126 



HYMENOPTERA. 



the flagellum clavate, the club 3-jointed, the basal joint of the 

 flageUum as long as the three following ; the metathorax with 

 two minute spines. Abdomen ovate, the first node of the pe- 

 duncle elongate, the second subglobose. 



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



47. Myrmica trachylissa. B.M. 



Female. Length 3 lines.— Ferruginous : the head and thorax 

 coarsely rugose, longitudinally grooved, the grooves with deep, 

 large punctures ; the head very large, larger than the thorax, the 

 latter nearly globose ; the verge of the truncation of the meta- 

 thorax widely emarginate, the lateral angles produced, forming 

 acute teeth. Abdomen very smooth and shining, the nodes of 

 the peduncle smooth, shining and subglobose. 

 Hab. Borneo. (Coll. A. R. Wallace.) 



48. Myrmica longipes. 



Worker. Length 2^ lines.— Dark brown : head much wider 

 than the thorax, narrowed behind the eyes and prolonged into a 

 short neck; antennae longer than the 'body and very slender; 

 the scape and also the fiagellura slightly thickened towards 

 their apex. Head much wider than the thorax, the mandibles 

 rufo-testaceous. Thorax: the prothorax elongate, prolonged 

 into a neck, the meso- and metathorax divided by a deep stran- 

 gulation, the metathorax with two minute upright spines. Ab- 

 domen ovate ; the peduncle elongate, formed of two nodes, the 

 first smaller than the second and less elevated, both having a 

 short footstalk. 



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



Species of Syria, Madeira, Cape of Good Hope, Port Natal, 

 and Australia.— Sp. 49-55. 



49. Myrmica venusta. B.M. 



Worker. Length 1| line.— Head, antennte, thorax, letrs, and 

 petiole of tbe abdomen, ferruginous ; abdomen black, smooth and 

 shining. Head oblong, very slightly emarginate behind ; eyes 

 and tij)s of the mandibles black. Thorax shghtly narrowed be- 

 hind, the division distinctly marked between the meso- and me- 

 tathorax, the latter not spined. Abdomen ovate, truncated at the 

 base. 



Hab. Syria. 



