180 Mr. H. W. Bates's additions to the 



basis dense confluenter punctatta. Thorax dense subalveolatim 

 punctatus, paullo ante basin rotundato-dilatatus, deinde usque 

 ad apicem angustatiis. Elytra Isetius cserulescentia, interspatiis 

 densissime sed discrete, sat grosse aequaliter punctatis; apice 

 obtuse flexuoso-truncato, angulis externis rotundatis. Subtus 

 cyanesceuti-viridis, dense piloso-punctulatus. Mesosternum con- 

 vexum, hand vero sicut in Spheiiothecis geni;inis, prominens. 

 Antennae J corpore multo breviores. Long. 12 millim,, $ . 



Hab. Mexico, Jalapa (Flohr, in coll. Bates). One 

 female example. 



The less prominent mesosternum seems to indicate a 

 transition -form to Ischnocnemis, but the facies is that of 

 Sjihenothecus. 



Entomosterna j)roUxa, n. sp. 

 E. miniatocolll (Clievr.) similis sed multo major elytrisque 

 maxima elongatis. Nigra subnitida, protliorace (marginibus antico 

 et postico anguste nigi'is exceptis) sanguineo, breviter incumbenti 

 nigro-pilosa. Thorax sat elongatus, a basi ad apicem angustatus, 

 leviter rotundatus, sparsim punctulatus, disco elongato-calloso laevi, 

 margine basali valde elevato, angulis posticis longe exstantibus 

 acutis. Elytra gradatim postice attenuata, disco utrinque bicos- 

 tato, costa interiori mediocriter elevata ante apicem desinenti 

 Itevi, basi interdum flavescenti, costa extei'iori vix elevata postice 

 multo abbreviata, cum intervallis sat fortiter discrete punctata, 

 apice flexuoso-truncato, angiflis externis dentatis. Pedes valde 

 elongati. Subtus griseo-przbescens, subtiliter punctulata. An- 

 tennae (J') corpore multo longiores, ll-articulatic. Long. 14 — 

 15 millim., S • 



JIah. Mexico, Guerrero {Harford), Mescala in Guer- 

 rero (//. 11. Smith). 



AxESTOLEUs, nov. gen. 



Gen. Batijle atiinis, sat diffcrt inter alia corpore supra opaco. 

 Corpus subcylindricum. Mandibulse acute falcatai. Caput antice 

 verticale quadratum, planum, infra oculos sat elongatum angulisque 

 epistomatis lateralibus rectis. Antennae 11-articulatse, 3" corpore 

 vix longiores. Thorax subquadratus, inermis, nee antice nee pos- 

 tice profunde constricto-sulcatus. Pedes elongati, femoribus pos- 

 ticis lincaribus corpore longioribus, tarsis posticis articulo Imo 

 valde elongate. Acetabula untica extus breviter augulata. 



Allied to IJati/lc (Thorns., Lee), and belonging to 

 Lcconte's group Stoiaspcs. In the sculpture and opacity 



