362 ORTHOPTERA. 



d 1 . Lamina infra-genitalis plus minus incisa ; stylis longiusculis, teretibus instructa. 



$ . Long. corp. 20-23 ; pronot. 5-6 ; etytr. 36-41, lat. 12-13 ; femor. post. 18-20 ; ovipos. 5-6 millim. 



c? . Long. corp. 18-25 ; pronot. 5-6 ; elytr. 31-40, lat. 10-12 ; femor. post. 16-20 millim. 



Figures : — Fig. 6, pronotum, elytron, and wing of the female, in profile. — Fig. 7, anterior part of the male 

 insect, from above. — Fig. 8, the head from in front, magnified. 



Hab. Noeth Amekica, Georgia, Carolina, Texas. — Mexico, Orizaba, Mirador, Cordova 

 (Saussure), Atoyac in Vera Cruz (Schumann, H. H. Smith), Misantla (F. D. <?.), 

 Teapa in Tabasco (H. H. Smith) \ Guatemala (Mus. Genavense), Duefias, Capetillo 

 (Champion); Nicaragua, Chon tales (Janson) ; Costa Eica, Volcan de Irazu (Sogers), 

 La Palma (Biolley) ; Panama, Volcan de Chiriqui (Champion). 



[9. Microcentrum concision, Brunn. 



Microcentrum concisum, Brunn. v. W. Monogr. der Phaneropt. p. 340. 10. 



Hab. Colombia. 



This and the following species are unknown to us.] 



[10. Microcentrum ligatum, Brunn. 



Microcentrum ligatum, Brunn. v. W. Additam. zur Monogr. der Phaneropt. p. 180. 15. 

 Hab. Colombia.] 



11. Microcentrum cribrosum, sp. n. 



c? . Caput majusculum, prominulum. Vertex apice planatus, quam primus articulus antennarum triplo latior, 

 sulcatus, margine apicali transverse recto et carinulato, cum fronte angulum rectum vel subacutum 

 formans, illumque leviter superans ; ejus margo anterior in piano frontis jacens. Frons punctata, pro- 

 cessu supero lato, margine supero subsinuato, angulis rotundatis. Pronotum supra latum, parallelum, 

 ubique grosse punctatum ; canthis lateralibus leviter rotundatis, per sulcum anteriorem valde incisis ; 

 sulco posteriore obsoleto, dcpressionem formante ; margine antico subsinuato, dente nullo, margine postieo 

 parum fortiter areuato. Lobi laterales rectangulatim inserti, punctati, seque lati ac alti. Elytra latissima, 

 parum longa, modice coriacea, reticulosa, margine postieo valde areuato ; vena principali valde flexuosa. 

 Yena media a vena principali remota, illi parallela, cum ilia venulis transversis parallelis conjuncta ; 

 ejus ramus secundus cum vena ulnari per venulam longiusculam conjunctus. Femora antica mutica; 

 intermedia in margine posticD dente unico armata ; postica in utroque margine a medio spinulosa. Tibiae 

 posticae a latere basin versus latiores. Cerci longiusculi, apice denticulo minimo nigro. Lamina infra- 

 genitalis truncata, stylis longiusculis. 



cJ . Long. corp. 22 ; pronot. 6 ; elytr. 35, lat. 14 ; femor. post. 20 millim. 



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



A very distinct species by reason of its wide, carinated vertex, coarsely punctured 

 pronotum (the punctuation being coarser than in M. punctifrons), and wide elytra. 



12. Microcentrum Colosseum, Brunn. (Tab. XVII. figg. 9, 10, 6 .) 



Microcentrum colosseum, Brunn. v. W. Monogr. der Phaneropt. p. 341. 11 ( $ ). 



Prasinum. Vertex valde declivis, apice quam primus articulus antennarum triplo vel quadruplo latior. Pro- 

 notum supra parallelum, antice fornicatum : canthis nullis, complete rotundatis ; impressionibus mediis 

 distinctis, ad sulcum posticum bifoveolatis ; parte postica plana, punctata, margine postieo valde areuato. 



