1916.] NATURAL SCIENCES OF PHILADELPHIA. 313 



Explanation of Plates XII, XIII, XIV. 



Plate XII. — Fig. 1. — Neotettix proavus new species. Macon, Georgia. Female 

 (type). Lateral outline. (X 5) 



Pig. 2. Same. Female (type). Cephalic outline of head. (X 5) 



Fig. 3. -Tettigidea armata Morse. Florence, South Carolina. Male. Out- 

 line of cephalic margi' >f dorsum of pronotum (no cusp). (Greatly 

 enlarged.) 



Fig. 4.— Tettigidea armata Morse. Florence, South Carolina. Male. 

 ( hitline of cephalic margin of dorsum of pronotum (moderately cuspidate). 

 (Greatly enlarged, i 



Fig. 5. — Tettigidea armata Morse. Florence, South Carolina. Male. Out- 

 line of cephalic margin of dorsum of pronotum (strongly cuspidate). 

 (Greatly enlarged.) 



Fig. (i. — Orphulella halophila new species. Key West, Florida. Female 

 (type). Lateral figure. (X 2) 



Fig. 7. — Same. Female (type). Dorsal outline of head and pronotum. 

 .(X2) 



Fig. 8. — Same. Male (allotype). Dorsal outline of head and pronotum. 

 .(X2) 



Fig. 9. — Spharagemon crepitans (Saussure). St. Simon's Island, Georgia. 

 Male. Dorsal figure. (X 2) 



Fig. 10. — Same. St. Simon's Island, Georgia. Male. Lateral figure. 

 (X2) 



Fig. 11. — Melanoplus nubilus new species. Fayctteville, North Carolina. 

 Male (type). Lateral outline. (X 2) 



Fig. 12. — Melanoplus stegocercus new species. Cannoche River at Grove- 

 land, Georgia. Male (type). Lateral outline. (X 2) 



Fig. 13. — Melanoplus minis new species. Weldon, North Carolina. Male 

 (type). Lateral outline. (X 2) 



Fig. 1-4. — Melanoplus scapularis new species. Jesup, Georgia. Male (type). 

 Lateral outline. (X 2) 



Plate XIII. — The enlargement of the supra-anal plates is about 10 times, of 

 the cerci about 25 times and of the subgenital plates about 10 times. 



Fig. 1. — M elanoplus decorus Scudder. Winter Park, North Carolina. Male. 



Dorsal figure of supra-anal plate and furcula. 

 Fig. 2. — Same. Winter Park, North Carolina. Male. Lateral outline 



of cercus. 

 Fig. 3. — Melanoplus australis Morse. Isle of Hope, Georgia. Male. 



Dorsal figure of supra-anal plate and furcula. 

 Fig. 4. — Same. Isle of Hope, Georgia. Male. Lateral outline of cercus. 

 Fig. 5. — Melanoplus att< nuatus Scudder. Magnolia, South Carolina. Male. 



Dorsal figure of supra-anal plate and furcula. 

 Fig. 6. — Same. Magnolia, South Carolina. Male. Lateral outline of 



cercus. 

 Fig. 7. — Melanoplus hebardi (Rehn). Tyty Plantation, Thomas County, 



Georgia. Male (type). Dorsal figure of supra-anal plate and furcula. 

 Fig. 8. — Same. Male (type). Lateral outline of cercus. 

 Fig. 9. — Melanoplus nubilus new species. Fayctteville, North Carolina. 



Male (type). Dorsal figure of supra-anal plate and furcula. 

 Fig. 10. — Same. Male (type). Lateral outline of cercus. 

 Fig. 11. — Melanoplus stegocercus new species. Cannoche River at Grove- 

 land, Georgia. Male (type). Dorsal figure of supra-anal plate. 

 Fig. 12. — Same. Male (type). Lateral outline of cercus. 

 Fig. 13. — Same. Male (type). Lateral outline of subgenital plate. 

 Fig. 14. — Melauii/ilus mints new species. Weldon, North Carolina. Male 



(type). Dorsal figure of supra-anal plate. 

 Fig. 15. — Same. Male (type). Lateral outline of cercus. 

 Fig. 16. — Same. Male (type). Lateral outline of subgenital plate. 

 Fig. 17. — Melanoplus scapularis new species. Jesup, Georgia. Male 



(type). Dorsal figure of supra-anal plate. 



