OP HYMENOPTEEA FBOM SUMATRA, ETC. 69 



3. PoLYRHACHis BiHAMATUS, Drury, Ins. ii. pi. 38. 

 Hab. New Guinea ; Sumatra. 



4. PoLYRHACHis AcANTHA, Smith, Proc. Linn. Soc. v. p. 98. 

 Hab. Salwatty ; Morty Island. 



5. POLYRHACHIS SERiCATus, Guer. Voy. Coq. Zool. ii. p. 203. 

 Hab, Salwatty. 



6. PoLYRHACHis CHALYBBUS, Smith, Proc. Linn. Soc. ii. p. 61. 

 Hab. Sumatra. 



7. POLYRHACHIS Pandarus, Smith, Proc. Linn. Soc. ii. p. 62. 

 Hab. Sumatra. 



8. PoLYRHACHis EuDORA, Smith, Proc. Linn. Soc. v. p. 99. 

 Hab. Sumatra. 



9. PoLYRHACHis viLLiPES, Smith, Proc. Linn. Soc. ii. p. 61. 

 Hab. Sumatra. 



10. PoLYRHACHis BuBASTES, Smith, Proc. Linn. Soc. vii. p. 15. 

 Hab. Morty Island. 



11. PoLYRHACHis BELLicosus, Smith, Proc. Linn. Soc. iv. p. 142. 

 Hab. Morty Island. 



12. PoLYRHACHis MARGiNATUS, Smith, Proc. Linn. Soc. iv. p. 139. 

 Hab. Gilolo. 



13. POLYRHACHIS DiVES, Smith, Proc. Linn. Soc. ii. p. 64. 

 Hab. Sula. 



14. POLYRHACHIS DiAPHANTUS, Smith, Pvoc. Linn. Soc. vi. p. 40. 

 Hab. Sula. 



15. PoLYRHACHis RUGiFRONS, Smith, Proc. Linn. Soc. v. p. 70. 

 Hab. Salwatty. 



16. PoLYRHACHis Atropos, Smith, Proc. Linn. .Soc. v. p. 100. 

 Hab. Gilolo. 



17. PoLYRHACHis Neptunus. P. niger ; thorace elongato, supra 

 deplanato, dentibus duobus parvis antice et postice armato ; abdominis 

 pedunculo ti-ispinoso. 



Worker. Length 2^ lines. Black ; the apical joint of the flagellum and 

 the claw-joint of the tarsi rufo-testaceous ; tips of the mandibles fer- 

 ruginous. The head anteriorly striated, posteriorly shagreened as far 

 as the insertion of the antennae ; the extreme base of the scape ferru- 

 ginous. Thorax flat above ; transverse in front, with the lateral angles 

 produced into short acute spines ; the sutures of the pro- and meso- 

 thorax deeply impressed ; the disk shagreened ; the metathorax with 

 two short erect spines. Abdomen globose, smooth and shining; the 

 node of the peduncle incrassate, and armed above with three long, erect, 

 acute spines. (PI. IV. fig. 2, ^ .) 



Hab. New Guinea. 



