BLATTA. 45 



11. Blatta vitrea, Brunn. 



Phyllodromia vitrea, Brunn. de W. Syst. Blatt. p. 109. 28 (g). 



Blatta vitrea, Sauss. Miss. Scient. Mex., Orthopt. p. 30. 6, t. 1. fig. 18 ((?)• 



Blatta dilatata, Sauss. Rev. et Mag. de Zool. 1868, p. 98. 6 (<J) (nee ? , cfr. no. 10). 



Hab. Mexico, Eastern Cordillera, Sierra de Moyoapam (Saussure). 



12. Blatta orizabae, Sauss. 



Blatta orizaba, Sauss. Eev. et Mag. de Zool. 1868, p. 355. 8 ($ ? ) ; Miss. Scient. Mex., Orthopt. 

 p. 39. 15, 1. 1. figg. 24 a, b. 



Hab. Mexico, Eastern Cordillera, Orizaba (Saussure). 



13. Blatta acolhua, Sauss. 



Blatta acolhua, Sauss. Rev. et Mag. de Zool. 1868, p. 99. 8 (?) ; Miss. Scient. Mex., Orthopt. 

 p. 40. 16, t.l. fig. 25 a. 



Hab. Mexico, Eastern Cordillera (Saussure), Vera Cruz (Schumann), Teapa in Tabasco 

 (H. H. Smith). 



14. Blatta maya, sp. n. 



Pallide testacea, leviter rufescens ; pronoti disco rufo-flavido vel obsolete brunneo-irrorato. Elytra mediocriter 

 longa, leviter f ulvescentia. Alae amplae, venulis transversis campi antici fuscis ; venis costalibus apice 

 leviter incrassatis, haud coloratis. Lamina supra-analis 5 trigonalis, basi earinata, apice breviter fissa, 

 obtuse bidentula, S transversa, margine postico arcuato. Lamina infra-genitalis c? in medio producta et 

 impressa, truncata, angulis rotundatis, sty lis brevibus, apicalibus, invicem propinquis instructa. 



Long. 12 ; elytr. 12-5, pronot. 4, latit. pronot. 5 millim. 



Hab. Mexico, Temax in North Yucatan ( Gaumer). 



15. Blatta zapoteca, Sauss. 



Blatta zapoteca, Sauss. Eev. et Mag. de Zool. 1862, p. 166; Mem. Mex., Blatt. p. 105. 44; u. 

 Scient. Mex., Orthopt. p. 34. 10, 1. 1. fig. 21. 



2 . Media, fulvo-testacea ; abdomine fusco vel infuscato. Antennae basi fuscae. Caput nigrum, vertice inter 

 oeulos flavido, lineolis 4 fuscis ; ocellis, macula inter antennas alteraque clypei, flavis. Oculi a supero 

 visi convergentes, invicem remoti. Pronotum testaceum, ellipticum, margine postico vix arcuato, disco 

 fusco-marmorato, amoene multipicturato, lateribus frequenter fusco-punctatis, margine laterali subtiliter 

 fusco. Elytra modice longa, abdomen superantia, fulvescentia, vena humerali et discoidali basi fusciB. 

 Alae subvitrese, venis fusco-testaceis ; margine anteriore et apice fulvescentibus ; venis costalibus apice 

 elongato-incrassatis. Pedes testacei, ad spinas f usco-punctati. Femora superne et interdum subtus fusco- 

 marginata. Tibiae et articuli tarsorum apice fusci. Lamina supra-analis trigonalis, earinata, apice 

 angulato-incisa. Segmentum ventrale haud superans. Cerci modice longi. 



Var. Caput testaceum, fusco-maculatum. Abdomen piceum vel testaceum. Femora vix fusco-marginata. 



Long. 14-5 ; elytr. 13, pronot. 4, latit. pronot. 6*25 millim. 



Hab. Mexico (Saussure) ; Guatemala, Capetillo (Champion), 



A very distinct species, remarkable on account of the curious brown picturing of its 

 pronotum, marmorated with regular drawings, sometimes imitating flowers, or, if more 

 brown is present, with yellow spots. 



