Hagenius 51 



brevistylus 52 



Hetarina 11 



americana 11 



tricolor 13 



Ischnura 47 



verticalis 48 



Lestes 15 



congener 15 



disjuncta 18 



forcipata 19 



inasqualis 21 



rectangularis 20 



uncata 17 



unguiculata 16 



vigilax 20 



Libellulina 91 



Libellula 95 



auripennis 97 



basalis 96 



cyanea 97 



exusta 99 



incesta 99 



pulchella 101 



quadrimaculata 100 



semifasciata 100 



vibrans 98 



Macromia 85 



illinoisensis 87 



tcEniolata 86 



Mesothemis 113 



simplicicollis 113 



Nehallennia 29 



irene 29 



posita 30 



Ophiogomphus 53 



rupinsulensis 53 



Pachydiplax 114 



longipennis 114 



Pantala 93 



flavescens 93 



hymenaea 93 



Perithemis 112 



domitia 112 



Plathemis 102 



tritnaculata 102 



Tetragoneuria 89 



cynosura 89 



semiaqua 90 



Tramea 94 



Carolina 95 



lacerata 94 



onusta 95 



Note. — Mr. E. B. Williamson concludes that Enellagma Fischeri is equivelent to Say's 

 antennata. A conclusion which he states is concurred in by Mr. P. P. Calvert. 



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