_Dakota_ II. A short list from Dr. BLAIR D. TAYLOR, assistant surgeon, United States Army, from recollection of signs observed among the Sioux during his late service in the region inhabited by that tribe.
_Dakota_ III. A special contribution from Capt. A.W. CORLISS, Eighth United States Infantry, of signs observed by him during his late service among the Sioux.
_Dakota_ IV. A copious contribution with diagrams from Dr. WILLIAM H. CORBUSIER, assistant surgeon, United States Army, of signs obtained from the Ogalala Sioux at Pine Ridge Agency, Dakota Territory, during 1879-'80.
_Dakota_ V. A report of Dr. W.J. HOFFMAN, from observations among the Teton Dakotas while acting assistant surgeon, United States Army, and stationed at Grand River Agency, Dakota, during 1872-'73.
_Dakota_ VI. A list of signs obtained from PE-ZHI' (Grass), chief of the Blackfoot Sioux; NA-ZU'-LA-TAⁿ-KA (Big Head), chief of the Upper Yanktonais; and CE-TAⁿ-KIⁿ-YAⁿ (Thunder Hawk), chief of the Uncpapas, Teton Dakotas, located at Standing Rock, Dakota Territory, while at Washington in June, 1880.
_Dakota_ VII. A list of signs obtained from SHUN-KU LU-TA (Red Dog), an Ogalala chief from the Red Cloud Agency, who visited Washington in company with a large delegation of Dakotas in June, 1880.
_Dakota_ VIII. A special list obtained from TA-TAⁿKA WA-KAⁿ (Medicine Bull), and other members of a delegation of Lower Brulé Dakotas, while at Washington during the winter of 1880-'81.
_Hidatsa_ I. A list of signs obtained from TCE-CAQ'-A-DAQ-A-QIC (Lean Wolf), chief of the Hidatsa, located at Fort Berthold, Dakota Territory, while at Washington with a delegation of Sioux Indians, in June, 1880.
_Mandan and Hidatsa_ I. A valuable and illustrated contribution from Dr. WASHINGTON MATTHEWS, assistant surgeon, United States Army, author of _Ethnography and Philology of the Hidatsa Indians, Washington_, 1877, &c., lately prepared from his notes and recollections of signs observed during his long service among the Mandan and Hidatsa Indians of the Upper Missouri.
_Omaha_ I. A special list from Rev. J. OWEN DORSEY, lately missionary at Omaha Agency, Nebraska, from observations made by him at that agency in 1880.
_Oto_ I. An elaborate list, with diagrams, from Dr. W.G. BOTELER, United States Indian service, collected from the Otos at the Oto Agency, Nebraska, during 1879-'80.