296 ESSAI SUR LES ACRIDIENS 



(5.6. Processu pronoti laevi, dorso inter humeros transver- 

 simconvexo, carina média leviter elevata. 



6, T. Guatemalteca sp. n. 

 5.5. Elytris unicoloribus, irapictis. 7. T. Scudderi sp. n. 



1.1. Pronoto rugis regularibus sub parallelis percurrentibus. 



8. multi T.costata sp. n. 



1. T. Chichimeca Sauss. 



Fusca, fronte seepissime pallida; femoribus flavo-pictis, tibiis 

 rufis; granosa. Vertice antice obtuse angulato. Pronoto antice 

 obtuse angulato, postice acuto, apicem feraorum vix attingente, 

 carina média versus caput distincte arcuato-declivi, carinis latera- 

 libus prope marginem anticum distinctis, retrorsum subdivergenti- 

 bus, dorso longitrorsum rugoso. Elytris extus rufescentibus, prope 

 apicem impictis; alis abbreviatis. Femoribus posticis latis, granoso- 

 strigatis; articule primo tarsorum post. pulvillis subaeque longis. 



Long, corporis, (^, 10 mm., pronoti, 9 mm., fem. post., 6 mm. 



Tettix chichimeca Sauss. Rev. et Mag.deZool.XIII p. 400(1861). 

 » » Thomas, Syn. p. 244. 



Loc. Mexico calida (Saussure); Ciudad Durango (ma collection). 



J'ai vu un exemplaire de la coll. de M. Brunaer avec l'indication 

 Nossi-be, Madagascar, que je crois incertaine. 



2. T. cuspiDATA Scudd. 



Blackish brown, the head a little paler ; frontal carina of the 

 head compressed, rather prominent, sulcate from the middle of the 

 eyes downward. Whole head and pronotum as well as hind femora 

 covered rather profusely with minute depressed granulations, 

 giving a brighter appearance to the insect from their reflection of 

 the light. Pronotal shield extending behind nearly to the tip of the 

 posterior femora the front border angulated, and the compressed, 

 slightly elevated, but very distinct, médian carina produced ante- 

 riorly to a sharp point, reaching to the upper base of the frontal 

 carina of the head. Tegmina flat with very few and very indistinct 

 granulations, and excessively minute and crowded punctulations. 

 Wings very short, claws sharply spurred at the base; valves of 

 ovipositor rather stoutly serrulate. 



Length of body, 9, 17 mm., of pronotal shield, 13 mm., of hind 

 tibiae, 8 mm. 



Tettigidea cuspidata Scudd. Entomol. notes IV. p. 31 (1875). 



Loc. Andes du Pérou. 



Je place cette espèce, qui m'est inconnue en nature, à côté du 

 T. Chichimeca Sauss. par la longueur du pronotum qui ne dépasse 

 que de peu l'extrémité des dernières cuisses : la forme du bord anté- 

 rieur de ce même anneau qui s'étend sur la tête en forme d'épine 



