48 Mr. J. S. Baly's descriptions of 



robust, the third, fourth and fifth joints equal in length; 

 five upper joints slightly thickened. Thorax nearly twice 

 as broad as long, sides rounded and converging from base 

 to apex, less distinctly rounded behind the middle, all the 

 angles acute ; upper surface finely granulose, minutely but 

 not closely punctured. Scutellum semiovate, nitidous. 

 Elytra broader than the thorax, convex, the humeral 

 callus prominent; surface minutely granulose, reticulate- 

 strigose, finely but not closely punctured. 



This insect, which at first sight might be taken for 

 a small opaque variety of E. ignitus, is separated from 

 that species by the different shape of the apex of the 

 prosternum. The telum in the $ is also different in 

 form. 



Eiimolpus nitidus, 



Anguste oblongo-ovatus, convexus,viridi-9eneus, nitidus, 

 antennis purpureis, extrorsum nigris ; thorace longitudine 

 duplo latiori, lateribus rotundatis, basi fere parallelis, an- 

 tice convergentibus ; disco granuloso, subcrebre punc- 

 tate; elytris thorace pauUo latioribus, oblongis, sat crebre 

 punctatis; prosterno postice longitudine latiori, margine 

 postico leviter emarginato, angulis posticis acutis, apice 

 obtusis; mesosterno transverso, apice paullo dilatato, late 

 truncate ; tibiis anticis modice curvatis ; palporum articulo 

 penultimo ultimo longiori, cum illo conjunctim ovato. 



Var. A. Metallico-purpureus, elytris viridi-^neis. 

 „ B. Totus metallico-purpureus. 



Mas. — Abdominis segmento ultimo apice late truncato, 

 dorso fovea subrotundata, marginem non attingente pro- 

 funde impresso ; telo brevi, abrupte curvato, apice angu- 

 lato, acuto. 



Foem. — Abdominis segmento ultimo apice obtuse rotun- 

 dato, medio angulato-emarginato. 



Long. 5 — 7 lin. 



Hah. — Amazon, Cayenne. 



Head granulose, finely but distinctly punctured, front 

 impressed with a faint, longitudinal groove ; clypeus semi- 

 oblong-ovate, its apical suture broadly obsolete ; labrum 

 and jaws black ; antennas moderately robust, five outer 

 joints very slightly thickened, third distinctly longer than 

 the fourth. Thorax twice as broad as long ; sides rounded, 

 subparallel at the base, converging in front, all the angles 

 acute ; above transversely convex, sides deflexed in front. 



