82 OETHOPTEKA. 



[8. Chorisoneura minuta, Sauss. 



Chorisoneura minuta, Sauss. Rev. et Mag. de Zool. 1869, p. 113. 17 ((?); Miss. Scient. Mex., 

 Orthopt. p. 95. 8. 

 Hab. Argentine Eepublic, Corrientes.] 



[9. Chorisoneura inquinata, Sauss. 



Chorisoneura inquinata, Sauss. Rev. et Mag. de Zool. 1869, p. 112. 16 (?) ; Miss. Sclent. Mex., 

 Orthopt. p. 94. 6. 



Hab. Brazil.] 



10. Chorisoneura tssniata, sp. n. (Tab. II. fig. 22.) 



Testacea ; nonnunquam linea verticis inter oculos fusca. Pronotum pellucidum, margine anteriore arcuato. 

 Elytra pellucida, levissime fulvescentia vel areolis reticulationis leviter fulvis ; campo marginali subvitreo ; 

 ramis campi ulnaris parum longitudinalibus. Alae vitrese, venis testaceo-brunneis ; illis campi marginalis 

 decoloribus, vitta campi marginalis ad venam discoidalem posita, brunnea. Campus intercalatus acutan- 

 gulus, apice vix prominulus, a campo anteriore per incisuram angularem separatus. Abdomen superne 

 ntrinque vitta brunnea. $ S • 



5 . Long. 9, elytr. 9 millim. ; $ . Long. 8, elytr. 8 millim. 



Hab. Mexico, Tabasco (H. H. Smith). 



11. Chorisoneura translucida, Sauss. 



Blatta translucida, Sauss. Mem. Mex., Blatt. p. 113. 50 ( ? ). 

 Chorisoneura translucida, Sauss. Miss. Scient. Mex v Orthopt. p. 91. 2. 



Statura C. mystecce ; rnfescens, pedibus testaeeis ; vertice et pronoti disco brunneis ; elytris testaceis, in areolis 

 infuscatis, vitta basali humerali fusca, campo marginali subpellucido, parte obtecta elytri dextri infuscata. 

 Rami venae ulnaris parum longitudinales. Alae fusco-nebulosae, apice et campo marginali infuscatis, 

 venis costalibus 8-9 parum obliquis apice nodosis, venulis transversis inter primas 2-3. Area medio- 

 discoidalis quam area medio-ulnaris baud duplo latior, tota longitudine transverse venosa. Campus inter- 

 calatus nebulosus, basi subaeutangulus, apice modice prominulus, in medio obtusus. 



Long. 7*5, elytr. 75 millim. 



Hab. Mexico, Eastern Cordillera (Saussure). 

 [12. Chorisoneura gracilis, Sauss. 



Blatta gracilis, Sauss. Eev. et Mag. de Zool. 1862, p. 167; Mem. Mex., Blatt. p. 111. 48 ( $ ). 

 Chorisoneura gracilis, Sauss. Miss. Scient. Mex., Orthopt. p. 93. 4 ( ? ). 

 Chorisoneura flavo-antennata, Brunn. de W. Syst. Blatt. p. 257. 2. 



Statura C. mystecce ; ferrugineo-flava, fronte inter antennas et capite supra nigris. Pronotum antice parum 

 arcuatum. Elytra et alas flavicantia ; alarum venae ut in G. mysteca, venis costalibus tamen elongato- 

 clavatis ; campo intercalato apice parum prominulo, vix arcuato. $ c? . 



Long. 8, elytr. 9 millim. 



Hab. Brazil, Rio Grande do Sul.] 



The following South-American species also belong to this genus : — 

 Chorisoneura multivenosa, Sauss.; nigrifrons, Serv. ; discoidalis, Burm. ; sordida^ 

 Brunn. 



