180 FORMIC I U,l'. 



large, punctiirecl. the masticatory margin dark brown, acute at 

 apex and deiiticulate ; clypeiis convex, broad, indistinctly tricarinate, 

 anteriorly somen hat truncate, its posterior mai'gin in the middle 

 between the bases of the anteniue well-marked ; antennal carina) 

 wide apart, produced l)ack\v:irds as slightly divergent striie, border- 

 ing a shallow hut l)road hollow for the reception of the scape of 

 the anteinia? ; antenna; somewhat long and stout, the scape 

 extending to the top of the head ; eyes proportionately large, placed 

 on the sides, a little lower than the middle of the head. Thorax 

 in miniature resen)bling that of T. smithi, Mayr, margined in the 

 same way on each side and with the same waved lateral outline; 

 metanotal spines, however, very small, dentate, scarcely longer than 

 the m(>tasternal teeth. Pedicel : the 1st node petiolate anteriorly, 

 higher than the :2ud node and broader than long ; 2nd node also 

 transverse, rounded at the sides ; abdomen oval, convex. 



Lemjfh, ^ barely over 2 mm. 



Flab. Indo-]Malayan and Ethiopian regions. Recorded within 

 our limits frouj Calcutta {Rotluuy, teste Ford). 



The above description is taken from a specimen, labelled by 

 Mr. F. Smith himself, in the Brit. Mus. I have not seen a typical 

 specimen from any part of India. In addition Dr. Forel (Kev. 

 Suisse Zool. X (r.X»2), p. 235) describes two slightly differing races. 

 Race loivinode. Forel, seems to differ chietly in the heavier coarser 

 sculpture of the head and thorax, the broader luore margined pro-, 

 nu-so- and metanotum, and in both nodes being smooth and 

 shining, not sculptured ; from Calcutta (ii!o^7mL'y/). 'Racq de]iticu- 

 latmn, Forel, according to the description, seems to resemble the 

 insect that I take to be typical sirniUiiiruin in having the metanotal 

 and metasternal spines small and sube(}ual, but it is smaller, \\ith 

 the nodes of the pedicel smaller and a little more sculptured, the 

 sculpture of the head and thorax feebler, and the antennal furrows 

 not well defined. 



In Mr. Wroughton's collection there seems to me to be a third 

 race from Bombay, ha\ing the head and thorax dark red, the 

 abdomen black. This race is stouter, more heavily made than 

 typical simiUimuh), with the head longitudinally striate, the thorax 

 punctured and reticulate, and the metanotal and metasternal spines 

 or teeth ver}' small and subequal. 



Length, ^ 2"5 to nearly 13 nnn. 



217. Tetramoriuni pilosum, Emerji. 



Telramoriiun (Xiphomyrmex) pilosum, Fmcry, Atm. Sac. Ent.Fr. 

 Ixii (1893), p. 247, ^. 



" ^ . Ferruginous; mandibles, antennse and legs testaceous, shining; 

 pUosity long, the hairs tine ; the head in the n)iddle deeply striate- 

 rugose, on the sides and posteriorly coarsely reticulate; antennal 

 grooves produced ; clypeus carinate, rugulose ; mandibles \\ith 7 

 teeth, at the base smooth, at apex striate; thorax with large coarse 

 reticulations, not impressed on the back, the sutures obsolete • 

 meso- and metanotum obtusely margined, the latter furnished with 



