v. United States, 185 U.S. 306.
Counsel for petitioner concede the rule but deny its application to the pending case. Their argument is that the sixth section of the act of 1884, regarding it in force, precludes inquiry beyond the certificates. The applicable provisions are quoted as follows:
". . . Such certificate, vised as aforesaid, shall be prima facie evidence of the facts set forth therein, and shall be produced to the collector of customs of the port in the district of the United States at which the person named therein shall arrive, and afterwards produced to the proper authorities of the United States whenever lawfully demanded, and shall be the sole evidence permissible on the part of the person so producing the same to establish a right ofcertificates alone were considered?
It is further contended that the treaty of 1894 alone provides the evidence which a member of the exempted class of Chinese must produce, and abrogates the act of 1882 and the acts amendatory theref, and also aborogates the treaty of 1880.
Article III of the treaty of 1894, 28 Stat. p. 1211, is as follows:
"The provisions of this convention shall not affect the right at present enjoyed of Chinese subjects, being officials, teachers, students, merchants or travelers for curiosity or pleasure, but not laborers, of coming to the United States and residing therein. To entitle such Chinese subjects as are above described to admission into the United States they may produce a certificate from their government, or the government where they last resided, vised by