INDEX. 455 



Page. 



Pinaceae 234 



Pine family 234 



grosbeak • 91, 340, 365 



siskin 83, 86, 119, 340, 366 



Pingulcula vulgaris 222, 24B 



Pinlcola enucleator 365 



Pink coiydalis 241 



family 240 



Pinus divaricata 225, 235 



resinosa 226, 235 



sti-obus 226, 23 1 



Plpsissewa 243 



Pisauridae 255 



Pisces 330 



Pisidia 283 



Pisldium 13, 18, 27, 64, 65, 298 



abditum , 298 



affine .- 65, 282, 296 



idalioense 283, 295 



medianum " 66, 282, 297 



milium 207 



paupereulum 282, 207 



punctatum simplex 282, 297 



roperi 282, 296 



rotundatum 297 



sargenti 282, 283, 296 



scutellatum 29G 



spendidulum 282, 297 



subrotundum 65, 66, 282, 290 



rariabile • 295 



Tar. brevius > 296 



ventricosum 290 



Pissodes dubius 211 



Pitclier plant 16 18, 21, 26, 29, 87, 241 



Placodium elegans 227 



Planorbus bicarinatus 17, 61, 63, 282, 283, 292 



royalensls 61, 64, 293 



var. striatus 292 



campanulatus 19, 61, 64, 282, 283, 293 



exacuous 293 



exacutus ' 63 



liirsutus 293 



parvus 10, 19, 63, 71, 293 



trlTolvis 63, 292 



Plant societies 217 



supremacy 220 



Plants, list of 227 



Plateros (Eros) modestus 209 



Platychirus hyperborea 313 



peltatus 77, 312 



Platynus aeruginosus 204 



4 punctatus 193 



Plecoptera 306 



Piegoderus sayi 207 



Pleistocene beaver 404 



Pleurotus 77 



Plover 124 



Plum family 237 



Poa pratensis 233 



Podabrus diadema 158, 199 



laevicollis 209 



modestus 209 



tomentosus 199 



