ADMINISTKATIVE KEPORT. XXIX 



river bowlders, or of both, and in construction, location, and 

 ground plans are affiliated with the northern type rather than 

 with the southern type, of which the best example is the Casa 

 Grande on Gila river. Data for a report on the ruins in the 

 valley of Rio Verde, and on the irrigating ditches and the 

 horticultural systems there pursued, were collected and have 

 been prepared for publication. Mr. Mindeleff remained in the 

 field until after the close of the fiscal year. 



GENERAL FIELD WORK. 

 WORK OF MRS. STEVENSON. 



Mrs. Matilda C. Stevenson remained at the Pueblo of Sia, 

 New Mexico, fi-om July 1 to September 15, 1890. She was 

 diligently engaged in completing her studies of the customs 

 and mythology of the Sia Indians, desribed in the Eleventh 

 Annual Report of this Bureau. She made their cosmogony 

 and the rites of their secret ciilt societies special subjects of 

 investigation, with the view of acquiring a clearer understand- 

 ing of their mythology and religious practices. The data thus 

 obtained are incorporated in Mrs. Stevenson's memoir on the 

 Sia in the last report of the Bureau. 



WORK OF DR. W. .1. HOFFMAN. 



Dr. W. J. Hoffman in July visited the Menomoni reservation 

 at Kesheua, the Objibwa reservation at Lac Court Oreille, 

 Wisconsin, the Ojibwa reservation at La Pointe, and the Ottawa 

 Lidians at Petoskey, Michigan. At Keshena he attended the 

 annual ceremony of the Mita'wit, or Grand Medicine Society, 

 an order professing- the powers of prophesy, the exorcism of 

 demons, the cure of disease, and the ability to confer success 

 in the chase. The ritual of initiation embraces the dramatiza- 

 tion of the Menomoni cosmogony, the reception by the Indians 

 fi'oin the Great Manito of the power of warding off disease and 

 hunger, and the instruction to candidates as to the proper mode 

 of so living as to gain admission into the realm presided over 

 by Naqpote (the won), who is brother of Manabush, the mediator 

 between the Menomoni and the Great Manito. The initiation 



