HYMENOPTERA. 227 



mandibles at their base tinged with green. Thorax, the disk 

 smooth and having a few large scattered pmictm-es and fonr ab- 

 breviated longitudinal impressed lines, the wings fusco-hyaline ; 

 the posterior tibiae and all the tarsi have a long thin griseous 

 pubescence, that on the tarsi beneath is pale fulvous ; the claws 

 ferruginous. Abdomen of a blue-green in certain lights, the 

 three apical segments rugose. 

 Hab. Java. (Coll. W. W. Saunders, Esq.) 



16. Ceratina dupla. B.M. 



Ceratina dupla, Smj, Bost. Journ. Nat. Hist. i. 397- 



Hab. Indiana, U. States; St. John's Bluff, East Florida. (E. 

 Doubleday, Esq.) 



17. Ceratina l^ta. B.M. 

 Ceratina lEcta, Spin. Ann. Soc. Ent. Fr. x. 138. 87 (1841). 

 Hab. Cayenne; Brazil (Ega). 



18. Ceratina chalcea. 



Ceratina chalcea, Spin. Ann. Soc. Ent. Fr. x. 139. 88 (1841). 

 Hab. Cayenne. 



19. Ceratina punctulata. 



Ceratina punctulata, Spin. Ann. Soc. Ent. Fr. x. 139. 89(1841). 

 Hab. Cayenne. 



20. Ceratina lucidula. B.M. 



Female. Length H hue. — Ohve-green, very bright and 

 shining, the two basal joints of the antennae pale testaceous, the 

 flagellum rufo-fuscous ; the mandibles, labrum and anterior mar- 

 gin of the clvjieus pale yellow-testaceous. The disk of the thorax 

 very smooth and shining, anteriorly are a few scattered large 

 punctm-es ; the scutellum has also some coarse punctures, the 

 metathorax closely and finely pimctured ; the tegulffi pale yellow- 

 testaceous, the legs of the same colour, the wmgs hyaline, the 

 stigma fuscous ; the abdomen has a short scattered pale pubes- 

 cence, and is somewhat coarsely punctured towards the apex. 



Hab. Santarem (Brazil). (Coll. W. W. Bates, Esq.) 



21. Ceratina maculifrons. 



Female. Length 4 hnes. — Olive-green, closely and strongly 

 punctured, a spot on the clypeus touching its anterior margin, 



