International Sanitary Congress, demonstration of mosquito theory at, 48. Kerosene oil, in anti-malarial work, 188. in yellow-fever work, 61. La Boca, bubonic plague in, 276. La Crosade, Dr., 226. La Garde, Louis A., Major, 143, 206. organizes Ancon Hospital, 229. Larvacide in anti-malarial work, 190-191. Las Animas Hospital, yellow-fever experiments in, 19, 26, 41, 43, 45. yellow-fever treatment in, 50-51. Lazear, Dr., on Sanarelli’s researches, 11. mosquito experiments of, 16, 19. Leper colony in Panama, 256. Le Prince, Joseph, anti-malarial work of, 159, 186, 198-200, 202, 203, 204. fumigation experiments of, 55. rat trap devised by, 277. in Ancon Hospital, 230-231. Lyster, Theodore C., Major, 242. Malaria, importance of control of, to human race, 289-293. at Ismalia, 140. at Porto Bello, 165, 166. preventive work in, drainage and, 183-189. kerosene oil and, 188. quinin dispensation and, 220. sanitary districts organized for, 160. screens and, 196-198. statistics of, 73, 275. transmission of, 219. Malarial mosquito. _See_ Mosquito, malarial. Mason, Colonel, 243. Medical districts organized in Panama, 209, 212, 213. Medical practice, ancient and modern, 110-113. Medical service in Panama, sanitary advantage of, 212-214. Mosquito, malarial, at Ismalia, 141. sanitary control of, 61, 159, 183-191, 194-196, 198-205. yellow fever, Army board experiments on, 16-20, 26, 30-36, 38, 41-49. breeding conditions of, 2, 56, 58, 59, 60, 192, 204, 233, 265. fumigation and, 52, 53, 54, 55. Mosquito, yellow fever, in Ancon Hospital grounds, 232-234. kerosene oil, use of, and, 61. Mosquito-catcher in anti-malarial work, 198-202. Mosquito theory of yellow-fever transmission, 13, 14, 32, 36, 48, 157. Mosquitoes, different species compared, 191-195. Mount Hope cemetery, 216. Mott, Dr. J. C., 13. Panama, fumigation for yellow fever throughout, 150, 151. hospital service in, 207-214, 223. medical districts in, 209. Sanitary Department of, 148, 153, 154. sick rate statistics at, 280, 281. Spanish rule in, 134-135, 168, 176-180. yellow fever in, 136, 150. Pedrarias in Panama, 132, 133. Perry, Dr. James A., 265, 271, 276. Phillips, Colonel, 244. Pizarro in Panama, 133, 135. Porto Bello, cemetery at, 216, 217. commerce and fair at, 161-162, 163, 164. malaria in, 165, 166. Public Health Service, Board of, 10. Pyrethrum, fumigation with, 54, 263. Quarantine, for bubonic plague, 276. for yellow fever in Havana, 63, 64, 72. in Panama, 260. Quinin, dispensation of, 220-223. Rats, relation of, to bubonic plague, 276-278. Reed, Dr. Walter, mosquito experiments of, 16, 19-21, 26, 30-36, 38, 41. on Sanarelli researches, 7, 11. Reed-Gorgas correspondence, 77-109.