Anthropological Papers, Numbers 13-18, 1941. Includes The Mining of Gems and Ornamental Stones by American Indians, by Sydney H. Ball; Iroquois Suicide: A Study in the Stability of a Culture Pattern, and Tonawanda Longhouse Ceremonies: Ninety Years After Lewis Henry Morgan, by William N. Fenton; The Quichua-Speaking Indians of the Province of Umbabura (Ecuador) and Their Anthropometric Relations with the Living Populations of the Andean Area, by John Gillin; Art Processes in Birchbark of the River Desert Algonquin, a Circumboreal Trait, by Frank G. Speck; and Archeological Reconnaissance of Southern Utah, by Julian H. Steward.