{ Si ) 
H^DROPOllUS, Clairv. 
1. H, bijldus^ Elytra with a subsutural impressed^ punc? 
tured stria. 
Inhab. Mexico. 
Body black : head with much dilated indentations between 
the eyes; a longitudinal honey yellow line^ more dilated 
before : antennce yellowish, dusky at tip : thorax with a 
submarginal honey-yellow band before, having three process- 
es, one in the middle and one, rather more dilated, on the 
lateral margin, not reaching the posterior edge : elytra with 
a very distinct, punctured, impressed, subsutural stria, and 
about two other hardly obvious ones near the middle; bifid 
yellowish lines at base and near the tip ; feet dark honey 
yellow. 
Length less than one fifth of an inch. 
This species and the two following were taken by Win. 
Bennett in a small river beyond Vera Cruz, and were pre- 
sented to me by Mr. Maclure. 
2. H. nudatus, Beneath black ; feet yellowish ; thorax 
and head on their disks yellowdsh; elytra blackish with 
lines and tip yellowish. 
Inhab. Mexico. 
Head with numerous deep punctures, honey- yellow on 
the disk, blackish each side and behind : antennm pale 
yellowish, dusky at tip : thorax with numerous deep punc- 
tures, more dense and obvious towards the base ; honey- 
yellow, anterior and posterior margins dusky : elytra 
brownish-black, with numerous, profound, approximate 
punctures ; stria not distinct, but traces of two may be dis- 
covered near the base ; about four, more or less confluent 
lines at base, irregular on«s each side and tip dull whitish 
yellow : beneath black, pectus yellow ; feet honey-yellow. 
Length over three- twentieths of an inch. 
3. H‘. sericatusy Yellowish; elytra blackish with abbre- 
viated lines and margin dull yellowish. 
Inhab. Mexico. 
Dull honey yellow, somewhat sericeous above : head with 
a dilated, not profound, indentation each side, and numer- 
ous small punctures: antennce also honey-yellow: thorax 
a little dusky on the anterior and posterior margins, with 
numerous, small, slightly impressed punctures : elytra dark 
