32 iiymenoptera. 



107. Formica rubripes. B,M. 



Formica rubripes, Lair. Hist. Nat. Fourm. 112 ^ . 



Formica barbara, Drury, III. Exot. Ins. pi. 38. f. 3 ^ (nee Linn.). 



Hab. Africa (Sierra Leone). 



108. Formica laboriosa. B.M. 



Female. Length 5 lines. — Jet-black, smooth and shining ; 

 head oblong, a little wider than the thorax, slightly narrowed 

 anteriorly; the flagellum obscurely rufo-testaceous ; the anterior 

 margin of the clypeus entire ; the mandibles obscurely ferrugi- 

 nous. Thorax ovate ; wings hyaline, the nervures pale rufo- 

 testaceous. Abdomen ovate; the scale of the peduncle sub- 

 ovate, the superior margin rounded. 



Hab. Sierra Leone. (Coll. Rev. D. F. Morgan.) 



This is probably the female of F. vivida. 



109. Formica fcetens. 



Formica fcetens, Fabr. Ent. Syst. ii. 354. 18. 



Hab. Guinea. 



This is probably a species of Ponera, closely allied to Ponera 

 Abyssinica of Guerin. 



110. Formica Guineensis. 



Formica Guineensis, Fabr, Ent. Syst. ii. 357. 31 ; Syst. Piez. 

 404. 37. 



Latr. Hist. Nat. Fourm. 285. 



Hab. Guinea. 



111. Formica fulvo-pilosa. B.M. 



Formica fulvo-pilosa, De Geer, Hist. Ins. vii. 612. pi. 45. f. 13, 14. 

 Formica pilosa, Oliv. Encycl. Me'th. vi. 49%. 39. 

 Formica vutiventris, Fabr. Syst. Piez. 409. 57. 



Hab, Cape of Good Hope, 



112. Formica vestita. B.M. 



Female. Length 5 lines. — Head and thorax rufo-fuscous ; the 

 head anteriorly, mandibles, antenna?, cheeks, legs, and sides of 

 the thorax, ferruginous ; the head, thorax and abdomen covered 

 with a fine silky pale golden down, changing, in different lights, 

 in brilliancy ; the head rather narrower than the thorax ; the ab- 



