240 HISTERIDZ. 
3. Acritus fuligineus, sp. n. 
Ovalis, convexiusculus, niger, nitidus; pedibus ferrugineis; antennis clava testacea; fronte plana, clypeo 
marginato; pronoto parce punctulato; elytris sat fortius punctulatis; pygidio levi; scutello parum 
magno ; prosterno anguste elongato, marginato, lateraliter arcuato; mesosterno antice semicirculari, stria 
integra, stria postica recta parum crenulata. Long. 1 millim. 
Hab. Guatemata, Cerro Zunil 5000 feet (Champion). 
The distinguishing character of this insect is the elongation of the prosternum, the 
latter being arched at the sides and rather wider in front than behind. A single 
specimen. | 
4, Acritus peculiaris, sp. n. 
Orbicularis, convexiusculus, rufo-piceus, nitidus; fronte lata, equali, parum dense punctulata; pronoto mar- 
ginato, undique minutissime strigoso et vix dense punctulato, linea ante scutellum subrecta punctis 
aciculatis ; scutello distincto; elytris striis obliquis, minute strigosis, vix dense longo-punctatis ; prosterno 
subquadrato, marginato, dense punctato; mesosterno transverso et dense punctato, utrinque arcuato; 
metasterno undique punctulato, basi latissimo; pygidio subtilissime strigoso et parce punctulato. Long. 
1: millim. 
Hab. Guatemata, Zapote (Champion). 
This small Histerid has not the usual facies of an Acritus, yet as there are but four 
joints in the hind tarsus (the essential character of Acritus) it is better to leave it in 
the present genus until more examples are found. Unique. 
5. Acritus bipartitus, sp. n. 
Ovatus, subconvexus, niger, nitidus; antennis pedibusque dilutioribus; capite pone oculos levi, parce punctu- 
lato, inter oculos rugoso-punctulato; clypeo griseo-ciliato, antice obtuso, lato; pronoto parce punctulato, 
stria marginali integra, linea ante scutellum arcuata, in medio retrorsim acuminata; scutello inconspicuo ; 
elytris striis obliquis; pygidio transverso, subtilissime punctulato; prosterno parallelo, marginato, sub- 
levigato; mesosterno antice recto, stria interrupta, utrinque striato et sinuato; metasterno levi. Long. 
1 millim. 
Hab. Guatemata, Balheu and San Gerénimo in Vera Paz (Champion). 
The line on the base of the thorax is biarcuate from a point in front of the 
scutellum, a character which has not yet been noticed in any other species of 
the genus. ‘Two specimens. 
6. Acritus quadristriatus, sp.n. (Tab. VII. fig. 13.) 
Ovalis, convexiusculus, brunneus, nitidus, undique punctulatus; antennis pedibusque rufis; capite transverso ; 
pronoto marginato, linea basali e aciculato-punctis composita, subrecta; scutello magno; elytris striis 
obsoletis; pygidio sparse punctulato; prosterno subquadrato, utrinque bistriato, interstitiis latis, parce 
punctulatis; mesosterno antice arcuato, stria interrupta, postice serie punctorum recta a metasterno 
distincta. Long. 1 millim. 
Had. Guatemana, near the city (Champion). 
The prosternum in this species is remarkable for being wider, though very slightly, 
than long, with two strie on either side, separated from the lateral edge by a broad 
interstice. Under a high power the prosternum also exhibits a minute vermiform 
