WASHINGTON, March 19, 1850.

To the Senate of the United States:

I transmit herewith, for the consideration and constitutional action of the Senate, a communication from the Secretary of the Interior, covering two treaties with Indians of New Mexico, one negotiated with the Navajo tribe on the 9th of September last by Colonel John Washington, of the Army, and J.S. Calhoun, United States Indian agent at Santa Fe, and the other with the Utah tribe, negotiated by J.S. Calhoun on the 13th of December last.

Z. TAYLOR.

WASHINGTON, March 19, 1850.

To the Senate of the United States:

I herewith transmit to the Senate, for their advice in regard to its ratification, "a general treaty of amity, navigation, and commerce" between the United States of America and the State of Nicaragua, concluded at Leon by E. George Squier, chargé d'affaires of the United States, on their part, and Señor Zepeda, on the part of the Republic of Nicaragua.

I also transmit, for the advice of the Senate in regard to its ratification, "a general treaty of amity, navigation, and commerce" negotiated by Mr. Squier with the Republic of San Salvador.

I also transmit to the Senate a copy of the instructions to and correspondence with the said chargé d'affaires relating to those treaties.

I also transmit, for the advice of the Senate in regard to its ratification, "a general treaty of peace, amity, commerce, and navigation" negotiated by Elijah Hise, our late chargé d'affaires, with the State of Guatemala.