52 NATURAL 1II.ST()R^■ BULLETIN'. 



i6. Paratettlx toltecus Sdiiss. 



A single specimen of this species occurs among the material 

 from Ometepe. The species occurs throughout the greater 

 part of Mexico, and also reaches far into the United States 

 where it is especially abundant in the southwestern territories. 



17. Paratettlx sciiociiii BoJiv. 



Five specimens of a second Paratcttix from the same region 

 with the preceding are referred here. It is said also to occur 

 in various localities further north in Mexico. In fact I have 

 it from the vicinitv of Jalapa. 



18. Paratettlx caudatus Sauss. 



There are also two specimens of a third species of this genus 

 among the material from the same locality. It seems to agree 

 with the description of P. caiidatits, from Guiana, thus giving 

 us another South American insect for our fauna. 



19. SCARLV HAMATA So'V. 



A single specimen of this very slender grouse locust was 

 taken in a swamp upon aquatic vegetation. It was found 

 alontr the Los Sabalos River, northwest from Castillo. 



20. Tettigiuea nicaragu.-e n. sp. (PI. III., Fig. 3a, and 3b.) 

 About the size of T. laleraJh Say, but without the lon- 

 gitudinal ridges upon the dorsum of pronotum as in that 

 species. Its general color is much darker than in any des- 

 cribed species except T. multicostata Bolivar, from Brazil. 



Eyes a little larger and more prominent than usual in the 

 genus, separated bv a space about equal to their diameter, the 

 vertex more bulging than in the described species known to 

 me, viewed from the side projecting considerably above the 

 upper edges of the eves, but little constricted in the middle, 

 the front angles broadly rounded and only slightly carinated 

 just in advance of the constriction; median carina prominent 

 and forming with the frontal costa a well-rounded projection 

 in advance of the e3'es when viewed from the side; the frontal 

 costa quite wide, sulcate from the fastigium to the ocellus and 



