852 



Article II. The high contracting parties agree to establish laws, 

 regulations and provisions to satisfy the need set forth in the preceding 

 Article, including: , ., .^ • 



A) The establisJtment of close seasons, which will prohibit m cer- 

 tain periods of the year the taking of migratory birds, their nests or 

 eggs, as well as their transportation or sale, alive or dead, their prod- 

 uces or parts, except when proceeding, with appropriate authorization, 

 from private game farms or when used for scientific purposes, for 

 propagation or for museums. 



B) The establishment of refuge zones in which the taking of such 

 birds will be prohibited. 



C) The limitation of their hunting to four months m each year, as a 

 maximum, under permits issued by the respective authorities in each 



case. 



T>) The establishment of a close season for wild ducks from the 

 tenth of March to the first of September. 



E) The prohibition of the killing of migratory insectivorous birds, 

 except when they become injurious to agriculture and constitute 

 plagues, as well as when they come from reserve or game farms: 

 provided however that such birds may be captured alive and used in 

 conformity with the laws of each contracting country. 



F) The prohibition of hunting from aircraft. 



Article III. The high contracting parties respectively agree, in 

 addition, not to permit the transportation over the American-Mexican 

 border of migratory birds, dead or alive, their parts or products 

 without a permit of authorization provided for that purpose by the 

 government of each country, with the understanding that in the case 

 that the said birds, their parts or products are transported from one 

 country to the other without the stipulated authorization, they will be 

 considered as contraband and treated accordingly. 



Article IV. The high contracting parties declare that for the pur- 

 poses of the present Convention the following birds shall be considered 

 migratory: 



Migratory game 'birds. — Familia Anatidae, Familia Gruidae, Fam- 

 ilia Rallidae, Familia Charadriidae, Familia Scolopacidae, Familia 

 Recurvirostridae, Familia Phalaropodidae, Familia Columbidae. 



Migratory non-game birds. — Familia Cuculidae, Familia Capri- 

 mulgidae, Familia Micropodidae, Familia Trochilidae, Familia Pici- 

 dae," Familia Tyrannidae, Familia Alaudidae, Familia Hirundinidae, 

 Familia Paridae, Familia Certhiidae, Familia Troglodytidae, Familia 

 Turdidae, Familia Mimidae, Familia Sylviidae, Familia Motacillidae, 

 Familia Bombycillidae, Familia Ptilogonatidae, Familia Laniidae, 

 Familia Vireonidae, Familia Compsothlypidae, Familia Icteridae, 

 Familia Thraupidae, Familia Fringillidae. 



Others which the Presidents of the United States of America and 

 the United Mexican States may determine by common agreement. 



Article V. The high contracting parties agree to apply the stipu- 

 lations set forth in Article III with respect to the game mammals 

 which live in their respective countries. 



Article VI. This Convention shall be ratified by the high contract- 

 ing parties in accordance with their constitutional methods and shall 

 remain in force for fifteen years and shall be understood to be extended 



