438 INDEX. 



Dendroica — Continued. Page. 



maculosa 375 



palmarum ■■ 377 



striata 376 



tigrina 37.'? 



virens 370 



Desor lalte, see Lalse Desor. 



Desor trail 8, 28, 30, 159, 254, 2C3, 396 414 



Dicera prolongata 197 



tenebrosa 197 



Dicltelyma uncinatum 231 



Diclserson, Mary E., frogs 333 



Dicranum f uscescens 229 



longitolium 229 



sclireberi 229 



scoparium 229 



undulatum 229 



Dictynidae 253 



Diervilla 72, 7-5 



diervilla 14, 21, 28, 29, 75, 225, 247 



Dimoderus substriatus 209 



Diodontus 68 



adamsi 319 



Diploataxis liberta 75, 199 



Diptera 77, 308 



Dispersal, centers of, beetles 183 



Dlstrichium capillaceum 230 



District of Columbia, Insects 168^ 312, 314 



Dogbane family 245 



Dogwood '. ..26, 86, 238, 244 



Dolichopodidae 312 



Dolocboderinae 325 



Dolomedes idoneus 31, 255, 258 



Dominance, insects 186 



Donacia 19,161 



cincticornis 64, 159, 202 



proxima 64, 159, 191, 201 



Dorytomus brevicollis 211 



Downy woodpecljer 91, 105, 119, 142, 239, 340, 354, 386 



Dragonflies 10. 11, 17, 19-23, 27, 29-31, 64, 65, 68, 72, 73, 249, 262, 305 



Drainage , 39, 51 



Drassidae 254 



Drassus neglectus 30, 75, 254, 257, 258 



saccatus 254 



Drasterius 75 



Drominus piceus 204 



Drosera 221 



intermedia 29, 219, 241 



linearis 219, 241 



rotundifolia 219, 241 



Droseraceae , 241 



Drupaceae 237 



Dry strawberry 242 



Dryobates pubescens raedianus 354 



villosus leucomelas 354 



Dryopteris fllix-mas 231 



f ragrans 231 



spinulosa , 231 



Dryopteris thelypteris 231 



Dwarf Canadian primrose 245 



Cassandra 244 



cornel 29, 244 



cranberry 15 



Dy tiscidae ' 19 1 



