SMYTH, W.R. Leprosy. _Brit. Med. Jour._, Dec. 8, 1906, Vol. II, p. 1670. Believes that bedbugs or some similar wingless parasite conveys the disease. PLAGUE BRANNERMAN, W.B. Spread of Plague in India. _Jour. of Hyg._, Vol. 6, No. 2, Apr., 1906, pp. 179-211. A digest of experiments made in India. Discusses various ways in which the disease may be spread. Review of the evidence that insects may be concerned. Bibliography. CALVERT, W.J. Plague. _Osler's Mod. Med._, Vol. II, 1907, p. 760. History; bacteriology; pathology; plague among animals; transmission, etc. HAM, B. BURNETT. Report on Plague in Queensland, 1900-1907. P. 153 discusses the rat-flea theory of dissemination of bubonic plague, summing up the evidence of various observers, including the Indian Advisory Com. and others. Considers the evidence conclusive that _P. cheopis_ and possibly _C. fasciatus_ transmit plague. Other pages discuss various rat fleas and their relation to plague in rats. HANKIN, E.H. On the Epidemiology of Plague. _Jour. Hyg._, 5, 1905, pp. 48-83. A comprehensive discussion of the disease and its spread, several pages devoted to rats and fleas; evidence for and against the theory that rats and fleas are the principal carriers of the disease. HERZOG, MAX. The Plague, Bacteriology, Morbid Anatomy & Histopathology, Including the Consideration of Insects as Plague Carriers. Biological Laboratory Bureau of Govt. Laboratories, Manila, Oct., 1904. Reviews the evidence regarding the possibility of fleas carrying plague; describes a new rat flea (_Pulex philippinensis_); records experiments with fleas and cites a case of bubonic plague in a child in which the infection was possibly carried by _Pediculi_. MCCOY, G.W. Plague Bacilli in Ectoparasites of Squirrels. _Pub. Health Reports, Pub. Health and Mar. Hospt. Ser._, Vol. XXIV, No. 16, Apr. 16, 1909. Experiments with fleas and lice from infected squirrels demonstrating presence of plague bacilli. MCCOY, G.W. The Susceptibility of Gophers, Field-mice and Ground-squirrels to Plague Infection. _Jour. of Infec. Diseases_, Vol. 6, 1909, No. 3, pp. 283-288. Gophers highly resistant, field-mice moderately susceptible and ground-squirrels very susceptible to plague. MITZMAIN, M.B. Insect Transmission of Bubonic Plague: a Study of the San Francisco Epidemic. _Ento. News_, 19, No. 8, 1908, pp. 353-359. Fleas obtained in examination of 1,800 rats. Attempt to locate source of rat and flea introduction. MORTON, F.M. Eradicating Plague from San Francisco. Report of the Citizens' Health Com. and an account of its work. San Francisco, 1909. Discusses the epidemics, methods of transmission, methods of fighting, etc.