19, 5 Heller: New Philippine Coleoptera 547 
Metapocyrtus proteus sp. nov., ¢, 2. 
Aterrimus, prothorace ad angulos plagis (aut annulis), elytris 
plagis (aut annulis) 22 lineolaque marginali, postmediana, vi- 
ridi-, viridi-aurato-, aut coerulescenti-squamosis, ornatis; rostro 
latitudine paulo longiore, crebre punctato, dorso impressione long- 
itudinali, fronte ante macula squamosa, sulco mediano distincto; 
prothorace subtransverso, globoso, nitido, perremote subtiliter- 
que punctato, sulco mediano basi abbreviato, macula, in angulis 
anterioribus minore, plerumque subtransversa, posteriore, ma- 
jore, oblonga; elytris disperse punctatis maculorum seriebus 
transversis quatuor, basali utrinque maculis tres, harum mediana 
minore ac posteriore, mediana quatuor atque lineola posteriore 
anteapicali tres, apicali una; corpore subter nigro, nitido, pro- 
sterno supra coxas macula, (aut annulo) oblongis, metasterno 
jateribus maculaque subapicali in femoribus viridi- aut cceruleo- 
squamosis, his in mare distincte in femina vix elytrorum apice 
superantibus. 
Long. 9 ad 10.5 mm., lat. 4.3 ad 5.5. 
LUZON, Nueva Vizcaya Province, Imugan (8408, 8401). 
M. proteus var. annuliger repraesentant specimina annulis, in 
loco plagis, ornata (8409, 8411). 
A very variable and interesting species which shows how the 
strange annular scale markings, found also in other genera, for 
example, in Alcides semperi, Pachyrrhynchus argus, and Pseuda- 
pocyrtus schadenbergi, may arise from originally spotted mark- 
ings by the continual rubbing off of the central part; there are 
two apparently very different forms: one ornamented with four 
Scale patches on the thorax and twenty-four on the elytra, the 
other with as many rings of greenish or bluish scales, arranged 
on the elytra in four cross rows, a basal one with three, the 
middle ring of which is situated more caudad, the median four 
externally oblique, the anteapical with three, the apical with 
two ring markings on each side, but not distinguished from 
each other by any plastic character. The latter consists in 
both of rather strong, dense punctures upon rostrum, equally 
fine and remote on the globular, medially furrowed thorax, 
and a more distinct, partly striate punctation on the elytra. 
The hind femora of the female hardly, of the male distinctly, 
extend beyond the apex of the elytra. One female specimen 
is abnormal, showing only five funicular joints instead of seven 
on the right side. This results from the union of the second, 
third, and fourth joints. 
