128 HYMENOPTERA. 



30. POLYBIA ANCEPS. B.M. 



Polybia anceps, Sauss. Mon. Guepes Soc. 190.30. 

 Hab. Brazil. 



31. Polybia xanthopus. 



Polybia xanthopus, Sauss. Mon. Guepes Soc. 190. 31. 

 Hab. Mexico. 



32. Polybia constructor. 



Polybia constructor, Sauss. Mon. Guepes Soc. 191. 32. t. 23. f. 6. 

 Hab. South America. 



33. Polybia scutellaris. B.M. 

 Myrapetra scutellaris. White, Ann. ^' Mag. Nat. Hist. vii. 315. 



t.4. f. 4-7. 

 Polybia scutellaris, Sauss. Mon. Guepes Soc. 192. 33. t. 23. f. 4. 



Hab. Brazil. 



34. Polybia pygm^a. B.M. 

 Vespa pygmaea, Fabr. Ent. Syst. ii. 283. 102. 



Polistes pygmaea, Fabr. Syst. Piez. 280. 53. 



Polybia pygmea, Sauss. Mon. Guepes Soc. 193. 34. t. 23. f. 5. 



Hab. Cayenne. 



35. Polybia occidentalis. B.M. 



Vespa occidentalis, Oliv. Encycl. Meth. vi. 6/5. 31. 



MjTaptera elegans, Curtis, Trans. Linn. Soc. Lond. xix. 257. t.31. 



f. 8, & 9 (the nest). 

 Polybia occidentalis, Sauss. Mon. Guepes Soc. 1.94. 35. 



Hab. Brazil. 



36. Polyb'a pallidi-pectus. B.M. 



Male. Length 5^ lines. — Black : the clypeus, face as high as 

 the insertion of the antennae, the scape in front, the mandibles 

 and outer orbit of the eyes, sulphur-yellow ; the tlagellum be- 

 neath orange. Thorax : a narrow line on the anterior margin 

 of the prothorax, another on its posterior margin, a similar 

 narrow line at the base of the scutellum and post-scutellum, 

 and also two lines running from the scutellum to the base of the 

 posterior wings, yellow ; two obUque lines at the base of the 



