ILLUSTRATIONS. 



PLATES. 



Facing 

 Page 

 Plate I. 



Fig. i. Ridge "bald" at east end of Roan Mountain i 



Fig. 2. "Laurel bald" on slope of Grandfather Mountain, habitat of 



Podisma glacialis variegata and Melanoplus sylvestris i 



Plate 2. 



Fig. i. Habitat of Trimerotropis saxatilis, Stone Mountain, Ga 56 



Fig. 2. Habitat of Trimerotropis saxatilis, Sand Mountain Plateau, 



near Trenton, Ga 56 



Plate 3. 



Fig. 1. Habitat of Trimerotropis citrina and T. marilima, on sea- 

 beach at Cape Henry, Va 56 



Fig. 2. Habitat of Trimerotropis citrina, on sandy river-wash in 



Piedmont region, Morganton, N. C 56 



Plate 4. 



Fig. I. The Florida strand, habitat of Scirtetica picta, etc 56 



Fig. 2. The Florida strand, habitat of Orphulella olivacea, etc 56 



Plate 5. 



Fig. 1. The Florida strand, habitat of Hesperotettix pratensis 56 



Fig. 2. Pine barrens, habitat of Gymnoscirtetes pusitlus, etc 56 



Plate 6. 



Fig. 1. Type locality of Melanoplus strumosus 56 



Fig. 2. Type locality of Melanoplus symmetricus 56 



Plate 7. 



Fig. 1. Normal sylvan habitat of Melanoplus amplectens 56 



Fig. 2. Extended habitat of Melanoplus amplectens 56 



Plate 8. 



Fig. 1. Summit "balds "east of Roan Mountain, North Carolina... 56 

 Fig. 2. Protective coloration 56 



TEXT FIGURES. 



Page 



Fig. 1. Map showing the route traveled 10 



2-10. Cerci of male Melanoplus: 2, M. sylvestris; 3, M. celatus; 4, M. 

 carnegiei; 5, M. divergens; 6, M. similis; 7, M. tribulus; 



8, M. devius; 9, M. deceptus; 10, M. symmetricus 46 



11. M. decoratus: Lateral view of end of abdomen of male 51 



12. M. strumosus: Lateral view of end of abdomen of male 51 



13. M. strumosus: Dorsal view of end of abdomen of male 51 



5 



