6io 



NEW YORK STATE MUSEUM 



Schiller, cited, 418^ 



Sciomyzidae, 574^-75'. 



Screen cage, 398\ 



Scudder, S. H., ackiiowledgmeuts to, 



39y\ 

 scudderi, Gompbus, 403^ 410^ 431=, 

 443\ 444^ 447\ 456^-57«; explana- 

 tiou of plates, 5y3^ 593*. 

 Scudderia plstillata, 5S3'. 

 Selys, cited, 453«. 

 selysi, Cordulia, 495^ 

 Seinblis pectinlcomis, 547^ 

 semiaquea, Cordulia, 494^ 

 Libellula, 494=. 



Tetragoneuria, 407^ 490^ 493^ 

 493^ 494*, 494^ 

 semicincta, Diplax, 523'. 



Libellula, 523'. 

 semicinctum, Sympetrum, 52r, 522'-, 



523'; explanatiou of plate, 594". 

 semifasciata, Libellula, 53r, 532^ 



535°; explanation of plate, 594^ 

 Semiscolex, 402\ 



Sepedon fuscipennis, 4<J4^ 574', 577'- 

 80^ 580^ 584'; explanation of 

 plate, d92\ 596«. 

 sphegius, 578^ 

 spinipes, 578*. 

 sepedontis, Atractodes, 584*, 588'-89^ 

 Sericostoma, 564\ 

 Sericostomatidae, 583^ 571\ 

 serricornis, Cbauliodes, 545^ 549-; 



explanation of plate, 595-, 595^ 

 sexnotata, Cicadula, 402». 

 Sheraton, W., cited, 393*. 

 shurtleffi, Cordulia, 391^ 43^, 491^ 

 502', 518^ explanation of plate, 

 593^ 

 Sialidae, 397^ 4ir, 541^ 541*. 

 Sialis, 541», 542^ 542*. 

 bilineata, 414*. 



iufumata, 542M4*; explanation 

 of plate, 595^ 

 Sieve net, 397'. 

 signifer, Panorpa, 583^ 

 Silo, 564\ 

 similis, Ceroxys, 575". 



Melieria, 575". 

 simplicicollis, Libellula, 527*. 

 Mesothemis. 527*. 



Simuliidae, 574'. 



Simulium, 408\ 408'; explanation of 

 plate, 592\ 

 pictipes, 393'. 



venustum, 404*, 407^ 574^; ex- 

 planation of plate, 592\ 

 Sii)liUu'us, 419\ 



alternatus, 391% 423*-25'; ex- 

 planation of plate, 591\ 

 annulatus, 424-. 

 Sisyra, 551", 552-, 552% 552^ 552'-57^ 

 fuscata, 554". 



umbrata, 393", 555*-57'; explana- 

 tion of plate, 591^ 

 vicaria, 554'. 

 Skimmers, 47S*-540*. 

 Snails, 401^ 402% 402*, 404% 

 Soldier flies, 574% 576*. 

 Somatochlora, 484', 485% 498% 504% 

 albicincta, 485% 

 elongata, 485", 498^ 499^-500*; 



explanation of plate, 594% 

 filosa, 500% 

 lepida, 506% 

 libera, 504% 

 linearis, 501% 

 lintneri, 506*. 

 metallica, 485^. 

 tenebrosa, 50r-2*. 

 walshii, 501% 

 sordidus, Gomphus, 43r, 444% 446", 



454»-55% 

 Sphaerium, 402% 404% 

 Spharagemon sp.V 583% 

 sphegius, Sepedon, 578% 

 spicata, Aeshna, 459% 

 spicatus, Gomphus, 403% 407^ 444% 

 448^ 453', 459*-60-; explanation of 

 plate, 593'. 

 spiniceps, Gomphus, 443^ 445^ 447^ 

 458^-59^; explanatiou of plate, 

 594% 

 Macrogomphus, 458% 

 spiniferus, Aeschna, 470^. 

 spinigera, Tetragoneuria, 490', 493% 



493*, 493% 

 spinipes, Sei>edon, 578% 

 spinosa, Teti-agoneuria, 431^ 490^, 

 493*, 493^ 495'; explanation of 

 plate, 594'. 



