172 HYMENOPTERA. 



with two short stout spines ; wings wanting. Abdomen subglo- 

 hose, the base shghtly emarginate. 



Hab. India (Madras). (Coll. Walter Elliott, Esq.) 



3. Physatta gibbosa. 



Female. Length 4 lines. — Head, thorax, and nodes of the 

 peduncle ferruginous ; the abdomen, legs and antennaj black ; 

 the legs with a very obscure ferruginous tint, the tips of the 

 joints brighter; the tips of the joints of the antennae rufo- 

 piceous ; the head and thorax longitudinally rugulose ; the head, 

 thorax, legs and antennae thinly clothed with black pubescence ; 

 the thorax subglobose, very convex above ; the scutellum pro- 

 minent; the metathorax terminating in two stout spines; the 

 wings dark fuscous. Abdomen globose and shining, thinly 

 sprinkled with black hairs ; the nodes of the peduncle subglo- 

 bose, the first scarcely larger than the second. 



Hab. Java. (Coll. East India House.) 



4. Physatta Natalensis. B.M. 



Female. Length 5 lines. — Head, thorax, and nodes of the 

 abdomen bright ferruginous ; the antennae, legs and abdomen 

 very dark fusco-ferruginous ; the mesothorax with three fuscous 

 stripes, the central one abbreviated. The head coarsely rugose ; 

 the ])rothorax transversely striated, the striae delicate and irre- 

 gular ; the mesothorax and scutellum longitudinally striated, the 

 latter very convex and prominent ; the metathorax with two 

 stout spines ; the wings fuscous ; the nodes of the peduncle 

 globose, and of equal size; the entire insect thinly sprinkled 

 with short pale hairs. 



Hab. Port Natal. 



Genus 3. PHEIDOLE. 



Pheidole, Westw. Ann. &; Mag. Nat. Hist. vi. 87 (1841). 

 CEcophthora, Heer, Ueber die Hausameise Madeir. (1852). 



Head large in the worker major, of moderate size in the other 

 sexes. Mandibles very strong, the inner edge oblique, without 

 teeth in the large worker, toothed in the small worker. Maxil- 

 lary palpi 2-jointed; labial j)alpi 2-jointed. Antennae 12-jointed 

 in the females, large and small workers. Thorax narrower than 

 the head, much more so in the large workers. Wings with two 

 complete submarginal cells, and one complete discoidal cell; the 

 metathorax usually with two short spines. The anterior tibiae 



