624 The Philippine Journal of Science 1920 
3. Clypeal yellow band without any distinct median upper lobe (Baguio, 
Benguet) bicuneata Cockerell. 
Clypeal yellow band with a well-developed median upper lobe 4. 
4. Mesothorax all black (Penang Island, Baker 9974). 
conscripta Cockerell. 
Mesothorax with four yellow lines or stripes 5. 
5. Larger; sixth abdominal segment with a large subquadrate yellow 
patch, emarginate on each side (Singapore) incerta Cockerell. 
Smaller; sixth abdominal segment with a yellow band, broadly emar- 
ginate in middle above (Penang, Baker 9975).... accusator Cockerell. 
Ceratina metaria sp. nov. 
Male. — Length, 4 millimeters or slightly over; rather pale 
dull yellow, with black markings as follows: H-like mark on 
face, the crossbar between clypeus and supraclypeal yellow patch ; 
front, vertex, and occiput all black except linear extension of 
lateral face marks (which are squarely truncate above) a short 
distance up orbits, and a small mark near top of eye ; upper part 
of cheeks, and posterior portion behind the broad yellow band, 
black; mesothorax black with four well-defined yellow stripes, 
which do not reach front or hind margins, though the lateral 
ones almost touch hind margin; axillae partly black; area of 
metathorax and posterior face black; abdomen dark brown at 
base, and with five black bands, about as broad as the intervals 
between them, fifth band with a more or less distinct linear 
interruption. The legs and pleura are entirely yellow. Scape 
yellow in front; flagellum dark reddish brown beneath; meso- 
thorax highly polished, without evident punctures, its posterior 
margin dull; tegulse testaceous; wings hyaline, faintly dusky, 
stigma and nervures brown; apex of abdomen broadly rounded, 
without a projecting point. 
Penang (Baker). Resembles C. beata Cam., but smaller, with 
more yellow on sides of thorax, etc. 
Ceratina bipes sp. nov. 
Female. — Length, about 7 millimeters ; black and yellow. 
Head black, with yellow marks as follows : Broad band on cheeks, 
extending to occiput; base of mandible (which is very broad) ; 
labrum ; reversed T on clypeus, the upper part broad and bulbous ; 
supraclypeal band; two elongate-oval spots in front of ocelli; 
and lateral face marks extending to vertex, narrowed to a line 
above, but ending in a round spot. The black areas left on face 
resemble the front legs of a short-legged dog. Scape slender, 
with a yellow stripe in front; flagellum very faintly brownish 
beneath, mesothorax black with four yellow stripes, the lateral 
