50 MR. F. SMITH ON HYMENOPTEROUS INSECTS 
spinosis ; thorace spinis duabus acutis elongatis armato; abdomine 
cordato. 
Worker. Length 2} lines. Opake-black; the head and thorax above, 
with a coarse irregular striation, intermixed with a rough granulation, 
the margins of the head crenulated, the posterior angles acute and 
slightly produced. Thorax armed posteriorly with two stout diverging 
spines. Abdomen oblong-cordate, finely and irregularly striated ; 
sprinkled with distant short white erect setz; the nodes of the pe- 
duncle rugose. 
Hab. Celebes (Tondano). 
Gen. Ecurnorra, Smith. 
1. Echinopla striata, Smith, Proc. Linn, Soc. ii. 80. 3. 
Hab, Celebes; Malacca. 
2. Echinopla pallipes, Smith, Proc. Linn. Soe. ii. 80, 2. 
Hab. Celebes ; Borneo. 
3. EcHINOPLA DuUBITATA. £. nigra; capite thoraceque rugosis; ab- 
domine ovato levi nitido; squama in utroque latere spina horizontali ; 
femoribus pallide testaceis. 
Worker. Length 2 lines. Black, and thinly covered with erect black 
hairs; the head and thorax rather finely rugose; the antennze pubes- 
cent, with the extreme tip pale testaceous; the eyes round and very 
prominent. The anterior margin of the prothorax arched with a short 
acute spine at the lateral angles; the thorax is deeply constricted in 
the middle, the metathorax rounded behind; the roughness of the 
thorax gives its margins a crenulated appearance; the cox, trochan- 
ters, and base of the femora pale rufo-testaceous; the claw-joint of 
the tarsi rufo-testaceous. Abdomen globose, shining, and very finely 
punctured. 
Hab. Celebes (Tondano). 
Fam. MUTILLIDA, Leach. 
Gen. MuttLua. 
1. Mutilla Merops, Smith, Supp. Journ. Proc. Linn. Soc. v. 115. 2. . 
Hat. Gilolo; Bachian. 
2. Mutilla anthylla, Smith, Supp. Journ. Proc. Linn. Soc. v. 115. 4. 
Hab. Gilolo; Bachian. 
3. Mutilla Ianthea, Smith, Proc. Linn. Soc. Supp. v. 115. 3. 
Hab. Amboyna; Bachian. 
Gen. Mernoca, Latr. 
1. Meruoca THoracica. M. rufo-ferruginea; capite abdominisque 
fasciis tribus nigris. 
