656 
Sigibius, 407 
Sigiria, 17, 24 
rubromarginata, 24 
Sigmogonotropis, 86 
serratus, 86 
Sigmoria, 17, 24, 30 
silaceus, Smicronyx, 201, 237, 238, 243, 
245, 279, 354 (fig.) 
Silphium perfoliatum, 337 
terebinthinaceum, 337 
sp., 193 
Silva, Jayme de Loyola e; see Jacobi and 
de Loyola e Silva, 389-397 
similis, Australoconops, 65, 67 
similis, Pseudoleria, 523 (fig.), 5384, 637 
simplex, Bulimulus, 499 
Eccoptomera, 522, 523 (fig.), 524, 
526, 529 
Pseudocyclops, 38 
simulans, Kuschelenia, 448 
Siniconops, 65 
Siphalomphix, 432, 433 
bonariensis, 432 
Siphonocybe, 118 
alba, 119, 120 (fig.) 
harti, 118, 719, 120 (fig.) 
pilosa, 113 (fig.), 118 
Siphonophora, 119 
aviceps, 119, 120 (ig.) 
panamensis, 120 (fig.), 121 
progressor, 122 
Siphonophoridae, 118 
Siphonorhinus harti, 119 
Siphonotus, 117 
angulifer, 117 
skirrob, Aphanostephus, 272 
Smicronychi, 188, 189 
Smicronychine ancestor, 199 
Smichronychini, 189 
Smicronygis, Bracon, 219 
Smicronyx in America North of Mexico 
(Coleoptera: Curculionidae), The 
Weevil genus, 185 
Smicronyx, 185, 187, 188, 189, 192, 193, 
194, 195, 196, 197, 199, 200, 203 
(key), 279, 280 
abnormis, 202, 312, 313, 314, 358 
(fig.), 366 (fig.) 
abnormis group, 190, 198, 199 (fig.), 
202, 280, 305, 312, 313 
albidosquamosus, 191, 202, 300, 
801, 302, 357 (fig.), 365 (fig.) 
albonotatus, 189, 192, 201, 248, 249, 
250, 251, 252, 355 (fig.), 362 
(fig.) 
albosquamosus, 202, 301 
albovariegatus, 195 
amoenus, 191, 201, 263, 264, 265, 
267, 355 (fig.), 363 (fig.) 
amoenus group, 199 (fig.), 201, 262, 
263, 264 (key) 
angustus, 196 
antiquus, 196, 349 (fig.) 
apionides, 201, 217, 229, 230, 231, 
353 (fig.), 362 (fig.) 
argentinensis, 194 
PROCEEDINGS OF THE NATIONAL MUSEUM 
VOL. 113 
Smicronyx, atratus, 201, 217, 224, 228, 
353 (fig.), 362 (fig.) 
californicus, 202, 281, 282, 287, 
288, 356 (fig.), 364 (fig.) 
carus, 202, 270 
caseyl, 202, 294, 296 
celaenus, 201, 238, 239 
centralis, 202, 268, 269, 
356 (fig.), 364 (fig.) 
chiliensis, 194 
cinerascens, 202, 310 
cinereus, 190, 192, 201, 204, 205, 
206, 207, 208, 209, 214, 216, 348 
(fig.), 852 (fig.), 361 (fig.) 
cinereus group, 196, 199 (fig.), 201, 
204, 205 (key), 208, 216, 237, 
257, 260 
coecus, 196 
cognatus, 201, 215, 216 
columbianus, 202, 282 
commixtus, 189, 202, 223, 281, 282, 
294, 295, 298, 357 (fig.), 365 (fig.) 
compar, 202, 326, 333, 340, 341, 
343, 360 (fig. ) 367 (fig.) 
congestus, 191, 201, 217, 218, 225, 
226, 227, 353 (fig. i; 362 (fig.) 
connivens, 202, 282, 284 
constrictus, 202, 327, 328, 331, 332, 
tae 350 (fig.), 359 (fig. Ni 366 
gs 
constrictus group, 199 (fig.), 202, 
323, 324, 326, 327 (key) 
convexrus, 202, 263, 264, 266, 267, 
368 (fig.), 369 (fig.) 
corniculatus, 202, 281, 282, 283, 
286, 288, 289, 290, 347 (fig.), 
350 (fig.), 351 (fig.), 356 (fig.), 
364 (fig.) 
sonicniatGs group, 190, 199 (fig.), 
202, 280, 281, 282 (key), 298 
corpulentus, 202, 268, 269, 271, 
274, 356 (fig.), 363 (fig.) 
cuscutiflorae, 192, 201, 204, 205, 
206, 210, 211, 212, 352 (fig.) 
cyaneus, 195 
defricans, 201, 237, 238, 239, 241, 
354 (fig.), 362 (fig.) 
dietzi, 202, 290 
discoideus, 202, 268, 269, 270, 272, 
347 (fig.), 350 (fig.), 351 (fig.), 
356 (fig.) 
discoideus group, 190, 202, 262, 
268, 269 (key), 275 
elsegundinis, 201, 228, 229 
fallaciosus, 202, 283 
fallax, 202, 283 
fiducialis, 201, 218, 234 
flavicans, 202, 281, 282, 290, 291, 
294, 356 (fig.), 364 (fig.) 
floridanus, 202, 333, 334, 342 
fraterculus, 202, 346 
fulvus, 202, 333, 334, 335, 341, 
348 (fig.), 350 (fig.), 351 (fig.), 
359 (fig.), 367 (fig. 
fulvus group, 199 (fig. ), 202, 303, 
324, 332, 333 (key), 335 
273, 274, 
