HYMENOPTERA. 143 



by a sharp carina ; the metathorax elevated, armed with two 

 acute spines ; the legs elongate find slender ; the coxae beneath, 

 the base and apex of the femora and tibiae, and the tarsi, pale 

 ferruginous. Abdomen smooth and shining, the apex pale fer- 

 ruginous. 

 Hab. Borneo (Sarawak). 



Very distinct from either of the preceding species, and distin- 

 guished by its elongate legs and antennae. 



Genus 7. MYRMECIA. 



Formica, pt., Fabr. Ent. Syst. ii. 363 (1793). 

 Myrmecia, Fair. Syst. Piez. 423 (1804). 



Mandibles elongate, porrect, serrated on the inner edge alter- 

 nately with large and small teeth, tips curved inwards and acute 

 at the apex ; maxillary palpi 6-jointed, the labial palpi 4-jointed ; 

 antennae filiform, as long as the head and thorax ; eyes large, 

 ovate, prominent, situated forwards at the sides of the head, 

 nearly touching the base of the mandibles ; ocelli present in all 

 the sexes. Thorax elongate ; anterior wings with one complete 

 marginal, three complete submarginal, and two discoidal cells. 

 Abdomen with two ovate nodes in the petiole. Pupae enclosed 

 in cocoons. 



This genus of Ants appears to be confined to the continent of 

 Australia and to Tasmania. 



1. MYRMECIA GULOSA. B.M. 



Formica gulosa, Fabr. Syst. Ent. 395 $ ; Spec. Ins. i. 494. 34; 

 Ent. Syst. ii. 363. 55. 



Oliv. Encycl. Meth. vi. 501. 50. 



Latr. Hist. Nat. Fourm. 215. pi. 8. f. 49. 

 Myrmecia gulosa, Fabr. Syst. Piez. 424. 2. 

 Myrmica gulosa, Guer. Voy. Coq. ii. 206. 



Hab. Australia. 



The male of this species differs from the other sexes, principally 

 in having the antennae nearly as long as the. body, the scape very 

 short, the head compressed, the eyes and ocelli very prominent ; 

 it is about the same size as the other sexes. 



2. MYRMECIA FORFICATA. B.M. 

 Formica forficata, Fabr. Ent. Syst. ii. 363. 56. 



Oliv. Encycl. Meth. vi. 501. 51. 



