WIIKKI.KR: TIIK ANTS Cif !JOItNF.(). 120 



IVscrilM>«l from two workiTs and a fcinalc taken I>y Mr. .I<»liii 

 Hewitt at Kiuliin^. 



Of the various spiTies of Myniiothrinax, namely thrinn-x Ro^er, 

 tfxior Suiitli, arqutru.sjn\s Wlicrlcr, thilili Forel uudfrdunifrhli Mayr, this 

 species sivnis to l)e most closi'ly related to the last. The worker 

 trianio, however, is smaller, not hiaek and has the sides of the thoru.x 

 sliarply niarj;inate. whereas Mayr says oi frnunifihU that it has the 

 "thorax sine marj^inihus aentis." The Hornean form is not unlike 

 dahli in the j;eneral shape of the thorax, hut the jjronotal teeth of the 

 former are lonjjer, the epinotal teeth much shorter, the sculpture, 

 color, and size are different and the basal funicular joints are shorter. 

 /*. triania occurs also in Java as I possess a dealated female from that 

 island received from Staudinger under the niiiuv frauntfddi. 



211. PoLYRHACHis (Chariomyrma) arcuata (Lc Guillou). 



Formica arcuata Le Guillou, Ann. 8oc. cnt. France, 1841, 10, p. 31.5, S 9. 

 Pulyrhachis latifrons Roger, Berlin ent. zeitschr. 1863, 7, p. 155, § . 

 PoUjrhachis modiglianii Emen.', Ann. Mus. civ. Gcnova, 1888, ser. 2, 6, p. 529, 



S 9, pi. 9, fig. 1. 

 Pdyrhachis arcuala Forel, Mitth. Zool. mus. Berlin, 1901, 2, p. 32. 



Ti/pc-localitic Borneo (Voyage of the "Astrolabe" and "Zelee"). 

 A single dealated female from Bongo Mt., Sarawak (Hewitt and 

 Brooks). • 



212. PoLYRiL\ciiis (Myrmhopla) armata (Le Guillou). 



Formica armata Le Guillou, Ann. Sec. ent. France, 1841, 10, p. 313, o^. 



Polyrhachis armata Mayr, Tijd.schr. ent., 1867, 10, p. 46, S . 



Polyrhachis defensius Smith, Journ. Proc. Linn. soc. London. Zool., 1857, 2, 



p. 59, S . 

 Polyrhachis pandarus Smith, ibid, p. 62, S . 



Type-locality: Samboangan, Philippines (Voyage of the "Astro- 

 labe" and "Zelee"). 



Sarawak (Doria and Beccari; A. R. Wallace); Hayvep (Winkler). 



Numerous workers and females from Kuching (John Hewitt) and 

 Kuching, Matang, and S-erambu Mts. (H. W. Smith) and British 

 North Borneo (E. B. Kershaw). Nearly all of these specimens have 

 the gaster ferruginous instead of black. 



