22 ME. r. SMITH ON HTMENOPTEEOUS INSECTS 



2. Solenopsis laboriosa, Smith, Proc. Linn. Soc. vi. 48. 2. 

 Hab. Waigiou ; Celebes (Tondano). 



3. Solenopsis calida. S. fusco-ferruginea ; capita oblongo-ovato, 

 longitudinaliter striato, postice transverse striate ; abdomine oblongo, 

 nitido ; pedibus ferrugineis. 



Female. Length 7 lines. Dark brown^, with the anterior margin of the 

 face and the antennae ferruginous ; the head longitudinally striated 

 before the ocelli, behind which it has a curved rugose striation ; 

 the mandibles obscure ferruginous, smooth, with a few oblong 

 punctures at their inner margin, and having two teeth at their apex. 

 Thorax ovate, shining, with five distant punctures ; the sutures ferru- 

 ginous, as well as the apex of the metathorax ; the legs bright pale 

 ferruginous ; the lateral angles of the superior surface of the meta- 

 thorax subdentate. Abdomen oblong-ovate, the apical margins of 

 the segments broadly obscure ferruginous ; the nodes of the abdomen 

 thickened, transverse, rounded above. 



Hab. Ceram. 



Geu. Pheidole, Westw. 



1. Pheidole megacephala. Smith, Proc. Linn. Soc. v. 112. 6. 

 Hab. Timor; Tondano; Bachian. 



2. Pheidole singularis. P. rufo-ferruginea ; capite maximo, striato 

 at punctato, postice emarginato ; thorace quadrispinoso. 



Worker. Length 2 lines. Rufo-ferruginous ; the head very large, 

 more than four times the size of the abdomen, longitudinally striated, 

 with the sides and posterior portion strongly punctured, the posterior 

 margin deeply emarginate ; a curved transverse depression crossing 

 from eye to aye, the curve being backwards ; the mandibles very stout, 

 smooth, and without teeth on their inner margin. Thorax armed in 

 front with a stout acute spina on each side ; the metathorax has also 

 two spines, which are much smaller, nearly upright, and acute. Ab- 

 domen small, ovate, and fuscous towards the apex. 



Hab. Mysol. 



3. Pheidole mordax. P. rufo-ferruginea; capite maximo, longi- 

 tudinaliter striato ; metathoracis spinis acutis, minutissimis ; abdomine 

 apice fusco. 



Worker. Length 2 lines. Rufo-farruginous ; the head veiy large, at 

 least four times the size of the abdomen, longitudinally striated, 

 deeply emarginate behind. The thorax smooth and shining in front, 

 and with two minute, erect, acute spines on the metathorax ; the legs 

 long, slender, and paler than the body. Abdomen small and ovate, 

 ferruginous at the base and fuscous at the apex ; the first node of the 

 peduncle small and compressed, the second subglobose and transverse. 



Hab. Mysol. 



