COLLECTED AT CELEBES. 75 



the mandibles with a single notch at their apex, not toothed ; eyes 

 very minute. The thorax, legs, and abdomen, paler than the head ; 

 the thorax much narrowed behind ; the metathorax armed with two 

 short acute spines ; the intermediate and posterior tibite not spined at 

 their apex. 



Worker minor. Differs only in the form of the head, which is more 

 rounded at the sides, and the mandibles are armed with two stout 

 teeth at the apex, and with several smaller ones behind. 



Hab. Makassar. 



Fam, CETPTOCEEID^, Smith. 

 Gen. EcHiNOPLA, Smith. 



1. Echinopla striata, Smith, Proc. Linn. Soc. ii. 80. 2 ^ . 

 Hab. Celebes; Malacca. 



Fain. MUTILLID.^. 



Gen. McTiLLA, Linn. 



1. Mutilla unimaculata. Smith, Cat. Hym. pt. iii. p. 138 $ . 



The male has the head and abdomen black and shining ; the thorax 

 blood-red ; the inner margin of the eyes notched ; the vertex strongly 

 punctate-striate. The thorax strongly punctured ; the metathorax with 

 larger and more distant punctures ; the tegulae red ; the wings fusco- 

 hyaline. Abdomen rather distantly punctured ; the apical margin of the 

 second and third segments thickly fringed with white pubescence ; the 

 following segments fringed with black. 



Hab. Makassar. 



The sexes of this species were taken in coitu. 



2. Mutilla Sibylla, Smith, Cat. Hym. Borneo, Proc. Linn. Soc. ii. 

 p. 86. 11 9. 



Mutilla suspiciosa. Smith, Cat. Hym. Borneo, Proc. Linn. Soc. ii. 



p. 84. 6 <? . 

 The sexes of this species were taken in coitu. 



3. Mutilla maura. M. nigra pubescens ; alis fuscis; abdominis 

 segmentis pube alba fasciatis. 



Male. Length 5|- lines. Entirely black and shining; the head and 

 thorax with large scattered punctures ; the face and cheeks with a 

 loose silvery pubescence ; that on the vertex, and on the disk of the 

 thorax, fuscous ; the metathorax covered with large shallow punc- 

 tures, and covered with short cinereous pubescence, having at the base, 

 in the centre, a smooth, shallow, longitudinal channel extending half 

 its length ; the wings fuscous. Abdomen : campanulate, smooth, 

 shining, and distantly punctured, with a scattered cinereous pubes- 

 cence on the three basal segments, and with black on the foiu- apical 



G* 



