Pocota 39, 73 



Podophyllum peltatum 275 



Polemoniaceae 329 



Polycodium staminium 278 



Polycolium staminium 280 



Polygalaceae 317 



Polypodium vulgare 283 



Polystichum 292 



Populus tremuloides 57 



Polygonaceae 320 



Polypodiaceae 306 



Polypodium vulgare 286, 292 



Polysticum achrosticoides 275 



Polytricum sp — 



Pontederiaceae 313 



poplar 57, 64, 73 



Potentilla canadensis 293, 294 



Portulacaceae 320 



Potomogetonaceae 308 



practical measures 51 



predaceous larvae 39 



predatism of larvae 42 



Primulaceae 328 



prolegs - 20 



protective coloration 27, 30, 35 



protective structures and hab- 

 its 27, 30 



Prunus serotina 89 



virginiana (serotina) 263 



Pseudomyrma 48 



Psilota flavipennis 81 



Ptenophyta 306 



Pterallastes thoracicus 94 



ptilinum 13 



Pupa of Syrphidae 28 



key to 52 



puparium 28, 29 



rat-tailed 29 



Pyrola elliptica 275, 292 



Pyrolaceae 328 



Queen of the Valley (Sugar 



Grove) 260 



Quercus alba 273 



bicolor 263 



imbricaria 263 



palustris 263 



prinus 275, 281 



velutina 273, 280, 281 



Rainfall, Sugar Grove 257 



Ranunculaceae 315 



Ranunculus recurvatus 269, 275 



sceleratus 264 



septentrionalis 264 



rat-tailed larvae..l4, 21, 23, 24, 25, 39 



Reaumur, cited 44 



relations of adults to other 



animals 48 



to other insects 48 



to plants 48 



respiratory cornua, 



larval 17, 22, 28 



pupal 24, 28, 29, 31 



respiratory structures, 



posterior 17, 19, 22, 23, 24, 28, 29 



Rhamnaceae 324 



Rhingia 12, 15, 39, 67 



nasica 89 



Rhododendron maximum 273 



Rhus toxicodendron 275 



Riley, cited 39, 47, 62, 66, 67 



Rock House 253 



Rosaceae 321 



Rosa 66 



virginiana 280 



Rondani, cited 12, 63 



Rubiaceae 334 



Rubus allegheniensis.... 289, 293, 294 



procumbens 293, 294 



Rudbeckia laciniata 267 



Rumex crispus 54, 56, 58, 59 



obtusifolius 54 



Rutaceae 317 



Salix nigra 263, 266 



sp 91, 96 



Salicaceae 326 



Sambucus racemosa 290 



Sanicula canadensis 276 



Santalaceae 328 



Sassafras 275 



Saururaceae 321 



Saxifragaceae 323 



Say, cited 12 



Schaffner, J. H., article by 131 



cited 303 



Scheucherizaceae 308 



Schiner, cited 12 



Schizoneura lanigera 62, 63 



Scholtz, cited 72 



Scopoli 12 



Scrophulariaceae 330 



Scrophularia 39 



Scudder, Dr. S. H., cited 15 



Sculpturing of egg shell 16 



Scytomonas 412 



seasonal occurrence 25, 30, 34 



segmental spines 18, 20 



segmentation of larvae.... 18, 20, 21 



Selaginelleae 307 



Selaginellaceae 307 



Senecio aureus 264, 267 



Senogaster comstocki 94 



Sericomyia 39 



bifasciata 90 



borealis 69 



chrysotoxoides 90 



457 



