730 



CALIFORNIA ACADEMY OP SCIENCES 



[Proc. 4th Ser. 



Stevens, Frank, 632, 646 



Neville, 646 

 Stewart, Elizabeth, 692 



H. W., 646 



L. L., 528 

 stigma, Anacampta, 328 

 stigmalis, Anthalia, 267 

 stigmata, Chrysogaster, 275 



Dicranomyia, 203 

 stigmatipennis, Xylota, 289 

 stigmatosoma, Culiseta, 215 

 stipata, Potania, 188 

 Stock, Chester, 528 

 Stomoxys calcitrans, 309 

 striatellus, Conus, 11, 13, 16 

 stramineus, Chilomeniscus, 52 

 Stratiomyia atra, 230 



barbata, 230 



discalis, 230 



laticeps, 230 



maculosa, 231 



melanostoma, 231 

 streptocera, Tipula, 207 

 strigatus, Eumerus, 289 

 Strombus, 8, 9, 10, 14 

 Strombus canarium, 6, 8, 14 



fusus, 11 



swainsoni, 6 

 Strongylocoris atratus, 135 



croceipes, 136 



robustus, 136 



stygicus, 135 

 Strophopoda aprica, 132 

 A Study of North American Grass-bugs 

 of the Genus Irbisia, by Edward P. 

 Van Duzee, 145-152 

 Sturtevant, George, 661, 692 



Roger, 661, 692 

 stygicus, Strongylocoris, 135 

 stylifer, Ormosia, 204 

 subatrata, Pontania, 189 

 subcormita, Ormosia, 204 

 subfasciata, Xylota, 289 

 subgranulosa, Ranella, 6, 14 

 sublorata, Pontania, 190 

 subnebulosa, Hyphoraia, 194 

 subpellucens, Ccelomyia, 311 

 substriata, Hylemyia, 312 

 substriatum, Cardium, 563 

 subsulcata, Chrysomela, 165 

 subsultans, Mosillus, 335 

 subvirens, Agromyza, 341 

 sudator, Cyrtopogon, 255 

 sudigeronis, Rhamphomyia, 267 

 sueta, Pontanua, 188 

 sulphurihalterata, Oscinis, 337 

 sulphuripes, Sphaerophoria, 285 

 Sumner, P. W., 646 



superciliosa, Agromyza, 342 



surdus, Chrysops, 233 



suspectum, Heloderma, 28 



Sutherland, R. S., 693 



Sutliffe, Mrs. E. C, 628, 646, 675, 693 



swainsoni, Strombus, 6, 12, 14 



Swarth, Harry S., 657 



sylvestris, Culiseta, 215 



Symmerus annulatus, 217 



Symphoromyia atripes, 237 



inquisitor, 237 



kincaidi, 237 



latipalpis, 237 



pachyceras, 237 



plagens, 237 

 Sympycnus pugil, 262 

 Syritta pipiens, 288 

 Syrphidse, 170, 273 

 Syrphus abbreviatus, 282 



americanus, 282 



arcuatus, 282 



bimaculatus, 282 



contumax, 171 



diversipes, 282 



grossulariae, 282 



intrudens, 283 



maculifrons, 283 



mentalis, 283 



opinator, 283 



pacificus, 283 



perplexus, 283 



protritus, 283 



ribesii, 284 



ruficauda, 284 



sodalis, 284 



torvus, 284 



umbellatarum, 284 



velutinus, 284 

 Systcechus oreas, 247 

 Tabanus segrotus, 233 



captonis, 233 



centron, 233 



epistatus, 233 



insuetus, 233 



intensivus, 233 



laticeps, 233 



leucophorus, 233 



lineola, 234 



opacus, 234 



osburni, 234 



phsenops, 234 



procyon, 234 



punctifer, 234 



rhombicus, 234 



sequax, 234 



sonomensis, 234 



unctifer, 234 



zonalis, 234 

 Tableman, Fred S., 646 



