ACRIDID^. 789 



2. Sphenariom Mexicanum. 

 Mexicanutn, Sauss. JRev. Zool. Ser. i. xi. 390. 

 Mexico. 



Genus 19. PHLCEOBA. 

 Goinphoceius (Phloeoba), Stal, Eug. Rem, 340. 



1. Phl(eoba rustica. 

 Gomphocerus (Phloeoba) rusticus, Stal, Eug. Resa, 340. 

 Jara. 



Genus 20. SINIPTA. 

 Gomphocerus (Sinipta), Stal, Eug. Resa, 340. 



1. Sinipta Dalmani. 



Gomphocerus (Sinipta) Dalmaui, Stal, Eug. Resa, 341. 



Monte Video. 



Note. — The genera Perisacris and Prosacris mentioned in the Synopsis, 

 page 721, may be annulled. 



Genus 21. PNORISA. 

 Gomphocerus (Pnorisa), Stal, Eug. Resa, 341. 



1. Pnorisa squalus. 

 Gomphocerus (Pnorisa) squalus, Stal, Eug. Resa, 341. 

 Cape. 



Genus 22. HEMIACRIS. 



3fas el fcem. Corpus sat gracile. Caput sat magnum, prolhorace 

 latins; fastigium transversum, planum, antice depressum ; sulci laterales 

 triangulares; frons brevissima. Antennae filiformes, sat validae, capiti et 

 prothoraci ad unum aequilongae. Prothorax brevissiraus, subcarinalus, 

 apud medium subcontractus, margine postico rotundalo non producto. 

 Presternum transverse subjugatum. 



Male and female. Body rather slender. Head large, broader than 

 the prothorax ; tip of the vertex flat, transverse, concave on the fore border ; 

 lateral furrows triangular; front very short, the inner keels converging 

 towards its fore border; face very short. Eyes transversely elliptical, 

 rather large and prominent. Antennae filiform, rather stout, as long as the 

 head and the prothorax together. Prothorax very short, its breadth 

 exceeding its length, slightly contracted in the middle; middle keel 

 extremely slight: transverse impressed lines distinct; hind border rounded, 

 not elongated. Prosternum with a slight transverse ridge. Hind femora 

 a little shorter than the abdomen. Hind tibiae shorter than the hind 

 femora, their spines very minute. Wings with the usual structure. 



2 b 



