606 



PROCEEDINGS OF THE ACADEMY OF 



[Dec, 



Scorpio 6 



Scotinoecus. 300 



Scudderia fuxcata 475 



furcifera 168 



mexicana 474 



Scytodes championi 196 



fusca 196 



intricata 196 



longipes 197 



Scytodida* 196 



Seiurus aurocapillus 365 



motacilla 365 



noveboracensis 365 



Selenops bifurcatus 214 



mexicanus 213, 214 



Serpula columbiana 293 



Serpulidse 290 



Sesuvium portulacastrum 486 



Setophaga ruticilla 365 



Sialis 22 



Sicyos angulatus 387 



Sida rhombifolia 492 



Sidusa albicincta 222 



conspecta 221 



femoralis 222 



fulvoguttata 222 



marmorea 222 



nigropicta 222 



opima 222 



parvula 222 



sulphurea 221 



tarsalis 221 



Sigaleonidse 242 



Sige 350 



Silene noctiflora 491 



nocturna 491 



Sillus longispina 201 



putus 201 



Sisyrinchium bermudianum 490 



Sitaris humeralis 9 



Solenodon paradoxus 352 



Solidago tenuifolia 394, 396 



sempervirens, 379, 380. 383, 385, 

 388, 394, 398 



Sonorella 497, 517 



ashmuni 517, 518 



dalli 496-498, 498, 501 



danielsi 497, 500, 501 



granulatissima, 497, 499, 500, 501, 



501-503 



g. latior 498, 500, 501 



g. parva 501 



hachitana 517, 518 



buachucana 498 



mearnsi 501, 510, 511 



rinconensis 517, 518 



rowelli 497, 499, 501 



virilis huachucana 4&8 



Sosippus agelenoides 217 



mexicanus 217 



Sparassidse 213 



Sparassus audax 214 



crassus 214 



obscurus 214 



simoni 214 



Sparganium euvcarpum....394, 395, 398 

 Spartina patens, 379-381, 383-391, 398 



polvstachva 379, 383, 389, 390 



stricta maritima 378-380, 383- 



391, 398 



Speotyto dominicensis 359 



Sphn>robothria hoffmanni 195 



Spba?rodoridse 332 



Sphserodorum 332, 333 



brevieapitis 335, 336 



olaparedii: 333, 336 



flavum 332, 333 



papillifer 333, 335 



sphserulifer 330 



Spharagemon angustipennis 149 



eollare 149 



Sphinx 9 



Sphyma zyga?na 407 



Spindalis multicolor 363 



Spirogyra orassa 393 



Spordinus elegans 361 



Squalus acanthias 407 



Stagmomantis 119 



californica 416 



Carolina 416 



fra tenia 416 



heterogamia 416 



limbata 416 



montana 416 



venusta 416 



Stauronereida? 256 



Stauronereis moniloccras 256 



Steatoda americana 205 



Stenopelmatus oculatus 171 



Sterna maxima 355 



Sthenelais 286, 339 



fusca 242 



Stichopus 240 



Stirapleura mescalero 145 



pusilla 115, 145 



Stotarchus minor 200 



Stratiomya 108 



Streptostyla bartschi 545 



minuta 545 



physodes 545 



supracostata 514 



Strix glaucops 359 



Strophius hirsutus 213 



Stropliostyles helvola 385, 391, 394 



Sujeda linearis 380. 381. 384. 391 



maritima 398 



Succinea avara 514 



concordialis 546 



luteola 546 



panucoensis 540 



Succineidae 514 



Suriana maritima 486 



