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he has returned to the country from which he has been extradited, or until he has had an opportunity of returning to it, shall not be detained or brought to justice in the State to which he has been handed over for any crime or on any other charge whatever prior to the extradition, except those in respect of which the extradition has been accorded. Neither shall that person, until lie has had an opportunity of returning to the country from which he has been extradited, be handed over to a third State. Article 2. The present convention shall be ratified, and the ratifications shall be exchanged at London, as soon as possible. It shall come into force ten days after its publication in the manner prescribed by law in the respective countries, and shall have the same force and duration as the treaty (o which it relates. In witness whereof the respective Plenipotentiaries have signed the present convention, and have affixed (hereto their seals. Done in duplicate, at London, the 3rd March, 1911. E. Grey. Lalaing.

No. 92. New Zealand, No. 312. My Lord, — Downing Street, 6th September, 1911. With reference to my despatches No. 44, of the Bbh February, and No. 195, of the 2nd June, I have the honour to state that I should be glad to learn at the early convenience of your Ministers whether they desire to adhere to the Berne Convention of 1906 for the prohibition of the use of white phosphorus in the manufacture of matches. I have, &c, L. HAKCOURT. G-overnor the Right Hon. Lord Islington, K.C.M.G., D.5.0., &c. No. 93. New Zealand, No. 313. My Lord,— Downing Street, 7th September, 1911. With reference to my despatch, No. 83, of the 10th March, I have the honour to transmit to you, for the information of your Ministers, two copies of a circular instruction which has been issued by the Board of Trade relative to the examination of engineers in the mercantile marine. I have, &c, L. HARCOURT. Governor the Right Hon. Lord Islington, K.C.M.G., D.5.0., &c. Enclosure. (For official use.) Examination or Engineers.—lnstruction to Examiners and Notice to Candidates. (Circular 1506.) Board of Trade (Marine Department), August, 1911. In future, candidates forTextra first-class certificates may be allowed to use their own tables of fourfigure logarithms if they so desire. In allowing the use of such tables, examiners should be particularly careful to see that they contain no notes, formulae, or other information, either printed or written, apart from the actual tables of logarithms and trigonometrical ratios ; and before the commencement of the examination any tables which the candidates propose to use should be examined to see that no other matter is contained in them. H. Llewellyn Smith, Secretary. Walter J. Howell, Assistant-Secretary. No. 94. New Zealand.—Miscellaneous. My Lord,— Downing Street, 6th September, 1911. I have the honour to transmit to you, for the consideration of your Ministers, the accompanying papers relating to a scheme for the more extended investigation of the noxious insects which occur in different parts of the Empire.

No. 93. New Zealand, No. 313. My Lord, — Downing Street, 7th September, 1911. With reference to my despatch, No. 83, of the 10th March, I have the honour to transmit to you, for the information of your Ministers, two copies of a circular instruction which has been issued by the Board of Trade relative to the examination of engineers in the mercantile marine. I have, &c, L. HARCOURT. Governor the Right Hon. Lord Islington, K.C.M.G., D.5.0., &c.

Enclosure. (For official use.) Examination or Engineers.—lnstruction to Examiners and Notice to Candidates, (Circular 1506.) Board of Trade (Marine Department), August, 1911. In future, candidates first-class certificates may be allowed to use their own tables of fourfigure logarithms if they so desire. In allowing the use of such tables, examiners should be particularly careful to see that they contain no notes, formulae, or other information, either printed or written, apart from the actual tables of logarithms and trigonometrical ratios ; and before the commencement of the examination any tables which the candidates propose to use should be examined to see that no other matter is contained in them. H. Llewellyn Smith, Secretary. Walter J. Howell, Assistant-Secretary.

No. 94. New Zealand.—Miscellaneous. My Lokd, — Downing Street, 6th September, 1911. I have the honour to transmit to you, for the consideration of your Ministers, the accompanying papers relating to a scheme for the more extended investigation of the noxious insects which occur in different parts of the Empire.

A.-2, iyii No. 138.