LAMPEOSOMA. 103 



this genus, not more than twice as broad as long, finely and very distantly punctured on the disk, very 

 deeply near the base ; elytra largely and acutely angulate at the sides, deeply punctate-striate, the inter- 

 stices here and there with a few fine punctures ; underside much less brilliant than above, of a bluish 

 tint, the last abdominal segments and the tibiae nearly black ; the anterior pair of the latter longitudinally 

 sulcate through their entire length above ; prosternum twice as long as broad, rugose punctate. 



Hab. Guatemala, Senahu (Champion). 



There are sufficient distinguishing characters in the present species, of which only a 

 single specimen has been received, to recognize it easily ; the only known species with 

 which it may be confounded, on account of the sulcation of its anterior tibise, is L.forni- 

 catum, Lacord. ; from that species the posteriorly narrowed shape, however, as well as 

 its coloration divide it ; the rugosity of the head seems to me to be accidental, although 

 I cannot be sure about this, having only a single specimen before me. 



40. Lamprosoma separatum. 



Oblong-ovate, convex, black, above metallic green ; head and thorax finely but distinctly punctured, clypeus 

 separated from the face ; elytra rather deeply punctate-striate ; prosternum slightly longer than broad. 



Length 2| lines. 



Head scarcely convex, finely and rather closely punctured ; clypeus separated from the face by a distinct and 

 rather deep transverse groove, base of the clypeus raised in the shape of a ridge, its apical portion deflexed, 

 apical margin nearly straight; thorax about twice as broad as long, the sides moderately deflexed, 

 posterior lobe rounded, upper surface punctured like the head ; elytra distinctly narrowed posteriorly, 

 the shoulders scarcely prominent, surface very regularly and rather deeply punctate-striate, the inter- 

 stices smooth and shining ; underside and legs black, shining ; prosternum flat, a little longer than broad, 

 the sides narrowed at the middle, surface with a few punctures. 



Hab. Guatemala, Teleman (Champion). 



A single specimen from the above locality. The shape and separation of the clypeus 

 in the present species will distinguish it from those of similar colour. 



41. Lamprosoma minutum. 



Regularly ovate, short ; below black ; head and thorax bluish black, the former impunctate ; elytra metallic 

 cupreous, distinctly striate-punctate. 



Length f line. 



Head very convex, shining, totally impunctate, anterior margin of the epistome straight ; antennae black, two 

 or three basal joints fulvous ; thorax more than three times as broad as long, the sides rounded and very 

 deflexed anteriorly, so that, when viewed from above, the basal portion seems twice as broad as the apical 

 one, surface very minutely punctured, only visible under a strong lens; elytra very convex, slightly 

 narrowed behind, the lateral lobe scarcely produced, surface rather deeply punctate-striate; underside and 

 legs black, shining ; prosternum subquadrate. 



Var. Entirely dark bluish black or purplish. 



Hab. Bkitish Hondukas, Belize (Blancaneaux) ; Guatemala, Izabal (Salle), San Juan, 

 Sinanja valley, Senahu (Champion). 



Two or three species, resembling partially or entirely the present one in regard to 

 its size, have been described by Lacordaire from South America (L. trochilus, L. longi- 

 frons, and L. annectens). The species before us has been sent plentifully from the 



