34 HYMENOPTERA. 



their base, the third submarginal and third discoidal cells have 

 each a small hyaline spot ; the metathorax black, and rounded 

 posteriorly. Abdomen black; the basal segment, the apical 

 margin of the second, and the third and fourth segments clothed 

 with a rich golden pubescence. 



Hab. Madras. 



179. MUTILLA OPTIMA. 



Female. Length 3 lines. Head, thorax and legs ferruginous ; 

 the pubescence on the face silvery, that on the vertex gold- 

 coloured; tips of the mandibles piceous. Thorax subovate, 

 narrowed behind, thinly sprinkled with golden hairs, and having 

 at the sides a few long black and also a few white ones ; the 

 legs have a glittering silvery pubescence; the spines which 

 arm the intermediate and posterior tibiae externally, and also 

 those at the apex of the joints of the tarsi, black ; the calcaria 

 pale testaceous. Abdomen black ; the basal joint red and having 

 a spot above, a second ovate spot at the base of the second 

 segment, and a third at its apex in the middle, and a larger 

 one on each side, of bright glittering silvery pubescence; the 

 third segment has a central spot of the same colour and brilliancy; 

 beneath, rufo-piceous at the base, and having the apical margins 

 of the second and third segments fringed with silvery-white pu- 

 bescence. 



Hab. India. (Coll. W. W. Saunders, Esq.) 



180. MUTILLA OPULENTA. B.M. 



Male. Length 6 lines. Black, the eyes emarginate, the 

 mandibles, scape and labrum ferruginous ; the head and thorax 

 clothed with bright pale golden pubescence, a stripe of the same 

 beneath the wings ; the tegulse, legs, and nervures of the wings 

 ferruginous, the latter fusco-hyaline, their base hyaline. Abdo- 

 men : beneath and also the extreme base rufo-piceous ; the apical 

 margins of the segments, except the sixth and seventh, have a 

 broad fascia of bright golden pubescence ; the pubescence on the 

 two apical segments black. 



Hab. India. 



181. MUTILLA PULCHRINA. B.M. 



Female. Length 5^-6 lines. Head and thorax red, deeply 

 longitudinally rugose ; the antennae and legs nigro-piceous, the 

 pubescence on the latter golden-yellow; the thorax armed 

 on each side, before the middle, with a stout tooth, behind 



