108 NORTH AMERICAN ACRIDIDAE (oRTHOPTERa) 



Texas: Beaumont, VII, 23, 1912, (Hebard; occasional in tangles of weeds 

 m forest), 3 d", 2 9. Nome, Jefferson County, VI, 30, 1916, (Rehn; at- 

 tracted to light on train after dark), IcT. Houston, VIII, 12, 1915, (R. and 

 H.), Id", 1 juv. o^. Harrisburg, Harris County, VIII, 13, 1915, (R. and H.; 

 common in flag-like, saw-edged grass near stream), 2 cf. Dickinson, Gal- 

 veston County, VII, 20, 1912, (Hebard; scarce in tall green plants near stream 

 in pine woods), 2 d", 1 9,2 juv. 9 ■ Burnet County, X, 1884, (F. G. Schaupp), 

 1 9, [Hebard Cln.]. San Antonio, VIII, 16, 1912, (R. and H.; San Antonio 

 river bottom, common in rank, high, green grasses and nettles), 13 o^, 3 9 . 



Explanation of Plate IV 



Fig. 1. — Achurum sumichrasti (Saussure). Fort Grant, Arizona. Male. 

 Dorsal view of tegmen and wing. (X IM) 



Fig. 2. — Achurum sumichrasti (Saussure). Fort Grant, Arizona. Male. 

 Lateral view of distal portion of abdomen. (X 8) 



Fig. 3. — Achurum sumichrasti (Saussure). Fort Grant, Arizona. Male. 

 Dorsal view of distal extremity of dextral caudal tibia. (Much enlarged.) 



Fig. 4. — Achurum sumichrasti (Saussure). Orizaba, Vera Cruz, Mexico. 

 Immature male. Lateral view of distal portion of abdomen. A. Supra- 

 anal plate. B. Tergite beyond supra-anal plate, which in the adult dis- 

 appears. C. Cercus. D. Subgenital plate. (X 8) 



Fig. 5. — Radinotatum minimiyenne (Caudell). Piper Plantation, near 

 Brownsville, Texas. Male. Lateral view. (X 2H) 



Fig. 6. — Radinotatum minimipenne (Caudell). Piper Plantation, near 

 Brownsville, Texas. Male. Lateral view of distal portion of aljdomen. 

 (X8) 



Fig. 7. — Radinotatum minimipenne (Caudell). Piper Plantation, near 

 Brownsville, Texas. Male. Dorsal view of distal ext remit}' of dextral 

 caudal tibia. (Much enlarged.) 



Fig. 8. — Radinotatum brcvipenne brevipenne (Thomas). Pomona, Florida. 

 Male. Lateral view of distal portion of abdomen. (X 8) 



Fig. 9.— Radinotatum brevipe7me peninsulare Rehn and Hebard. Home- 

 stead, Florida. Male (type). Lateral view of distal portion of abdomen. 

 (X 8) 



Fig. 10. — Truxalis brevicornis (Johannson). Fort IMycrs, Florida. Male. 

 Dorsal view of tegmen and wing. (X 2) 



