Hagenius 51 



brevistylus 52 



Hetaerina 11 



americana 11 



tricolor 13 



Ischnura 47 



verticalis 48 



Lestes 15 



congener 15 



disjuncta 18 



forcipata 19 



inrequalis 21 



rectangularis 20 



uncata , 17 



unguiculata 16 



vigilax 20 



Libelh:linfE 91 



Libellula 95 



auripennis 97 



basalis 96 



cyanea 97 



exusta 99 



incesta 99 



pulchella 101 



quadrimaculata 100 



semifasciata 100 



vibrans 98 



Macromia 85 



iilinoisensis 87 



tfeniolata 86 



Mesothemis 113 



simplicicoUis 113 



Xehallennia 29 



irene 29 



posita 30 



Ophiogomphus 53 



rupinsulensis 53 



PachN'dijjlax 114- 



longipennis 114 



Pantala 93 



flavescens 93 



hymenrea 93 



Perithemis 112 



domitia 112 



Plathemis 102 



trimaculata 102 



Tetragoneuria 89 



c^-nosura 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. 



