102 B. BRADLEY. 



(16) Gwyn, Bull. Johns Hopkins Hospital, 1898. 



(17) Cushing, Bull. Johns Hopkins Hospital, p. 156, 1900. 



(18) Schottmuller, Deut. Med. Woch. 12511, 1900; Zeits. fur 



Hyg., Vol. xxxvi, p. 368, 1901. 



(19) Libman, Journal of Med. Research, viii, 1902. 



(20) Longcope, Am. Jour, of Med. Sciences, Vol. 124, p. 209, 1902 



(21) Johnston, ib., p. 187. 



(22) Hewlett, ib.. p. 200. 



(23) Boycott, Journal of Hygiene, p. 33, 1906. 



(24) Ruge and Rogge, Cent, fur Bakt., Bd. 47, H 5 , 1908. 



(25) Bainbridge, Proc. Roy. Soc. of Med., iv. 1911. 



(26) Sanarelli, A. de L.I.P., 1897, p. 433. 



(27) Reed and Caroll, J. of Exp. Med., Vol. v, p. 215, 1900-1. 



(28) Dorset, Bolton and McBryde, U.S.A., Bur. of Animal 



Industry, Bull. 72, 1905. 



(29) Petrie and O'Brien, J. of Hyg., p. 287, 1910. 



(30) O'Brien, J. of Hyg., p. 231, 1910. 



(31) MacConkey, J. of Hyg., p. 571, 1906. 



(32) Savage, Au. Rep. L.G.B., Appendix B, No. 5, 1906-7. 



(33) Castellani, J. of Trop. Med. and Hyg., 1910. 



(34) Muhlens, Cent. f. Bakt. Bd. 48, H 15 1904. 



(35) May, J. of Trop. Med. and Hyg., Vol. xiv, No. 1, p. 1, 191 1. 



(36) Thomassen, A. de L.I.P., 1897. 



(37) Silberschmidt, A. de L.I.P., p. 65, 1895. 



(38) Schottmuller, Deut. Med. Woch, 1900. 



(39) Durham, J. of Exp. Med., Vol. v, p. 353, 1900-1. 



(40) Morgan, B.M.J., June 10, 1905. 



(41) Sacquepee and Chevrel, A. de L.I. P., p. 1, 1906. 



(42) Marshall, J. of Hygiene, Vol. vn, No. 4, 1907. 



