104 SEEEICOENIA. 



chin-piece is gently emarginate. The prosternum is coriaceous, with punctures placed 

 not very close together over the surface ; the intercoxal process is acuminate posteriorly. 

 The episterna are pubescent on the outside, shining on the inner half, punctured, the 

 punctures irregular and not very close together. The lateral carina of the basal 

 segment of the abdomen is nearly rectilinear posteriorly. 



99. Agrilus pullulus. (Tab. VI. figg. 10, 10 a.) 



Niger, nitidus ; capite convexo, linea mediana leviter impresso ; clypeo seneo ; thorace ruguloso, medio longi- 

 tudinaliter impresso ; elytris seruginoso-nigris (basi geneo-tincta), tenuiter rugosis, ad apicem lsevioribus, 

 maculis griseo-albis ornatis. 



Long. 2\ lin. 



Hab. Mexico, Cordova (Salle). 



The head is convex and very shining, rugulose, the rugse oblique on the top of the 

 head, transverse on the lower part of the face ; the median impressed line is not very 

 strongly marked above, but is deeper and a little wider above the clypeus. The thorax 

 is convex, rugulose, shining, with the sides gently and evenly arcuate ; the median 

 impression is moderately broad, but a little narrowed about the middle, the posterior 

 angles are only comparatively little impressed ; all the basal region is sparingly clothed 

 with grey pubescence. The elytra are a little compressed below the shoulders; as 

 broad behind the middle as at the shoulders ; there is an elongate spot at the suture 

 (slightly interrupted at its middle), which is joined posteriorly to a transverse lateral 

 spot just behind the middle ; near the apex there is another spot, broad at the suture, 

 narrowed to the margin. The prosternal chin-piece is deeply emarginate. The 

 prosternum is distinctly and not very closely punctured, shining ; the intercoxal process 

 is acuminate, gently convex, finely margined (fig. 10 a). The episterna are shining, with 

 some fine, rather distant punctures. The abdomen has the lateral carina of the basal 

 segment rectilinear posteriorly ; there is a distinct white spot at the side of the second 

 segment. 



The posterior coxae are clothed with white pubescence. 



100. Agrilus confusus. (Tab. VI. fig. 11.) 



Prsecedenti simillinms, differt tamen thorace postice angustato ; capite antice, episternis femoribusque seneis. 

 Long. 2 lin. 



Hab. Panama, Volcan de Chiriqui 2500 to 4000 feet (Champion). 



This insect so closely resembles the preceding that it is with reluctance that I 

 separate it. The • prosternum is finely rugose, but this and the brassy colour of the 

 head might be sexual ; I think, however, that this is not the case, as there is a very 

 distinct difference in the form of the thorax, the sides being gently sinuate behind the 

 middle instead of regularly arcuate (fig. 11). 



