HYMENOPTERA. 413 



34. TRIGONA FERRUGINEA. B.M. 

 Melipona ferruginea, St. Farg. Hym. i. 428. 23. 



Hab. Para. 



35. TRIGONA MEXICANA. 



Trigona Mexicana, Guer. Icon. Reg. Anim. Ins. p. 464. 

 Hab. Mexico. 



36. TRIGONA LIGATA. 



Trigona ligata, Say, Bost. Journ. Nat. Hist. i. 415. 2. 

 Hab. Mexico. 



37. TRIGONA FULVIVENTRIS. 



Trigona fulviventris, Guer. Icon. Reg. Anim. Ins, p. 464. 

 Hab. Mexico. 



38. TRIGONA BILINEATA. 



Trigona bilineata, Say, Bost. Journ. Nat. Hist. i. 414. 1. 

 Hab. Mexico. 



39. TRIGONA FUSCATA. B.M. 

 Melipona fuscata, St. Farg. Hym. i. 424. 14 (type sp. in Coll. 



Westw.). 



Hab. Peru. 



40. TRIGONA VIDUA. 



Melipona vidua, St. Farg. Hym. i. 429. 24. 

 Hab. India ; Isle of Timor. 



41. TRIGONA TESTACEA. B.M. 

 Trigona testacea, King, Mag. derGesell. Nat.Fr.zu Berlin (1807), 



t. 7. f.4. 

 Hab. ? 



42. TRIGONA IRIDIPENNIS. B.M. 



Worker. Length H line. Black ; the face clothed with 

 short silvery pubescence ; the labrum, mandibles and antennae 

 pale testaceous. The margins of the thorax and scutellum 

 fringed with fuscous pubescence ; the apical joints of the tarsi 

 testaceous, the sides of the metathorax having a silvery pubes- 



