LIST OF ILLUSTRATIONS 



PAGE 



Pair of Varied-wing Locusts 



(Arphia xantkoptera) .... 353 

 Blatchley's Locust {Melanoplus 



hlatchlcyi) 355 



Two-striped Locust (Melanoplus 



hiviitaius) 357 



Long-horned Locust 361 



Mottled Sand Locust {Sphara- 



gemon wyomingianum) .... 363 

 Boll's Locust (Spharagemon 



bolli) 365 



Clear-nnng Locust (Camnula 



pellucida) 367 



Leather-colored Locust (Schis- 



tocerca alutacea) 369 



Short-wing Brown Locust {Ste- 



nobothrus curtipennis) .... 371 

 Clouded Locust (Encoptolophus 



sordidns) 373 



Grass Stems, showing dewdrops, 



the drink of grasshoppers. 



Initial drawing 375 



Mole Cricket (Gryllotalpa hore- 



alis); long-wing form .... 377 

 Striped Meadow Cricket .... 379 

 Steins of blackberry, horsewood, 



and goldenrod, stripped of 



their leaves to show the holes 



made by the striped meadow 



cricket {Oecanthus fasciatus), 



during oviposition 381 



Pennsylvania Field Cricket 



{Gryllus pennsyhanicns) . . . 386 

 Night home of the Katydids. 



Initial drawing 388 



Female Oblong-winged Katydid 



{Amblycorypha oblongifolia) on 



Dandelion 389 



PAGE 



Texan Ki,tydid as viewed at night 

 on flower df horse mint .... 390 



Pair of Oblong-winged Katydids 

 {Amblycorypha oblongifolia) on 

 monkey &ower (Mimulus rigens) 391 



Short- winged Green Locust {Di- 

 chromorphu viridux) 393 



Landscape, showing habitat of 

 short-winged green locust . . . 394 



Quaker, or "Sulphur-winged Lo- 

 cust (Arphia sulphurea) . . 397 



Landscape in the dune region, 

 showing typical habitat of 

 quaker locust 398 



View, showing habitat of pasture 

 locust 399 



Pasture Locust {Orphndla 

 speciosa) 401 



Short-horned Locust {Tryxalis 

 brevicorrds) 403 



Home of the short-horned locust 405 



Green-legged. Locust {Melanoplus 

 viridipes) 407 



Green-striped Locust {Chorto- 

 phaga viridifasciata) 409 



Landscape in the dune region in 

 April, showing habitat of gran- 

 ulated grouse locust 411 



Row of Granulated Grouse Lo- 

 custs {Tetrix granulata), show- 

 ing the median striped form . 412 



Row of Ornate Grouse Locusts 

 {Tetrix ornata), showing many 

 color forms and hybrids . . . 412 



Pennsylvania Cockroach {Isch- 

 noptera pennsylvanicu) .... 416 



Lesser Locust {Melanoplus at- 

 lanus) 417 



