OF CERAM, CELEBES, TERNATE, AND GILOLO. 39 
2. Polyrhachis bihamatus, Drury, Ins. ii. pl. 38. f. 8, 3. 
Hab. Celebes; Bachian; Sumatra; Borneo; India; Ceram. 
3. Polyrhachis Merops, Smith, Proc. Linn. Soc. Supp. v. 98. 9. 
Hab. Celebes ; Bachian. 
4. Polyrhachis Busiris, Smith, Proc. Linn. Soc. Supp. v. 98.7, 2. 
Hab. Celebes; Bachian. 
5. Polyrhachis bicolor, Smith, Cat. Hym. Ins. pl. 6 (Formicidae), p. 
65. 25. 
Hah. Ternati; Burmah. 
6. Polyrhachis rugifrons, Smith, Proc. Linn. Soc. Supp. v. 70. 3. 
Hab. Ceram; Makassar. 
7. Polyrhachis rufofemoratus, Smith, Proc. Linn. Soc. iii. 142. 14. 
Hab. Ceram; Aru. 
8. Potyrsacuis Orsyuuus. P. niger, cinereo-sericeo vestitus; thorace 
supra deplanato ; spinis duabus acutis antice armato; squama integra ; 
tibiis ferrugincis. 
Worker. Length 3 lines. Black and thinly clothed with silky cine- 
reous pile ; the extreme apex of the flagellum and the palpi pale rufo- 
testaceous. The head and thorax above longitudinally and delicately 
striated; the margins of the thorax acute and slightly raised; the 
spines on the prothorax short, stout, and acute; the tibiz ferruginous, 
the posterior pair rather dusky. Abdomen globose, the node of the 
peduncle broad, with its superior margin rounded, not spined. (PI. I. 
fig. 6.) 
Hab. Celebes (Tondano). 
9. PotyrHacuis MutTitiz. P. niger; capite thoraceque cinereo- 
sericeo vestitis; abdomine pallide-aureo tectis; thorace spinis acutis 
duabus antice et postice armato; squama spinis duabus longis curvatis. 
Worker. Length 23 lines. Black, the head and thorax with a thin 
silky cinereous pile, that on the abdomen of a pale golden hue, the 
antenne and legs black without pile, and slightly shining. Thorax 
convex above, the anterior spines short, slender and acute; the meta- 
thoracic spines rather longer but equally slender and acute; the node 
of the peduncle with two long spines which are curved to the shape 
of the base of the abdomen ; the latter globose. The thorax flattened 
transversely, but curved longitudinally. (PI. I. fig. 7, and fig. 15 var. ?) 
Hab. Celebes (Tondano). 
10. Poryruacuis OLEeNus. P. niger; thorace supra deplanato, spinis 
duabus acutis anterioribus; squama spinis duabus longis armata; 
corpore aureo-sericeo vestito. 
Worker. Length 3 lines. Black and clothed with ashy silky pile ; the 
palpi pale rufo-testaceous. Thorax flattened above, with the lateral 
