HYMENOPTERA. 141 



separate until further information is obtained; in the genus 

 Myrmicaria, tlie antenna; are 13-jointeil, those of Physatta being 

 7-jointed ; the labial and maxillary palpi 3-jointed. 



1. Myrmicaria brunnea. PI. X. figs. 6-8. B.M. 



Myrmicaria brunnea, Saund. Trans. Ent. Soc. Land. iii. 57- pi. 5. 

 ■f . 2 (? . 



Hab. India. 



2. Myrmicaria vidua. 



Male. Length 6 lines. — Brown-black, pubescent : antenna; 

 reaching to the apex of the first node of the peduncle ; mouth 

 reddish-brown. Head rugose ; the thorax longitudinally rugose 

 on the disk ; wings hyaline at the base, tinged with brown to- 

 wards their apex ; the nodes of the abdomen finely roughened, 

 with a longitudinal narrow smooth line ; the abdomen heart- 

 sha})ed, smooth and shining, the head and thorax opake. 



Hab. Java. (Coll. East India House.) 



This s])ecies diff'ers from M. brunnea in the coarser sculpture 

 of the thorax ; tlie nodes of the abdomen are much broader, and 

 are also roughened and very pubescent. 



3. Myrmicaria Tigreensls. B.M. 



Myrmica tigreensis, Gue'r. Voy. Abyss. (Lefeb.) vi. 351. pi. 7. 



fig. 7. 

 Hab. Port Natal. 



Genus 6. HEPTACONDYLUS, Srnith. 



Head suborbiculate, wider than the thorax ; eyes lateral and 

 ovate ; the stemmata jilaced in a triangle on the vertex ; antenna; 

 geniculated, filiform, the scape nearly as long as the flagellum, 

 jjlaced forwards on the head at the base of the clypeus; the fla- 

 gellum (')-joiiited, the joints clavate, except the apical one, which 

 is cylindrical ; the lal^ial palpi 3-jointed, the maxillary palpi 

 3-jointed. Thorax ovate, gibbous ; the scutellum very promi- 

 nent ; the metathorax armed with two acute spines (in the female), 

 compressed and strangulated (in the workers) ; the superior wings 

 with one marginal and one complete submarginal cell, the sub- 

 marginal cell receiving the recurrent nervure ; the superior angle 

 of the discoidal cell touching the costal nervure. Abdomen 

 ovate ; the peduncle com])osed of two nodes. 



This genus presents a remarkable deviation from the general 



