INDEX 



3 2 3 



Orlhoptcra- Continued 



Dicromorpha viridis, short-winged 



green locust, 190, 191, 192 

 Dissosteira Carolina, Carolina locust, 



' 261 

 Hippisais tuberculatus , coral-winged 



locust, 162, 163 

 Ischnoptera pennsyhanica, cockroach, 



218 



Leptysma marginicollis, slender- 

 bodied locust, 190, 191 

 Mecostethuslineatus, striped locust, 201 

 Melanoplus: 



angustipennis, narrow-winged lo- 



(i cust, 157, 158 



atlanis, lesser migratory locust, 



1^7, J S7 

 bimttatus, two-lined grasshopper, 



255, 256 



blatchleyi, Blatchley's locust, 219 

 extremis, northern locust, 201 

 femur-rubrum, red-legged locust, 



255) 2 56 



scudderi, short-winged locust, 231 

 viridipes, green-legged locust, -219, 



256 

 Nemobius: 



fasciatus, striped ground cricket, 

 , .. 190, 192, 1 93 



palnstns, marsh ground cricket, 201 

 Oecanthus: 

 u angustipennis, tree cricket, 166, 



222, 231 



fasciatus, 222, 231 

 latipennes, 222 

 nivens, 222, 231 

 ? ' quadripunctatus, 222 

 Orchelmium mdgare, meadow grass- 



, hopper, 256 

 Paratettix cucullatus, hooded grouse 



, locust, 269, 271 

 Paroxya: 



/z0<m'm,Hoosier locust, 190, 191,192 

 scudderi, Scudder's paroxya, 190, 



191, 192 



Phaelaliotes nebrascensis, Nebraska 

 locust, 190, 192, 193 



Psinidia fenestralis, long-horned lo- 

 cust, 156, 157, 158 



Schistocerca: 



alutacea, leather-colored locust, 162, 



192, 193 



' rubiginosa, rusty locust, 162 

 "-Scudderia: 



furcata, forked- tailed katydid, 224, 



243 

 texensis, Texan katydid, 241, 243 



Sparagemon wyomingianum, mottled 



sand locust, 156, 158 

 Stenobothrus curtipennis, short-winged 



brown locust, 201 

 Telligidea: 



armata, grouse locust, 188 



granulatus, 190 



lateralis, 188, 190 



parvipennis, 188, 255 



pennata, 255 

 Trimerotropis maritima, maritime 



locust, 156, 156 

 Tryxalis brevicornis, 190, 191 

 -Xiphidium: 



brevipenne, short-winged grass- 

 hopper, 255, 256, 271 



ensiferum, sworded grasshopper, 

 231 



fasciatum, 255 



nemorale, woodland grasshopper, 

 231 



nigropleura, black-sided grass- 

 hopper, 241 



strictwn, straight-lanced grass- 

 hopper, 163, 256 



saUans, glade grasshopper, 256 

 Oxygen, a factor in distribution, 106 



Painted cup, Castilleja coccinea 

 Palaeozoic, 30, 31, 51 

 Paleontology, 28 

 Panne, 114, 115 

 Parsnip : 



Cow, Heracleum lanatum 

 Wild, Pastinaca saliva 

 Pea: 



Beach, Lat hyrus maritimus 

 . Hoary, Tephrosia virginiana 

 Pennsylvanian period, 32, 38, 51, 54 

 Peridote, 75 

 Phlox: 



Hairy, Phlox pilosa 

 Wood, P. divaricata 

 Pigeon berry, see Shrubs, Cornus 



canadensis 

 Pigweed, winged, Cycloloma atriplici- 



folium 



Pine association, 115, 124 

 Pitcher plant, Sarracenia purpurca 

 Planarians, 291 

 Planets, 21, 25 

 Planetesimal hypothesis, 22 



