LEPTOSTYLUS. 149 
elytris postice declivibus, apice angustatis et breviter truncatis, dorso seriatim fasciculato-tuberculatis, 
apice levibus, lateribus unicostatis. 
Long. 33 lin. 
Hab. Nicaragua (Sallé). 
9. Leptostylus lazulinus. | 
L. hilari affinis at minor, aliter coloratus elytrisque setosis vix fasciculatis: convexus, griseo-fuscus, viridescens, 
subsericeo micans, elytris apice singulis plagis tribus late griseo-viridibus ; thorace 5-tuberculato, lateribus 
medio tumidis ; elytris postice gradatim declivibus, apice paullo productis sed obtusis, prope basin inaqua- 
libus, singulis costa discoidali, altera marginali, tuberculisque setiferis sublineatim digestis. 
Long. 43 lin. 
Hab. Mexico, Cordova (Sallé). 
10. Leptostylus cineraceus. (Tab. XI. fig. 19). 
Leptostylus cineraceus, Bates, Trans. Ent. Soc. 1874, p. 230°. 
Hab. Nicaragua, Chontales (Belt 4). 
11. Leptostylus decipiens. 
Leptostylus transversus, Bates, Trans. Ent. Soc. 1872, p. 211* (nec Gyllenhal). 
L. transverso simillimus, at differt elytris post medium haud transverse cristatis: fuscus, supra (ut in L. transverso) 
plus minusve canescens, thorace lateribus (sub tuberculo) elytrisque macula laterali elongata a basi usque 
ultra medium extensa et guttulis duabus ante apicem nigro-fuscis; thorace medio prominulo, lateribus 
postice paullo sinuatis, dorso quinquetuberculato ; elytris apice oblique sinuato-truncatis, dorso fasciculis 
parvis utrinque in series quinque ordinatis omnibus discretis, declivitate posteriore vix obscuriore ; meso- 
sterno angustulo, medio concavo. 
Long. 43 lin. 
Hab. Nicaragua, Chontales (Belt +). 
12. Leptostylus xanthopygus. 
L. transverso affinis: fusco-cinereus, elytris postice fulvescentibus ante apicem callo transverso obtuso ; thorace 
sic ut in L. transverso tuberculato ; elytris postice citius et obtusius rotundatis, apice haud truncatis, dorso 
penicillis parvis in lineas digestis, prope basin magis elevatis spatioque levi antico-discoidali subdepresso ; 
supra declivitatem posteriorem (prope suturam) utrinque cristis brevibus duabus elevatis, interstitiis 
usque ad apicem crebre punctulatis; antennis rufescenti-cinereis, fusco-maculatis. 
Long. 34-4 lin. 
Hab. Nicaraeta, Chontales (Belt). 
Distinguished from L. ¢ransversus and its allies by the obtusely rounded apices of the 
elytra, by the smoother surface, the absence of medio-lateral dark spot, and the silky- 
tawny hue of the posterior declivity, at the commencement of which there are two 
short transverse ridges, one behind the other and near the suture. 
13. Leptostylus notaticollis. 
L. transverso affinis at minor: ochraceo-fuscus, thorace angulis posticis nigro maculatis guttulaque marginali 
utrinque prope angulum ; elytris medio dorso depressis, postea iterum convexis, dorso penicillis rigidis et 
