328 



Index 



Drainage, grade, to fit topog- 

 raphy, 141 



flatness of, 72, 125 



steepness of, 128, 



132 

 taking levels for, 126, 



132 



open, 125 



pipe lines for, 149 



subsurface, cost of main- 

 tenance, 134 



tile, 130, 132 



intercepting tUe, 131, 134 



"Drips" (see Oil) 



Eave-troughs, 262, 289, 311 

 Employees, mortality of, 314 

 Enamel-ware saucers and dip- 



pers, 45, 79 

 Evaporation of cleared spaces, 



12. 195 

 Excavations, 70 



Pills, on absorbent ground, 115 



borrow pits for, 116 



heavy, 118 



hydraulic, cost of, 121 



cracks in, 119 



filling cracks in, 120 



shallow ditches on, 



120 



porous material for, 116 



settling of, 39 



shallow, 116 



vegetation on, 118 



Fines, sanitary regulations, 239, 



275 

 Pinlay, Dr. Carlos, theory of 

 yellow fever transmission, 



.231.235 

 Fire, cle(aring by, 197 

 danger from stored oil, 



165, 171 



precautions in fumiga- 

 tion, 248 



Fish, Barbadoes, 185 



used after clearing and 



training, 10 



notes on, 64, 184 



Fish, small, cannot penetrate 



algae, 65 

 value as eradicators of 



larvas, 182, 151, 194 

 value as eradicators in 



New Jersey, 185 



in wells, 8 



Flight, apparatus for register- 

 ing, 108 

 solution for registering, 



108 

 (see A'edes calopus and 



Anopheles) 

 Floating islands, drifting of, 



99. 194 

 Fomites, yellow fever, 233, 236 

 Foot-prints, holding water, 60 

 Formula for drip oil, 159 



Panama larvacide, 174 



pumping oils, 167 



stain, III 



stain testing solvent, 1 1 1 



French occupancy of Canal 



Zone, statistics, 23 



villages and camps, 17 



Fumigant, campho-phenique, 



254 



formaldehyde, 253 



pyrethrum, 254 



pyrethrum, deterioration 



of, 253 



sulphur, 254, 300 



tobacco, 253, 254 



Fumigation, action on fruit 



cargoes, 258 

 Ancon Hospital Reserva- 

 tion, 283 

 brigades in Havana, 243, 



245 . ^ 



brigades m Panama, 284 



city of Panama, 284 



experiments in Havana, 



250 



methods of, 246 



pans, 247, 258 



system of, 236, 244, 252, 



286 



tests, 251 



of theater, 303 



uncertainty of, 290 



