01" THE ISLAND OE ST. YINCEKT. 115 



metatliorax ratlaer long, with delicate lateral keels, and more or 

 less lineately rugose. Abdomen longer than tlie head and 

 thorax together ; the petiole very long, as long as the posterior 

 femora and trochanters together ; the petiole, second segment, 

 basal half of third, and the fourth segment opaq[uely shagreened ; 

 rest of the abdomen smooth, shining. 



Sab. St. Vincent. 



Described from 23 specimens. The species is exceedingly 

 variable in size and somewhat in colour, but is readily distin- 

 guished from the other described species by the white tips of the 

 female antennae. 



Subfamily Hecabolin"^. 



Heteeospiltjs, Haliday. 



Tahle of Sjjecies. 



Females. 



Second abdominal segment with one or more trans- 

 verse impressed Hnes or sutures . , 2. 



Second abdominal segment without a transverse im- 

 pressed line or suture. 

 Dark ferruginous ; antennae fuscous, the two basal 

 joints and the sutures of all the joints, and the 

 legs white or pale luteous, the legs with some 

 brown markings ; first and second abdominal 

 segments and the basal half of the third striated. H. ferruginus. 

 Black, opaque, minutely rugose ; antennaj pale 

 brown, yellowish basally ; legs black ; knees, 

 tips of tibiae, and tarsi honey-yellow ; first 

 abdominal segment and the basal half of the 



second opaquely sculptured H. carbonarius. 



2. Second abdominal segment with one transverse 



suture 3. 



Second abdominal segment with three transverse 

 sutures longer than the first. 

 Thorax and abdomen black or fuscous ; head, 

 collar, legs, band at base of second abdomi- 

 nal segment, and the apex of abdomen 

 luteous or white; first abdominal segment 

 and the second to the thu'd transverse su- 

 ture, and the basal portion of the third, 

 striated or aciculated ; the apex of the 

 second segment and the rest of the abdo- 

 men smooth, poUshed H. fasciatus. 



