ISCHNOPTERA. 39 



10. Ischnoptera azteca, Sauss. 



Ischnoptera azteca, Sauss. Rev. et Mag. Zool. 1862, p. 170; Mem. Mex., Blatt. p. 88. 30 (<J) ; 



Brunn. de W. Syst. Blatt. p. 141. 26; Sauss. Miss. Scient. Mex., Orthopt. p. 65. 17. 

 Blatta otomia, Sauss. Mem. Mex., Blatt. p. 104. 42, <J (nee $ ). 



Hab. Mexico, temperate regions. 



11. Ischnoptera tolteca, Sauss. 



Ischnoptera tolteca, Sauss. Rev. et Mag. Zool. 1868, p. 356. 9 ( $ ? ) ; Miss. Scient. Mex., Orthopt. 

 p. 64. 16 (? $), t. 2. fig. 37. 



iifa#. Mexico, temperate regions ; Guatemala, Cerro Zunil (Champion). 



12. Ischnoptera nana, sp. n. 



S . I. incce simillima, at minor. Caput et pronotum rufo-castanea ; hoc marginibus lateralibus testaeeo- 

 < pellucidis, impressionibus discoidaKbus obsoletis. Elytra rufo-castanea. Alae hyalinae, venis testaceis ; 



venulaa costales longiuscule incrassataa ; vena ulnaris ramis apicalibus 2, incompletis 3-4. Pedes testacei ; 



abdomen fusco-rufidum, supra basi testaceum. Lamina supra-analis trigonalis, apice rotundata ; infra- 



genitalis stylis 2 normalibus. 

 c? . Long. 8 ; elytr. 8, pronot. 2*75, latit. pronot. 3 millim. 



Hab. Nicaeagua, Chontales (Janson). 



Extremely close to I. inca, but the pronotum with transparent margins and with very 

 slight impressions; the lamina supra-analis not so broadly produced, triangular, and 

 not truncated. 



13. Ischnoptera parvula, Sauss. 



Ischnoptera parvula, Sauss. Rev. et Mag. Zool. 1869, p. 112. 13 ; Miss. Scient. Mex., Orthopt. 

 p. 62. 12 (?) ; Melang. Orth. ii. fasc. iv. p. 102. 3 ( J ? ) . 



$ . Minuta, castanea, subfcus testacea. Caput castaneum. Pronotum castaneum, marginibus anteriore et 

 lateralibus luteis ; elytrorum margine costali pallescente. Alae $ obtusae, vitreae, margine costali inqui- 

 nato ; vena ulnari ramis completis 2, incompletis minutis 3-4. Abdominis basis et pedes lutei. Lamina 

 supra-analis 5 sat longa, apice truncata, subrotundata. Cerci fusci. 



S . Lamina supra-analis longe producta, acutangula, apice hebetato, laminam infra-genitalem, superante ; 

 lamina infra-genitalis trapezina, truncata, angulis rotundatis, nonnunquam irregularis. 



$ . Long. 8-8 ; elytr. 8-5, pronot. 2*5, latit. pronot. 3*25 millim. 



c?. Long. 8-2; elytr. 8, pronot. 2, latit. pronot. 2*75 millim. 



Hab. Nicaeagua, Chontales (Janson). — Beazil ; Cuba (Saussure). 



The Nicaraguan specimen here described is of a browner colour than those from 

 Cuba, with the pronotum distinctly margined with yellow. The lamina supra-analis is 

 also less produced, and rather more truncated and rounded at the tip. The males from 

 Cuba have the lamina supra-analis very triangular, prominent, with the tip truncate- 

 rounded ; the lamina infra-genitalis rather short, rounded, irregular, with one stylus 

 near the middle. 



