1917] Cockerell—N ew Social Bees 112433 
hind basitarsi ordinary; tegule pale reddish; wings grey, stigma 
and nervures dusky reddish, not dark; abdomen red, each segment 
with a rather broad black band, the whole coloration rather dark 
and obscure, but shining. 
Pozo Azul, Costa Rica, June 15,1902 (M.A. Carriker). U.S.Nat. 
Museum. A remarkably ornamented species, related to T’. zonata 
Smith, but differing in color of legs and several other details. 
Trigona beccarii jombenensis subsp. nov. 
Worker: Like T. beccarii Gribodo, except that there is more 
light color on scape, and the clypeus is yellow, with a narrow black 
band along anterior margin, and a pair of oblique reddish marks 
above. 
Jombene Range, East Africa (Chanler- Hohnel Expedition). U.S. 
Nat. Museum. 
Trigona curriei sp. nov. 
Worker: Length about 3 mm., robust, black; head large and 
quadrate; mandibles and base of scape red; clypeus with a median 
groove; whole body polished and shining; cheeks very broad; 
tegule fuscous; wings dilute brownish, stigma pale with a dusky 
margin; legs obscurely reddish; abdomen short and broad, the 
first segment very obscurely more or less reddish. Related to 7. 
magrettii Friese, but easily separated by the brownish wings. The 
head also is quite broad. 
Mt. Coffee, Liberia, Africa, April, 1897 (R. P. Currie). U.S. 
Nat. Museum. 
Trigona musarum sp. nov. 
Worker: Length about 6 mm., robust, clear reddish-fulvous, 
with little hair; head large, but facial quadrangle longer than broad; 
clypeus and sides of face suffusedly yellowish; mandibles dusky at 
apex, of the simple type, with a small tooth at inner corner; 
malar space well developed; face and front shining; vertex with 
fuscous hair; scape long and slender, yellow, with a dark mark 
posteriorly above; flagellum piceous above, ferruginous beneath; 
thorax above polished and shining, with thin brown hair; meso- 
thorax rather obscurely spotted with fuscous, the lateral margins 
and axille obscurely yellow; tegule large, light fulvous; wings 
dilute grey, stigma slender; legs entirely fulvous, anterior and mid- 
