424 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I25 



Simulhim (Simulhtvi) tricornis — 



continued 

 343, 345, 348, 350, 353, 355, 357, 

 359, 361, 363, 364, table 2,:^, 4^5 

 trivittatum, 156 



(Lanea) trivitattum, 59, 77, 83, 

 87, 156-159. 28s, 303, 367, 368, 

 table 33 

 vargasi, 58 



(Gigantodax) vargasi, 107, 275 

 (Lanea) veracrusanum, 33, 42-45, 

 52, 59, 73, 77, 83, 88, 159-X64, 

 285, 302-306, 309, 311-315, 341, 

 342, 345, 346, 348, 350, 353, 355, 

 357, 359, 361, 363, 375, 379, table 

 33,406,407,411,415 

 virgatuni, 195, 196, 275 

 (Dyarella) virgatum, 169-171 

 virgatuni rubicmidulum, 194 

 wrighti, 58 



(Giganthodax) zvrighti, 107 

 (Dyarella) yepocapense, 59, 71, 76, 

 81, 86, 175, 176, 204—208, 292, 

 302, 303, 305, 311, 312, 345, 348, 

 350, 351, 353, 355, 357, 359, 361, 

 363, table 33, 415 

 Simidium subg., 70, 73-74, 77-78, 80, 



83, 84, 88, 92, 120, 130, 139 

 smarti, Simulium (^Dyarella), 45, 59, 

 71, 76, 81, 85, 199-204, 291, 

 302, 303, 305, 309, 311, 3^2, 341, 

 345, 348, 350, 353, 355, 357, 359, 

 361, 363, table Z3, 407, 409, 4^5 

 Simulium (Eusimtdittm) , 199 

 Smicridea, 48 



Species associations, 365, table 33 

 squamipennis, Aedomyia, 47 

 Stomoxys calcitrans, 37 



nigra, 37 

 Stone, Alan, vii 

 Stream bed, 56 

 Streams, 50-57, 346-366 

 streptocerca, Dipetalonema, 38 

 Struthanthus orbicularis, yj 

 Substratum of streams in relation to 

 breeding, 360, 361, 363, 364 



Tabebuia pentaphyla, 36 

 Taxonomy, 60-275 



Temperature, 10, 16-18, 20, 22, 321, 

 322, 324, 325, 403, 404 

 stream, in relation to breeding, 

 346-348 

 Thelohania, 50 

 Thuidium delicatulum, 35 

 Tomas, 55 



Tradescantia commelinoides, 309, 311, 

 338 



guatemalensis, 311, 312 

 Transmission of onchocerciasis, 3, 6, 



375-379 

 Triatoma picturata, 47 

 Trichilia havanesis, 34 



hirta, 34 

 tricornis, Simulittm, 58, 234 



Simulium. {Simidium,), 59, 73, 78, 



84, 88, 234-239, 299, 302-305, 



343, 345, 348, 350, 353, 355, 357, 



359, 361, 363, 364, table 23, 4^5 



Tripogaiulra cumanettsis, 36, 309, 311, 



312 

 trivittatum, Simulium, 156 



Simulium (Lanea), 59, 77, 83, 87, 

 156-159, 285, 303, 367-368, 

 table 33 

 turgidum, EusimuUum, 275 

 turicata, Ornithodorus, 47, 48 

 Type of streams in relation to breed- 

 ing, 360, 361, 363 



Vargas, Luis, vii 

 vargasi, Simidium, 58 



Simidium (Gigantodax) , 107, 275 

 Vectors, 2, 37-48, 305, 306, 343, 375- 



379 

 Vegetation, 34-37 

 border, 35 

 debris, 35 

 emergent, 35 

 mosses and algae, 35 

 Velocity of streams in relation to 



breeding, 351, 356, 357 

 veracrucanum, Simulium (Lanea), 33, 

 42-45, 52, 59, 72, 77, 83, 88, 159- 

 164, 285, 302-306, 309, 311-31S, 341, 

 342, 345, 346, 348, 350, 353, 355, 357, 

 359, 361, 363, 375, 379, table 32, 4o6, 

 407, 411, 41 5 



