1871.1 | 133 
angulis posticis rotundatis, margine laterali reflexo rufo-testaceo, supra medio 
basi grosse punctato, fovea utrinque elongata profunda ; spatio inter foveanr 
et angulum fortiter convexo ; elytris fortiter punctulato-striatis, sutura pos- 
tica marginibusque rufescentibus, apice jlavo-testuceo ; corpore subtus levi, 
splendide vridescentt. Long. 35 lin. ¢. 
Resembles the Platyderi of Europe in the shape of the thorax. 
St. Paulo, Amazons. 
LOXANDRUS ATTENUATUS, n. sp.—Llongatus, angustus, niger, nitidus, 
labro, palpis, antennarum articulo basali pedibusque flavo-testaceis, elytris 
macula parva suturali apicem versus rufo-testacea ; thorace elongato, sub- 
cordato, antice rotundato, postice valde angustato, prope angulos posticos 
reflexo, medio basi grosse crebre punctato, fovea utrinque elongata sulcata, 
spatio inter foveam et angulum plano, levissimo, reflero, angulis obtusis ; 
elytris fortiter punctato-striatis ; corpore subtus piceo, levi. ; 
Long. 3 lin. 2. 
Banks of Tapajos. 
LOXANDRUS CELEBENSIS, n. sp.—Hlonaato-oblongus, nigro-piceus, toto 
sericeo-iridescens, palpis antennarumgue basi piceo-rufis, pedibus piceis ; 
sulcis frontalibus latis, via impressis ; thorace quadrato, lateribus cequaliter 
rotundatis, anguste reflexo-marginatis, angulis posticis rotundatis, supra 
levissimo, fovea utrinque basali elongata, obliqua, ad fundum sulcata, elytris 
fortiter striatis, striarum fundis punctulatis ; subtus, meso- et metathoracis 
episternis abdominisque bast punctato-rugosis, & tarsorum anticorum arti- 
culis tribus valde obliquis, solis squamis pectinatis, elongatissimis, tarsi 
intermedir posticique multisulcati. Long. 4 lin. g. 
Celebes. From Mr. Wallace’s collection. 
The following species differs so essentially from the Zovandri, and 
from the allied genera Abacetus, Drimostoma, Trirammatus, &c., that a 
new genus must be formed for its reception. 
Genus METONCIDUS. ~° 
Gen. char. 
Mentum. Central tooth much smaller than side-lobes, broadly-rounded 
at the apex. 
Palpi. Terminal joints cylindrical, truncate. 
Antenne. Moderately short, filiform. 
Head. As in Loxandrus, frontal pits small, rounded. 
Thorax. Basal fovea single on each side, broad and deep, without 
sulcus. 
Elytra. Strongly convex posteriorly; without abbreviated scutellar 
stria, and with a series of large punctures posteriorly on alter- 
nate interstices. , 
