(i02 mr. h. w. dates on new [May 21, 



Tachys diploharpinus. 



Oblongus, modice convexus, sericeo-nitens , subopalescens ; partibus 

 oris, antennis pedibusque fulvis ; mandibulis acute hamatis ; oculis 

 prominulis ; foveis frontalibus for titer impressis, post oculos cur- 

 vat is ; thorace lato, postice modice sinuato-angustato, angulis 

 posticis exstantibus acutis, margine laterali elevato-explanato ; 

 elytris Icevibus, stria suturali solum fortiter impresso, striola api- 

 cali recurva fortiter impressa, apice setifero, foveis irregularibus 

 duabus submarginalibus, puncto discoidali mediano. 



Long. 1^ lin. 



Hab. Chontales, Nicaragua (Jansoti). 



A species remarkable for its many points of resemblance to the 

 genus Diploharpus. 



Bembidium (Notaphus) flohri. 



Oblongum, parallelogrammicum, deprcssum, ccneum nitidum, elytris 

 pallido-testaceis, regione scutellari, gutta utrinque discoidali, 

 maculaque major e poslmediana transversa fuscis ; palpis, antennis 

 et pedibus fulvo-testaceis ; sulcis frontalibus modice impressis sim- 

 plicibus ; capite Icevi ; thorace postice angustato, angulis posticis 

 obtusis fere rotundatis, supra medio bast strigoso, fovea utrinque 

 vaga, lata, rugulosa, carinaque acuta oblique ad angulum posticum 

 duct a ; elytris thorace vix latioribus, integriter punctulato-striatis, 

 interstitiis planis, tertio tripunctato. 



Long. 2-2| lin. 



Hab. Mexico, near the capital (Flokr). 



The species belongs to an unnamed group near Notaphus, and is 

 only referred to the latter for general guidance as to its position. 



Bembidium (Notaphus) placitum. 



Elongato-oblongum, depressum, viridi- vel subcupreo-aneum, elytris 

 cupreo-fuscis ( c? nitidis, $ subopacis) vitta laterali ab humero 

 usque medium, intus biloba, fasciaque maculari ante apicem, fulvo- 

 testaceis ; sulcis frontalibus latis haud profundis ; thorace late 

 rotundato, postice magis quam antice angustato, a?igulis posticis 

 obtusis, fovea media profunda carinaque parva juxta angulum ; 

 elytris subtiliter punctato-striatis, interstitiis planissimis, tertio 

 3 -punctata ; palpis, antennis pedibusque obscure piceis. 



Long. 3 lin. 



Hab. Mexico, near the capital (Flohr). 



This species has been mistaken for N. semifasciatus of Say. His 

 description, however, suits much better an equally common and 

 similar, but smaller, Mexican species. 



Bembidium (Peryphus) rogersi. 



Gracile, convexiusculum, nigro-aneum, pedibus piceis, antennarum 

 articulo basali subtus rufo ; thorace anguste cordato, antice ro- 

 tundato, postice sinuatim angustato, angulis posticis rectis, basi 

 transversim depresso, vage punctato, foveis profundis carinaque 

 clevata ad marginem fere purallela ; elytris punctulato-striatis, 



