of the North American Orthoptcra. 453 



Cape Cod, (S. H. S.) 



* 3. O. GLABEKRIMUM. 



Xiphidium g-laberrimum, Burm., Handb. d. Ent. ; II. 707. 



(1838.) 



The dorsal band here is bordered with black, as is also 

 the outer edge of the sonorous apparatus of the male ; 

 antennse very long; ovipositor slightly expanded in the 

 middle. 



Conn., (Norton.) Georgia, (Gerhard.) 1 J^, 1 9. 



4. O. AGILE. 



Lociista agilis, Be Geer, Mem. ; III. 457. PI. 40, fig. 3. 



(1773.) 



Xiphidium agile, Burm., Handb. d. Ent.; II. 707. (1838.) 



This species has a short ovipositor, shaped much as in 

 O. vulgare, and a very narrow dark median sti-eak down 

 the face ; it has a shorter pronotum than O. vulgare. 



Maryland, (Uhler.) Illinois, (Mus. Comp. Zool.) 2 9. 



5. O. LONGIPEiNNIS, HOV. Sp. 



Dorsal band on head dark reddish brown, broad, nar- 

 rowing to the width of tubercle of vertex, not extending 

 over the face, divided on the pronotum, forming two nar- 

 row bands, scarcely reaching either front or hind border ; 

 wing-covers very long and slender, a little shorter than the 

 wings; tarsi with first two joints brown, the other two 

 dark green ; ovipositor not long, pointed, reddish brown ; 

 antennae extending back beyond tip of wings. 



Length of wing-covers, 116 in. ; of wings beyond wing- 

 covers, .1 in. ; of hind femora, .72 in. ; of ovipositor, .32 in. 

 1 9. 



Texas, (Mus. Comp. Zocil.). 



THYREONOTUS, SERVILLE. 



* 1. T. PACHYMERUS. 



Decticus pachymerus, Burm., Handb. d. Ent. ; II. 712. 



(1838.) 



