750 AUSTRALIAN TERMITID^K, 



Professor Spencer says : — " The nest of this species was found 

 at the root of a spinifex bush, and was 1 foot 6 inches in height, 

 and about 9 inches in diameter " (Horn Expedition, 1895). 



EUTERMES PYRIFORMIS, n.Sp. 



(Plate XXXV., figs. 10, 10a, 106.) 



Immature. — Dull white, eyes reddish-l)rown. Length 5 lines. 



Head longer than broad, rounded behind, narrow in front from 

 the antennal cleft; eyes small; ocelli indistinct; antennae 16- 

 jointed, springing from a cleft in line with the eyes, 1st joint 

 stout; 2nd half the length, I'ounded at the tip; 3rd smallest, 

 rounded; 4th slightly larger; 5th to 15th turbinate; 16th oval. 

 Clypeus narrow, lobed ; labrum short, rounded in front ; jaws 

 broad, with two stout conical teeth at the tip, a broad axe-shaped 

 space below, with a deep angular serration below, again swelling 

 out at the base. Prothorax nearly truncate in front, narrow and 

 sloping round on the sides and behind; legs stout, very hairy. 

 Abdomen elongate-oval; cerci short and stout. 



Soldier. — Head reddish-brown, smooth, shining and lightly 

 covered with hairs; basal part of the snout black, tip reddish- 

 brown; antennte light brown, each segment distinctly barred with 

 lighter colour at the tip; frontal ridge of prothorax brown; the 

 rest light yellow. Length '2\ lines. 



Head broadly rounded behind, snout tapering, a little shorter 

 than the oval portion of head. Antennae 14-jointed, very hairy; 

 1st joint stout, long, cylindrical; 2nd smallest; 3rd to 13th 

 elongate-oval, broadest and rounded at the tips; 14th shorter, 

 rounded; palpi long, slender; labial palpi much longer than the 

 snout. Prothorax small, truncate in front, with a distinct collar 

 behind the neck, rounded behind; legs long; thighs stout; tibiae 

 very long, cylindrical, hairy; tarsi short. Abdomen elongate-oval; 

 segments large; cerci large, stout, conical and very hairy. 



Worker. — Head pale ochreous, dorsal surface blotched with 

 brown, divided across the centre by an irregular pale suture, the 

 rest dull white. Length 3 lines. Head as broad as long, rounded 

 behind and on the sides, contracted in front of the antennte; 



