SOMOLEPTUS. 497 
scarcely longer than the thorax, and their punctuation is excessively scanty and 
indistinct. 
This species is distinguished from 8. obscurus chiefly by the obsolete punctuation of 
the head and thorax. 
7. Somoleptus punctulatus. 
Fusco-rufus, nitidus; capite elytrisque obscurioribus, antennis pedibusque rufis; capite angusto, suboblongo,. 
cumque thorace sat crebre minus subtiliter punctato. 
Long. 44 millim. 
Hab. GuatEMALa, near the city, Aceituno (Champion). 
The head is a little narrowed in front, rather abruptly truncate behind, and the 
punctures on it are more conspicuous than in the allied species; the thorax is not very 
elongate, and the elytra are slightly longer than it, and bear a distant fine punctuation. 
One example only was met with in each of the localities. 
8. Somoleptus sparsus. 
Nigricans, nitidus; antennis pedibusque rufis; capite elongato, oblongo, parce obsoleteque punctato. 
Long. 4 millim. 
Hab. Guatemaa, Chiacam in Vera Paz (Champion). 
The head is not at all narrowed in front, and the eyes are rather prominent, the 
truncature of the vertex rather abrupt, the punctuation very scanty. The elytra are 
rather elongate. 
The shape of its head will not permit me to consider the unique example of this 
insect to belong to S. obsoletus, which species it resembles in size and colour. 
9. Somoleptus pallipes. 
Niger, supra eeneus, nitidus; antennis rufis, pedibus pallide flavis; capite oblongo-ovali; elytris ad basin dense 
subtiliter rugoso-punctatis ; abdomine apicem versus latiore. 
Long. 43 millim. 
Hab. Guatemata, San Gerénimo (Champion). 
Head narrowed in front, much curved at the sides, and greatly rounded at the hind 
angles, very indistinctly punctulate, of a very shining brassy colour. Thorax very 
elongate, very obsoletely punctate. Elytra densely punctate at the base, so as to be 
there opaque, the punctuation becoming scanty at the apex; the base is clothed with a 
very fine pallid pubescence, and a similar pubescence exists also on the basal segments 
of the hind body. 
This is a very graceful insect of slender form, reminding one of Tachyusa in the 
Aleocharina. Only one example has been obtained. 
BIOL. CENTR.-AMER., Coleopt., Vol. I. Pt. 2, July 1885. 3 8S 
