534 The Philippine Journal of Science 1921 
Long. 12 mm., lat. 3. 
LUZON, Laguna Province, Mount Maquiling (2 974). 
This handsome species represents a vicarious form of O. ves- 
piformis Gorh., from which it is distinguished by the reddish 
yellow thorax which bears no granules on disk and has the 
apical margin black between the eyes; the basal margin is of 
the same color, but is broader; the middle portion is narrower. 
The three black bands of the elytra are perpendicular to the 
suture and of equal breadth, the last as broad as the yellow 
apical part is long. 
Tillus quadricolor sp. nov. Plate 1, fig. 9. 
Capite, antennarum articulis octo distalibus, prothorace di- 
midia parte anteriore, elytris fascia utrinque triangulari, ante- 
mediana abdomineque, processu intercoxali, rufo, excepto, nigris; 
labro, prothorace in dimidia, elytris in quarta parte basali pro- 
et metasterno ut pedibus, femoribus anticis apice, posticis totis, 
nigris, exceptis, rufis; elytris fascia postmediana eburnea, 
triente apicali testaceis, nigro limbatis, apice densius sericeus, 
usque ad fasciam eburneam seriato-punctatis, punctis ad ely- 
trorum basin spatiis fere aequilatis, postrorsum decrescentibus, 
in parte apicali vix observandis; abdomine nitido, remote subti- 
lissimeque punctulato, lateribus griseo-pubescentibus ac in ster- 
nito secundo et tertio dense punctulatis. 
Long. 6.5 mm., lat. 2. ; 
LuZzON, Laguna Province, Mount Maquiling. 
Nearly allied to T. semperanus Gorh. of which I have a speci- 
men from Cuernos Mountains, Negros (leg. Baker) before me; 
but the basal half of the thorax is red; the ivory white, post- 
median crossband broader, interrupted by the suture; and the 
apical third entirely testaceous and finely bordered with black. 
CERAMBYCIDAE 
Ceresium (?) geniculatum sp. nov. Plate 1, fig. 11. 
Testaceum, subtiliter, elytris apicem versus longius, fulvo- 
pubescentibus, genubus basique tibiarum nigricantibus; protho- 
race latitudine distincte longiore, subconico, haud punctato, disco 
callositate minuta, oblonga, glabra, elytris latitudine triplo 
longioribus, distincte, apicem versus evanescente punctatis; 
femoribus clavatis, posticis sternitum tertium parum superan- 
tibus; tarsorum articulo primo duobus segmentibus unitis bre- 
viore. : 
Long. 12 mm., lat. 2.5. 
