NOVY, T.G., MCNEAL, M.J., AND TORRY, H.M. The Trypanosomes of Mosquitoes and Other Insects. _Jour. Infec. Diseases_, IV, 1907, pp. 223-276. These parasites are often found in mosquitoes and other insects. Bibliography. NUTTALL, G.H.F. The Transmission of _Trypanosoma lewisi_ by Fleas and Lice. _Parasitology_, Vol. I, No. 4, Dec., 1908, pp. 296-301. This rat trypanosome is transmitted by fleas and lice. OLD, J.E.S. Contribution to the Study of Trypanosomiasis and to the Geographical Distribution of Some of the Blood-sucking Insects, etc. _Jour. Trop. Med. & Hyg._, 12, Jan. 15, 1909, pp. 15-22. Notes on blood-sucking _Diptera_ and ticks. ROGERS, LEONARD. The Transmission of the _Trypanosoma evansi_ by House-flies and Other Experiments Pointing to the Probable Identity of Surra of India and Nagana or Tsetse-fly Disease of Africa. _Proc. Roy. Soc._, Vol. LXVIII, 1901, pp. 163-170. THIMM, C.A. Bibliography of Trypanosomiasis; embracing original papers published prior to April 1909, and references to works and papers on tsetse-flies. London, 1909. TODD, J.L. A Note on Recent Trypanosome Transmission Experiments. _Jour. Trop. Med. & Hyg._, 12, Sept., 1909, p. 260. Show that they develop in _G. palpalis_ when taken from their mammal host at the proper stage of development. WOODCOCK, H.M. The Hæmoflagellates: a Review of Present Knowledge Relating to the Trypanosomes and Allied Forms. _Quar. Jour. Micro. Sci._, Vol. 50, 1906, pp. 151-331. Characteristics; mode of infection; effects on host; biological considerations; life-cycle, etc. _Spirochaetæ_; bibliography. Important article. Trypanosomiasis and Sleeping Sickness. _Jour. Trop. Med. & Hyg._, II, pp. 146-147, 162, 179-180, 196. List of recent literature. SLEEPING SICKNESS BAGSHAWE, A.G. Recent Advances in Our Knowledge of Sleeping Sickness. _Lancet_, II, 1909, pp. 1193-97. A summing up of the important discoveries of the preceding year. HEARSEY, H. Sleeping Sickness. _Jour. Trop. Met. & Hyg._, 12, Sept. 1, 1909, pp. 263-264. Report on work accomplished particularly in relation to the distribution of _Glossina_ and other biting flies. JARVIS, C. Sleeping Sickness. _Internat. Clinics_, Vol. II, 1904, pp. 37-44. Shows the relation of the tsetse-fly to this disease. LANKESTER, E.R. The Sleeping Sickness. _Quar. Review_, July, 1904, p. 113. Discovery and early history; the fly, the parasite; other related parasites. Relation of parasites to their hosts. MINCHIN, E.A. The Ætiology of Sleeping Sickness. _Nature_, Nov. 15, 1906, pp. 56-59.