TERMITES FROM THE AUSTRALIAN REGION. 
57) 14 jointed ; the 1st joint short and stout ; 2nd much shorter 
and narrower; 3rd smallest of all; 4th to 12th moniliform, in- 
creasing in size progressively ; 13th and 14th about as long as 12tli : 
14th broadly oval. 
Thorax (Fig. 58). — Pronotum of typical form, markedly setaceous, 
many of setae large, larger than any on head. Meso- and metanotum 
very setaceous, but none of the setae very large ; the posterior 
margin of these sclerites irregular in form, often malformed or serrate 
as though damaged in adolescence. 
mngs. ^ll'ing-stumps densely setaceous, as in pronotum, suture 
nearly straiglit. Wings (Figs. 179, 180) long and narrow ; the 
margin very setaceous ; the two anteriormost veins and the first 
five or six branches of the cubitus much darker than the membrane ; 
the other veins indistinct but discernible to their extremity ; the 
radial sector very setaceous along its entire length, the membrane 
near its base suffused with dark lirown ; the media with three or 
four branches ; media of hindwing branching from the radial sector 
well beyond the suture ; the cubitus with nine to thirteen branches. 
Membrane moderately setaceous and densely covered with niicrasters. 
Legs . — Short and moderately stout, very setaceous ; sjmrs ami 
claws long and slender. 
Abdomen. - -Long and narrow, densely setaceous ; the spiracles 
distinct. 
Measurements.- - 
Length with wings . . 
,, without wings 
Head, from base to apex of labrum, long 
,, from base to clypeofrontal suture, long 
,, wide 
Ihonotum, long 
,, wide 
Wings, forewings, long 
,, ,, wide 
,, liindwings, long 
... ” 
Tibia iii, long 
Abdomen, ivide 
mm. 
7 -50-8 -00 
4- 25-4- 50 
0-85-0 -93 
0-51-0-56 
0-81 
0-39 
0- 64 
6-25 
1- 53 
6-25 
1-53 
0-76-0-85 
1 -00 
Queen. 
Total length, 18 ‘50 mm. ; abdomen, wide, 3 '50 mm. 
Soldier. 
The soldiers vary somewhat in the size and shape of the head 
(cf. Figs. 59, 60 and 61), the figure on right representing the com- 
monest form), but as a rule there is little variation in members of 
[ 61 ] 
