INDEX 



323 



Orlhoptcra — Continued 



— Dicromorpha viridis, short-winged 



green locust, 190, 191, ig2 

 — Dissosteira Carolina, Carolina locust, 



261 

 — Hippiscus iuberculatus, coral-winged 



locust, 162, 163 

 — Ischnoptera pennsylvanica, cockroach, 



218 

 ■ — Lcptysma marginicolUs, slender- 

 bodied locust, 190, IQI 

 - — M ecostethuslmeatus jStxiptdXocxxsl, 201 

 — Melanoplus: 



angiistipennis, narrow-winged lo- 

 cust, 157, 158 



atlanis, lesser migratory locust, 



,j;57/ 157 



hmttatus, two-lined grasshopper, 



255, 256 

 hlatchlcyi, Blatchley's locust, 219 

 extremis, northern locust, 201 

 femur-riibriim, red-legged locust, 



255, 256 

 scudderi, short-winged locust, 2ji 

 viridipes, green-legged locust, 219, 

 256 

 — Nemobiiis: 



fasciatus, striped ground cricket, 



190, 192, IQS 



palustris, marsh ground cricket, 201 

 — Oecanthus: 



angustipcfinis, tree cricket, 166, 

 222, 231 



fasciatus, 222, 231 



latipennes, 222 



nivens, 222, 2ji 



quadripunctatus, 222 

 — Orchelmiiim vidgare, meadow grass- 

 hopper, 256 

 — Paratcttix cnctdlatus, hooded grouse 



locust, 269, 271 

 ■ — Paroxya: 



hoos ieri,lioosieT\ocust, 190, igi, ig2 



scudderi, Scudder's paroxya, 190, 



191, ig2 



— Phaetaliotcs nebrascensis, Nebraska 

 locust, 190, 192, ipj 



— Psinidia fenestralis, long-horned lo- 

 cust, 156, 157, 15S 



— Schistocerca: 



aliUacea, leather-colored locust, 162, 



192, 193 



rubiginosa, rusty locust, 162 

 — Scudderia: 



fur cat a, forked-tailed katydid, 224, 



243 



iexensis, Texan* katydid, 241, 243 



— Sparagemon wyonmigianum, mottled 



sand locust, 156, ij8 

 — Stenobothrus curtipennis, short-winged 



brown locust, 201 

 — Telligidea: 



armata, grouse locust, 188 



granulatus, 190 



lateralis, 188, 190 



pdrvipennis, 188, 255 



pennata, 255 

 — Trinierotropis marilima, maritime 



locust, 156, 156 

 — Tryxalis brevicornis, igo, 191 

 — Xiphidium: 



brevipenne, short-winged grass- 

 hopper, 255, 256, 271 



ensiferum, sworded grasshopper, 

 231 



fas datum, 255 



nemorale, woodland grasshopper, 

 231 



nigropleura, black-sided grass- 

 hopper, 241 



strictum, straight-lanced grass- 

 hopper, 163, 256 



saltans, glade grasshopper, 256 



Oxygen, a factor in distribution, 106 



Painted cup, Castilleja coccinea 



Palaeozoic, 30, 31, 51 



Paleontology, 28 



Panne, 114, 115 



Parsnip : 



— Cow, Heracleuni lanatum 

 — Wild, Pastinaca saliva 



Pea: 



— Beach, Lathyrus maritimus 

 — Hoary, Tephrosia virginiana 



Pennsylvanian period, 32, 38, 51, 54 



Peridote, 7s 



Phlox: 



— Hair}^, Phlox pilosa 

 — Wood, P. divaricata 



Pigeon berry, see Shrubs, Corn us 

 canadensis 



Pigweed, winged, Cycloloma atriplici- 

 folium 



Pine association, 115, 124 



Pitcher plant, Sarraccnia purpurea 



Planarians, 291 



Planets, 21, 25 



Planetesimal hypothesis, 22 



