NO. I 



INDEX 



421 



Onchocerca volviihis, i, 2, 3, 6, 7, 13, 

 37, 38, 39, 41-43, 47, 48, 327, 330, 

 333, 337, Z72, 373, 375, 27(>, 378 



Onchocerciasis, degree of infection, 2, 



13 

 endemicity of, 2, 6 

 epidemiology of, 6-56 

 presence and spread of, 6-7 

 transmission of, i, 3, 37, 375-379 



Onchoceriasis zones, 11-26 



Omithodorns moubata, 38 

 turicata, 47, 48 



ovatiis, Abedus, 48 



Oxybelus pyrurus, 49 



Oxygen content of streams in relation 

 to breeding, 365-366 



pacheco-hinai, Cnephia, 45, 59, 69, 74, 

 85, 93-97. 275, 302, 303, 305, 

 314, 341, 343, 345, 348, 350, 351, 

 353, 355, 357, 359, 361, 363, table 

 33, 415 

 Simulium, 58, 93 



palpalis, Glossina, 38 



Pan American Sanitary Bureau, v, i 



Parasitism, 49 



parrai, Simuliuin {Simulium'), 59, 74, 

 77, 78, 84, 88, 230-234. 298, 302, 

 305, 309, 311, 312, 345, 348, 350, 353, 

 355, 357, 359, 361, 363, table Z3, 4i5 



paynei, Simulium (Hemicnetha), 68 



pecuarum, Cnephia, 4 



Pediculus humaiius, 38, 47 



Persians, Acanthocheiloneina, 38 



Pests, 4-6 



pH of streams in relation to breeding, 

 346, 349, 350 



picturata, Triatoma, 47 



Plant associations, 34-37, 309, 311, 312, 

 338, 387-394 



Plantations v, vi 



Polymnia maculata, 36, 338 



Predators, 48 



Projiinduliis pimctatns, 49 



pscudohaematopotum, Simulium, 275 



pseudopunctipennis. Anopheles, 47 



Psilopelmia, 68 



Public Health Service, United States, 



V, I 



Ptilex irritans, 47 



pidverulentum, Simulium, 58, 190 



Simulium (Dyarella), 45, 59, 69, 

 71, 76, 81, 85, 176, 190-194, 

 289, 302-305, 311, 312, 341, 343, 

 345, 348, 350, 351, 353, 355, 357, 

 359, 361, 363, 367, table 33, 407, 

 408, 415 



punctatus, Profundulus, 49 



pyrurus, Oxybelus, 49 



Rainfall, lo-ii, 17, 18, 20 

 Range, flight, 327-328, 329, 330, 332, 

 333 



height, 334-336 

 Renealmia, 311, 312 



aronmtica, 35, 36, 338 



sfrobilifera, 35, 36 

 Reservoirs and vectors, 37-48 

 Resting habits, 406 

 Resting places, 334, 335, 336 

 Ricinus communis, 36, 338 

 roblesi, Cnephia, 59, 69, 74, 85, 97— 

 102, 276, 305, 343, 345, 348, 350, 



351, 353, 355, 357, 359, 361, 3^3, 

 table 32, 415 

 Simulium, 97 



rubicundulum, Simulium, 58, 194 



Simulium {Dyarella), 45, 59, 71, 

 7^, 80, 86, 169, 170, 171, 182, 

 194-199, 208, 275, 290, 302- 

 305, 309, 311-313, 340, 341, 345, 

 348, 350, 353, 355, 357, 359, 361, 

 363, 365, table 23, 407-409, 4i5 



Ruiz, Angel, vii 



Salt content of streams in relation to 

 breeding, 366 



samboni, Similium, 151 



Simidium {Lanea), 59, 72, 77, 83, 

 87, 151-156, 285, 302-305, 343, 

 345, 348, 350, 351, 353, 355, 357, 

 359, 361, 367, table 23, 4i5 



Secor, Ruth, vii 



Sefaria equina, 6 



Sideroxylon tempisque, 36-37 



Simidia aureus, 116 



Simidium, 2, 3, 6, 27, 23, 35, 36, 37, 38, 

 43, 48, 50, 56, 68, 69-74, 75, 78, 

 79-88, 112-275 



