HYIIENOPTERA. MT 



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 coxse black ; 

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

 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 

 anteunse and tarsi pale ferruginous ; the femora and tibiaj dark 

 rufo-piceous ; the head longitudinally rugose. Thorax with 

 obscure ferruginous tints, the prothorax with a curved transverse 

 striation, tlie meso- and metathorax transversely and coarsely 

 striated. The first node of the jjctiole 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, antenacf, 

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

 thorax black, obscm-ely reddish beneath ; the legs dark rufo- 

 piceous, with the tarsi and front of the anterior tibire 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. Abilomen shining, and 

 covered with a fine, silky, cinereous pile, the apes spnnkled 

 with a few long pale hairs. 



Hab. Australia. 



14. Myrmecia Tasmaniensis. B.M. 



Worker. Length 6 lines. — Black : the mandibles, antenna:, 



H 2 



