NUTTALL, G.H.F. The Ixodoidea or Ticks. _Jour. of Roy. Inst. of Pub. Health_, 1908. List of disease-bearing ticks. Position of ticks, classification. Biology. Preventive measures. NUTTALL, G.H.F. Piroplasmosis. _Jour. Roy. Inst. of Pub. Health_, 1908. What piroplasma are; diseases produced by them. Biology. NUTTALL, GEO. F., and co-workers. _Canine Piroplasmosis_, Parts I to VI. _Jour. Hyg._, Vol. 4, No. 2, Apr., 1904, to Vol. 7, No. 2, Apr., 1907. A thorough discussion of the disease, the parasite which causes it and the ticks which convey it. POCOCK, R.I. Ticks. In Albutt and Rolleston's _System of Med._, II, 1907, pp. 187-203. Classification; description of the best-known pathogenic species. Extended bibliography. SKINNER, B. Preliminary Note on Ticks Infecting the Rats Suffering from the Plague. _Brit. Med. Jour._, Vol. II, 1907, p. 457. Records taking tick on a plague-sick rat and finding bacilli similar to plague bacilli in connection with it. SMITH, T., AND KILBORNE, F.L. Texas Fever. _U.S. Dept. Agric. Bureau of Animal Industry, Bull. No. 1_, 1893. Records of the experiments showing disease to be transmitted by ticks. WELLMAN, F.C. Preliminary Note on Some Bodies Found in Ticks--_Ornithodoros moubata_--Fed on Blood Containing Embryos of Filaria. _Brit. Med. Jour._, July 20, 1907, p. 142. Believes that _F. perstans_ is conveyed from man to tick and from tick to man. KALA-AZAR AND BEDBUGS GIRAULT, A.A. The Indian Bedbug and Kala-azar Disease. _Sci._, N.S., Vol. XXV, 1907, p. 1004. Indian bedbug is _C. rotundatus_ Sig. Its distribution. Summary of Dr. Patton's paper on "Preliminary Report on the Development of the Leishman-Donovan Body in the Bedbug." PATTON, W.S. The Development of the Leishman-Donovan Parasite in _Cimex rotundatus_. _Scientific Mem. of Gov. of India_, Nos. 27 and 31, 1907. Traces the development of this parasite; believes that the bedbug is concerned in transmitting this disease. See also Manson's _Tropical Diseases_, pp. 178-190. TEXT OR REFERENCE BOOKS IN WHICH THE RELATION OF INSECTS TO VARIOUS DISEASES IS DISCUSSED ABBOTT, A.C. Hygiene of Transmissible Diseases. Phil., 1899. Causes, modes of dissemination, prevention, treatment of infectious and contagious diseases. ALLBUTT, T.C., AND ROLLESTON, H.D. A System of Medicine. London, 1907. Vol. II, Pt. II, contains sections on tropical diseases; animal parasites and the diseases they carry and zoölogical articles dealing with Protozoa, mosquitoes, flies and ticks. All articles have bibliographies, some of them quite extensive.