Records of Bees. 243 
malar space well developed ; antennz black, with scape red 
at extreme base, and flagellum dusky castaneous beneath; 
face with a little pale greyish hair, but disk of clypeus nude 
and polished; occiput with abundant stiff black hair; 
mesothorax and pleurze with thin short pale tomentum and 
scattered erect black hairs; scutellum with long black hair ; 
dorsal surface of metathorax very large, smooth, and highly 
polished; tegule dark rufous. Wings hyaline, stained with 
ferruginous, the apical field whitish; nervures and stigma 
clear ferruginous. Legs black, with black hair, tarsi red 
at extreme apex. Abdomen moderately broad. 
Sandakan, Borneo (Baker, 9593). 
Resembles 7. castanea (Melipona castanea, Bingh.), but 
that has the head and thorax mainly castaneous. Also 
resembles 7. flaviventris, Friese, but that has the wings 
quite differently coloured. 
Trigona hematoptera, sp. u. 
Worker.—-Length 6°6 mm., anterior wing 7°5 mm. 
Shining black, including the broad abdomen and the legs, 
except that the tarsi are reddened apically ; head large ; 
sides of face with thin inconspicuous pale hair; occiput 
with stiff black hair; mandibles dark castaneous; scape 
dark castaneous, flagellum nearly black, except at base; 
thorax above with stiff black hair, but without any distinct 
pale tomentum ; pleura with black hair, the lower part with 
slightly pallid hair; tegule ferruginous. Wings very 
strongly reddened, the nervures and stigma ferruginous ; 
trochanters with a red stripe above. Legs with black hair ; 
hind tibize very broad apically. Abdomen with the first two 
segments highly polished, the others dullish. 
Sandakan, Borneo (Baker, 9592). 
Resembles 7. melanotricha, Ckll., but easily separated by 
the very red wings and smaller, paler tegule. 
Trigona atomella, sp. n. 
Worker.—Length 2°5 mm. 
Head, thorax, and legs shining black, small joints of tarsi 
testaceous ; abdomen rather dilute sepia-brown, the hind 
margin of first segment broadly pellucid whitish; front 
with a deep median sulcus ; mandibles and labrum ferrugi- 
nous ; malar space short and black; lower part of clypeus 
suffusedly reddish ; face canescent with thin white hair; 
scape ferruginous, flagellum blackish; scutellum fringed 
