68 NATURAL HISTORY BULLETIN. 



various parts of Mexico, at no locality, however, is it con- 

 sidered at all common. 



50. Odontogryllus setosus Sauss. 



There is a single specimen that is supposed to belong here, 

 from the jungles near Castillo, a region that appears to abound 

 with these insects. 



51. Dyscophus salt atop. Sanss. 



I find among the orthopterous insects collected in Castillo 

 at night two specimens, male and female, of this wingless 

 cricket. This would indicate for the insect a habit of fre- 

 quenting nooks about houses and like localities, since they 

 could not be drawn to the lights from the woods. 



52. CECANTHUS TENUIS JVa/k. 



Another single specimen from Ometepe is made out to be 

 Walker's species. It differs from our CE. niveiis and allies in 

 the antennal markings. 



53. Cyrtoxiphus aztecus Sauss. 



I find two specimens of this little cricket among the speci- 

 mens collected at lights in Castillo. 



54. Cyrtoxiphus gundlachi Sanss. 



A single specimen of another species of the genus Cyrtoxi- 

 phus is placed here. It is from the same locality as the pre- 

 ceding. 



55. Cyrtoxiphus sp. 



I also find among the material collected at Camp Menocal, 

 on the canal, three specimens of a third species of the genus 

 which I cannot definitely place. It may be new, but the 

 specimens are too poor for describing. 



56. Parcecanthus NIGER Sauss. 



A single specimen of this black tree cricket occurs among 

 the material collected at Greytown, It is a peculiar looking 

 species that reminds one not a little of another species from 

 Japan. 



