PROCEEDINGS, 1917. 13 



Petiolate : Placed on a stem or stalk, applied to wing venation. (Plate 6, fig. 5.) 



Posterior : Hinder or hindermost. 



Posterior process : The posterior prolongation or prong of the pronotum in 



Membracidae. 



(Plate 6, fig. 1.) 

 Pronotum : The upper or dorsal portion of the prothorax. It is greatly developed in 



Membracidae covering both the top and sides of the thorax and a large 



part of the abdomen. 

 Prothorax : The first segment or ring of the thorax, bearing the first pair of legs. 

 Suprahumeral horns: lateral prolongations of the humeral angles found in the genus 



Ceresa (Plate 2 and 3, fig. 9.) 

 Truncate : Cut off squarely at tip, opposed to petiolate when applied to venation. 



(Plate 6, fig. 4.) 

 Tibia : The fourth or next to the last segment of the leg (Plate 6, fig. 2). 



*For terms of structures not explained in this article consult the Acrididae of 

 N. S., N. S. Ent. Society, Proc. No. 2. p. 27-30. 



Acl n o wled gem en t s . 



The writer desires to thank his assistants, Messrs. L. G. Saunders and W. E. 

 Whitehead for the drawings that they have prepared to illustrate this paper. He also 

 wishes to acknowledge the assistance of Mr. Henry Dietrich, Curator of Entomological 

 Museum, Cornell University, for transferring doubtful species to Dr. Funkhouser for 

 examination, and to thank the latter for his valued assistance in clearing up doubtful 

 points; also Mr. E. P. Van Duzee, for his kindness at all times in determining material. 

 Any value that the foregoing paper ma> have is due entirely to the assistance given the 

 writer by the foregoing. 



