22 and 23 (_e_) of the _Reglement_ annexed to The Hague Convention of 1899 "concerning the Laws and Customs of War on Land," as quoted in the letter, have been textually reproduced in Arts.

22 and 23 (_e_) of the _Reglement_ annexed to the Hague Convention, No.iv.of 1907, on the same subject, ratified by Great Britain on November 27, 1909.
The written agreements as to the choice of weapons may be taken therefore to start from the general principles laid down in the preamble to the Declaration of St.Petersburg (though held by some Powers to err in the direction of liberality), and in Arts.

22 and 23 (_e_) of The Hague _Reglements_.

The specially prohibited means of destruction are, by the Declaration of St.
Petersburg, explosive bullets; by The Hague _Reglements_, Art.
23 (_a_) poison or poisoned arms; by The Hague Declarations of 1898, Nos.

2 and 3, "projectiles the sole object of which is the diffusion of asphyxiating or harmful gases," and "bullets which expand or flatten easily in the human body, such as bullets with a hard casing, which does not entirely cover the core, or is pierced with incisions." As to Declaration No.