516 PROCEEDINGS OF THE ACADEMY OF [Jline, 



Measurements. 



Total length, 96 mm. 



Length of head, 4.3 " 



Length of pronotmn, 3.3 " 



Length of meson otiim, 24.3 " 



Length of metanotum (including median segment), . . . 15.5 " 



Length of median segment, 7 " 



Length of abdomen, 49 " 



Length of anterior femora, 28.5 " 



Length of anterior tibise, 33.5 " 



Length of median femora, 24.5 " 



Length of posterior femora 29.5 " 



Genus PARABACILLTJS Caudell. 



1903. Porabacillus Caudell, Proc. U. 8. Nat. Miis., XXVI, p. 865. 

 Type. — Bacillus coloradus Scudder. 



Parabacillus palmeri (Caudell). 



1902. Bacillus palmeri Caudell, Ent. News., XIII, p. 274. [Durango, 

 Mexico.] 



Guadalajara, Jalisco. July 22 and August 16, 1903. (McClendon.) 

 Four females. 



Family ACRIDID.^. 



Subfamily ACRIDIN^. 



Genus ACHURUM Saussure. 



1861. Achurum Saussure, Revue et Magasin de Zoologie, 2e ser., XIII, 

 p. 313. 



Type. — Truxalis sumichrasti Saussure. 



Achurum sumichrasti (Saussure). 



1861. Tr[uxalis] Sumichrasti Saussure, Revue et Magasin de Zoologie, 2e 

 ser., XIII, p. 313. [Temperate Mexico.] 



Guadalajara, Jalisco. August 20 and September 18, 1903. (Mc- 

 Clendon.) Two females. 



Genus SYRBULA St&l. 

 1873. Syrbula Stal, Recensio Orthopterorum, I, p. 91, 102. 

 Included Oxycoryphus montezuma Saussure and Syi-bula leucoccrca 

 Stal. 



Syrbula pacifica Bruner. 



1904. Syrbula pacifica Bruner, Biol. Cent.-Amer., Orth., II, p. 44. [Tepic] 

 Guadalajara, Jalisco. September 14 and 18, 1903. (McClendon.) 



Male and female. 



