King, W.W. Experimental Transmission of Rocky Mountain Fever by Means of the Tick. Preliminary note. Pub. Health and Mar. Hospt. Ser., 21, July 27, 1906, pp. 863–864. Conveyed this fever from one guinea-pig to another by means of the tick.
Ricketts, H.T. The Transmission of Rocky Mountain Fever by the Bite of the Wood-tick (Dermacentor occidentalis). Jour. Amer. Med. Assn., Vol. 47, Aug., 1906, p. 358. Guinea-pig successfully inoculated by means of tick.
Ricketts, H.T. The Rôle of the Wood-tick (Dermacentor occidentalis) in Rocky Mountain Spotted Fever. Jour. Amer. Med. Assn., Vol. 49, July 6, 1907, pp. 24–27. Notes on experiments conducted and studies made. Takes position that these experiments connect the tick with the transmission of the fever.
Robinson, A.A. Rocky Mountain Spotted Fever. Med. Rec., Nov. 28, 1908. Occurrence and distribution of the disease; review of the various theories in regard to its transmission. P.E. Jones of Salt Lake believes it is transmitted by mosquitoes.
Stiles, C.W. A Zoölogical Investigation Into the Cause, Transmission and Source of Rocky Mountain Spotted Fever. Hyg. Lab. Pub. Health and Mar. Hospt. Ser., Bull. 20, 1905. Does not find the parasite that had been recorded by others, and finds no evidence to indicate that the ticks transmit the disease.
Wilson, L.B., and Channing, W.M. Studies in Pyroplasmosis hominis (Spotted Fever or Tick Fever of the Rocky Mountains). Jour. Infec. Diseases, 1, 1904, pp. 31–57. Evidence that the disease is transmitted solely by means of the ticks.
TICKS AND VARIOUS DISEASES
Banks, Nathan. Tick-borne Diseases and Their Origin. Jour. Eco. Ento., Vol. I, No. 3, 1908, pp. 213–215. Shows how ticks may become important disease-carriers by changing their hosts as the normal host is exterminated, or for other reasons.
Banks, Nathan. A Revision of the Ixodoidea or Ticks of the United States. Tech. Series No. 15, Bull. of Bureau of Ento., U.S. Dept. Agric., 1908. Structure, life-history, classification, catalogue, bibliography.