COLEOPTEROUS FAMILY PAUSSIDA, 9 
Sus-Genus 1V.—PH Y MATOPTERUS, Westw. 
Depressiusculus : caput thorace augustius : prothorax cordato-truncatus medio longitudinaliter 
impressus: antenne late serrate: elytra oblongo-quadrata ad angulum externum 
apicalem tuberculo instructa. Tibize late interne ad apicem bicalcarate, angulo externo 
opposito rotundato, Tarsi distincte 5-articulati. 
Seecies I. (VI.)—Cerapterus (Phymatopterus) piceus. (Plate 50, fig. 3.) C. piceus 
tenuissime punctatus antennis pedibusque rufo piceis, capite thorace_minori angulis pone 
oculos acute productis. Long. corp. lin. 5. 
Habitat in Nova Hollandia. In Mus. D. Curtis et Gory. 
Cerapterus (Phymatopterus) piceus. Westw. in Ent. Mag. 5, p. 503; Linn. Trans. v. xviii. 
p- 584. 
Cerapterus MacLeaii2. Westw. in Trans. Ent. Soc. vol. ii. p. 95, pl. x. fig. 7. 
Sus-Genus V.—HOMOPTERUS, Westw. 
Depressiusculus : caput thorace paullo latius vertice depresso; palpi maxillares parvi graciles 
articulo ultimo longiori attenuato ; labiales 3-articulati articulo lmo. minuto 2do. latiori 
brevi angulis apicalibus acutis, 3tio. maximo valde securiformi ; antenne longiores subplanx 
anticé subserrate, margine pcstico subcontinuo; thorax cordato-truncatus; elytra elongato- 
quadrata. Femora et tibia latissime, he apice evalcaratze et pro receptione tibiarum 
excavate. Tarsi breves articulis intermediis subtus setosis. 
Species I. (VIII. )—Cerapterus (Homopterus) Brasiliensis. (Plate 50, fig. 2, and details.) 
C. fulvo-rufescens, tenuissime punctatus oculis albidis, vertice depresso, thorace intra 
angulos posticos utrinque foveolato, Long. corp. lin. 33. 
Syn.—Cerapterus Brasiliensis, Miers’s MS. Westw. in Linn. Trans. vol. xviii. pl. 39, 
fig. C, a, and 0. 
“This insect was caught on the Corcavado Mountain, near Rio 
Janeiro, by a negro whom I employed.” —Miers’s MSS. 
The unique species above alluded to is now in Mr. Miers’s rich 
collection of South American insects. 
Figure 2 a represents the head seen in front, * being the labrum, 
and + the mandibles, which are more highly magnified in 2b; 2 c¢ 
is one of the maxillary palpi; 2 d one of the labial palpi seen late- 
rally; 2e one of the antenne seen laterally, showing the broad 
compressed basal joint and the depressed terminal jomts; 2 / are 
two of the intermediate joints of the antennee; 2 g one of the fore 
legs; and 2h the abdomen seen from beneath. 
Sus-Genus VI.—PLEUROPTERUS, Westw. 
Caput thorace duplo augustius. Antenne elongate subplane, articulo 2do. extus in angulum 
acutum producto. Palpi elongati, labiales articulo ultimo crassiori vix securiformi. 
Labium maximum rigidum, Thorax elytrorum latitudine lateribus margiue elevato, postice 
valde sinuato utiinque in auriculam producto. Elytra oblongo-quadrata, basi bicostata ; 
Peies elongati graciles tibiis bicalearatis tarsisque latis, subtus setosis 5-articulatis arti- 
culis ] et 4 minoribus. 
Species I, (IX.)—Cerapterus (Pleuropterus) Westermanni. (Plate 50, fig. 1, and details. ) 
C. rufo piceus haud nitidus; elytris nigris postice cruce rufescenti notatis, basi bicostatis, 
disco longitudinaliter sub impressis apice rufescentibus. Long. corp. lin. 44. 
Habitat in Insula Java. In Mus. D. Westermanni. 
I have named this species after the distinguished entomologist to 
whose kindness I am so greatly indebted, for sending me his unique 
