HYMENOPTERA. 125 



3-jointed; the thorax with a deep strangulation between the 

 meso- and metathorax, the latter without spines ; the abdomen 

 fuscous at its apex. 



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

 "House- Ant, very destructive." Wallace. 



43. MYRMICA BASALIS. B.M. 



Worker. Length 1-J- line. Pale testaceous, with the club of 

 the antennae and the abdomen, except its base, dark fuscous, 

 and very smooth and shining ; the head ovate, slightly emarginate 

 behind ; eyes small, placed forward on the sides of the head ; the 

 metathorax obliquely truncate, smooth and without spines. Ab- 

 domen ovate, truncate at the base. 



Hab. Ceylon. 



44. MYRMICA CONTIGUA. B.M. 



Female. Length 2 lines. Pale ferruginous : head and thorax 

 opake, the abdomen black and shining, with the first segment 

 and base of the second pale ferruginous; the eyes black. 

 Thorax oblong-ovate, with a central abbreviated carina in front ; 

 a dark stain runs from the origin of the wings, passing beneath 

 the post-scutellum ; the metathorax unarmed, obliquely trun- 

 cated, the truncation concave ; the apical margins of the second 

 and following segments of the abdomen testaceous. 

 Hab. Ceylon. 



This is probably the female of M. basalis, but as they were riot 

 received together, it is uncertain. 



45. MYRMICA GLYCIPHILA. B.M. 



Worker. Length 1J line. Testaceous, with the abdomen, 

 except its base, fuscous; the head and thorax subopake, the ab- 

 domen shining; the flagellum 11 -jointed, clavate; the thorax 

 narrowed posteriorly, divided a little beyond the middle by a 

 distinct suture, the metathorax not spined ; the first node of the 

 peduncle conical, elevated above the second, which is nearly 

 globose ; the abdomen truncate at the base and having a few long 

 pale hairs at the apex. 



Hab. Ceylon. 



46. MYRMICA AGILIS. 



Worker. Length 1 line. Head and thorax pale ferruginous ; 

 abdomen black, with the base pale, very smooth and shining ; 



