I’ERMITKS FROM THE AUSTRALIAN REGION. 
Measuremeihts . — 
mm. 
Head, to apex of frontal process, long . . 
! -53 1 -70 
(nirely) 
,, with mandibles, long 
2-85 2-9() 
,, wide 
(P96 1 -OO 
(rarely) 
deep . . . . 
0-80 0-85 
Hula, at narrowest part, wide 
d-20 0-17 
(rarely) 
Fifteen nest-series from Albany and Bunbury. 
Mirotermes melvillensis (Hill). 
Proc. Linn. Soc. N.S.W., \’ol. xl, 1915. 
Plate ML, fios. 114-119 ; Plate VI., %. 204 ; Plate IX., fig. 205 ; 
IdateVlI., figs. 221, 222. 
I MAGO. 
Colour. I4ead and dorsum of thorax auburn ; postclypeus and 
abdominal tergites argus brown ; under surface, legs and antennae 
clay coloui', sternites of abdomen suffused laterally with Brussels 
brown ; wing membrane a little, lighter. 
Head (Kig. 114). Moderately setaceous, broadly rounded behind, 
fiat on summit. Lyes large (0'204 diameter), jirominent, coarsely 
facetted, separated from the lower margin of head by a space equal 
to one-third their diameter. Ocelli large, broadly oval, close to eyes. 
I’ostclypeus moderately convex, half as long as wide, markedly 
convex behind, truncate in front. Labrum narrow at base, widest 
in the middle. Fontanelle long and narrow, situated midway between 
the base of head and clypeofrontal suture. Antennae 14- jointed ; 
3rd joint smallest of all ; 4th and 5th equal. 
Thorax (Fig. 115). Pronotum a little narrower than head, 
slightly concave and bent up in front, anterolateral angles broadly 
rounded, sides sloping to the rounded posterior margin, the surface 
densely setaceous, the setae on the margins longest, golden. Meso- 
and inetanotum deeply emarginate posteriorly, clothed as in pro- 
notum. 
Wings (Figs. 204, 205). Wing margin very setaceous except on 
proximal one-third of hind border ; radial sector very stout, well 
separated from radius, setaceous throughout its length ; the base 
of the media and the first five or six tiranches of cubitus distinct, 
but all discernible to their extremity. Wing membrane densely 
covered with micrasters and liearing numerous setae. 
Legs. Moderately stout, very setaceous. 
Abdomen. Nearly parallel on the sides, apex pointed, clothed 
densely with, short, pale setae ; cerci short and stout. 
I()08.— 7 
