HYMENOPTERA. 14T 



Female. Length 5 lines. Head as in the worker ; the meso- 

 and metathorax ferruginous above and at the sides ; the legs 

 ferruginous, with the intermediate and posterior coxae black ; 

 the posterior femora towards the apex and the base of the tibiae 

 fuscous ; the nodes of the petiole ferruginous, the second node 

 fuscous above. Abdomen slightly shining, and thinly covered 

 with cinereous pile and pubescence. 



Hab. Adelaide. 



This is a very marked and distinct species ; only two speci- 

 mens have been received. 



12. MYRMECIA CRUDELIS. B.M. 



Worker. Length 7 lines. Black : the clypeus and mandibles 

 yellow, with the teeth and apex of the latter ferruginous ; the 

 antennae and tarsi pale ferruginous ; the femora and tibiae dark 

 rufo-piceous; the head longitudinally rugose. Thorax with 

 obscure ferruginous tints, the prothorax with a curved transverse 

 striation, the meso- and metathorax transversely and coarsely 

 striated. The first node of the petiole slightly roughened, the 

 second and the abdomen smooth and shining. 



Female. This sex only differs in the usual sexual characters, 

 the thorax being elongate-ovate, and not strangulated in the 

 middle. 



Hab. Adelaide. 



13. MYRMECIA NIGROCINCTA. B.M. 



Worker. Length 5 lines. Black : the mandibles, antennae, 

 thorax and basal node of the peduncle, ferruginous ; the meso- 

 thorax black, obscurely reddish beneath ; the legs dark rufo- 

 piceous, with the tarsi and front of the anterior tibiae ferruginous. 

 The head finely longitudinally rugose; the prothorax with a 

 central longitudinal depression on the disk, and very finely sculp- 

 tured with a curved transverse striation, which passes obliquely 

 down the sides; the meso- and metathorax very finely striated 

 transversely, the latter with an elongate depression in the middle 

 above ; both the nodes smooth and shining ; the second node 

 with some obscure ferruginous tints. Abdomen shining, and 

 covered with a fine, silky, cinereous pile, the apex sprinkled 

 with a few long pale hairs. 



Hab. Australia. 



14. MYRMECIA TASMANIENSIS. B.M. 

 Worker. Length 6 lines. Black : the mandibles, antennae, 



H2 



