440 OKTHOPTERA. 



quarum supera majore, inflexa. Lamina infra-genitalis elongata, apiee tamen, ibique minute et sat 

 crebre transverse rugulosa, utrinque carinata, stylis brevibus pubescentibus instructa ; (longitudo stylorum 

 tertiam partem laminae longitudinem parum superat). 



2 . Long. corp. 35-37 ; pronot. 6-5-7 ; elytr. 40-41-5 ; f'emor. post. 25-27 ; ovipos. 15-5 millim. 



c? . Long. corp. 37 ; pronot. 7 ; elytr. 38 ; femor. post. 24-5 millim. 



Hab. Panama, Punta de Sabana, &c, Isthmus of Darien. 



The male is coloured like Cocconotus sagittatus (antea, p. 433), but differs from the 

 corresponding sex of that species in its short styli. 



[SEMILEPTOTETTIX, Brunn. 

 Semileptotettix, Brunn. v. W. Monogr. der Pseudophyll. p. 225. 



1. Semileptotettix pilosus, Brunn. 



Semileptotettix pilosus, Brunn. v. W. Monogr. der Pseudophyll. p. 226 ( $ ). 

 Hab. Colombia, Medellin. 



2. Semileptotettix viridifrons, Brunn. 



Semileptotettix viridifrons, Brunn. v. W. Monogr. der Pseudophyll. p. 226 ( ? ) . 

 Hab. Colombia.] 



[TELEUTIAS, Stfil. 

 Teleutias, St&l, Recens. Orthopt. 2, p. 65 (1874) ; Brunn. v. W. Monogr. der Pseudophyll. p. 228. 



l. Teleutias castaneus, Brunn. 



Teleutias castaneus, Brunn. v. W. Monogr. der Pseudophyll. p. 231 ( $ ) . 

 Hab. Colombia, Banos.] 



EUACRIS *, gen. nov. 



Corpus gracile, colore viridi. Yerticis rostrum lanceolatum, scroba antennarum vix superans, sulcatum, basi 

 tuberculos eompressos 2 minutos, invicem remotos gerens. Articulus primus antennarum superne dentem 

 hebetatam vix prominulam, a margine depresso baud sejunctam obferens. Pronotum supra teres, dense 

 verruculatum ; sulcis angustis ; sulco postico pone medium exarato ; margine postico subarcuato. Lobi 

 laterales longiores quam altiores, margine infero verruculoso-crenato, angulo postico obtusangulo. Elytra 

 longa, angusta, semicoriacea, yenis omnibus rectis. Venae humeralis et discoidalis a basi remote, parallel®, 

 ultra medium divergentes ; vena humeralis ante apicem elytri desinens, venas costales remotas emittens ; 

 vena mediastina distincta, ramosa, ad quartam partem marginis finem babens. Venae ulnares bin® 

 subrectae, apicem elytri fere attingentes, saltern antica. Ala? coloratse. Prosternum spinis 2 trigonalibus 

 hebetatis armatum. Mesosterni lobi trigonales, breves ; metasternum haud lobatum, foramine magno, in 

 forma litteris V retro-impresso. Pedes graciles, longi. Coxa3 intermediaa subtus baud tubercula'tse. 

 Pemora subtus spinosa ; postica gracillima, tota longitudine spinosa ; lobi geniculares omnes valde 

 spinosi. Tibiae anticae supra sulcataB ; intermedia? supra spinosse. 



2 2 • Ovipositor robustissimus, subtus latus, compressus. Lamina infra-genitalis late trigonalis. 



ev, belle, valde ; aicpls, locusta. — A remarkable locust. 



