is, 5 Heller: Neiv Philippine Coleoptera 599 
ones more distinctly so ; posterior femora hardly reaching apex 
of elytra. 
Key to the species of Rhadinopus. 
a 1 . Prothorax broadest at base. 
b\ Elytra with a round or oblong basal emargination of suture for the 
reception of scutellum. 
c\ Elytra in anterior half partly paler squamose. 
d 1 . Elytra in anterior half predominantly paler squamose. 
e 1 . Scales of prothorax cordiform or two-pointed. 
R. centriniformis Faust. 
e 2 . Scales of prothorax neither cordiform nor two-pointed, the in- 
terstices between punctures without wrinkles, parallel to 
the central carina ; basal emargination of suture nearly 
circular R. javanicus sp. nov. 
d 2 . Elytra in basal half with a pale stripe, running from shoulder to 
middle of suture, basal emargination of which is oblong; pro- 
thorax with wrinkles running parallel to the central carina. 
R. pseudofrigidus sp. nov. 
c 2 . Elytra with a narrow black basal band, otherwise equally ochra- 
ceous-squamose R. borneonis sp. nov. 
b 2 . Elytra with transverse basal emargination of suture for the reception 
of the transverse scutellum - R. eonsputus Faust. 
a 2 . Prothorax broadest in the nfiddle R. pascus Faust. 
Coelostemus philippinensis sp. nov. Plate 3, fig. 7. 
Niger, saturate ferrugineo-, prothorace maculis duabus nebu- 
losis, elytris utrinque maculis lineoliformibus circiter sex (tribus 
ad basin in medio, post medium et ante apicem in spatio primo, 
duabus in spatio quarto, praeterea 2 ad 3 lateralibus) nigro-, 
macula humerali ochraceo-squamosis, spatiis squamulis setifor- 
mibus, remote seriatis, pallidioribus ; antennis rufescentibus, 
funiculi articulo secundo primo sesqui longiore, reliquis decres- 
centibus, septimo sphaerico, clava crassitudine duplo longiore; 
prothorace transverso, lateribus antrorsum rotundato convergen- 
tibus; scutello rotundato, minute squamoso, basi puncto glabro; 
elytris rude striato-punctatis, spatiis subcristato-elevatis, latera- 
libus seriato-subcrenulatis ; corpore subter sat remote grosseque 
punctato, punctis squamula albida, in meta-episternis-unise- 
riatis, squamula ochracea repletis ; femoribus inter dentem 
medianum et apicem dente secundo minutissimo, tibiis longitud- 
inaliter carinulatis. 
Long. 8 mm., lat. 4. 
Luzon, Mount Banahao. 
Black ; above predominantly dark reddish brown, a few black 
spots, shoulders ochraceous squamose; rostrum on basal half 
with three dorsal carinse and bristle-bearing punctures ; frons 
