November, 1876. Our last letters (of the 14th) crossed in the post. I now send you some further particulars which I this morning received from Mr. Bartlett, and doubt not that they are worthy of your best attention. I am very glad to think that you were interested in my account of the tipes, and I think that this mode of catching rabbits, on Mr. Bartlett's improved trapping-bank, may be found sufficient to remove the injury, without having recourse to the expedient of letting loose ferrets, stoats, or other predatory beasts, which cannot fail eventually to produce far greater mischief than that which they are intended to remedy. * See plana at end.