AUSTRALIAN SPECIES OF RHYTIDOPONERA MAYR 
21 
and sharply pointed. Gaster finely striate trans- 
versely. Chocolate brown. 9 5 mm. .. punciigera Cr&w. 
51. Epinotum short, rounded into declivity. Node 
higher than long, posterior face straight and vertical, 
rounded into the feebly convex dorsum, posterior 
face strongly concave. Spine thorn-like, very short 
and sharp. Gaster transversely arched striate. Dark 
brown. 7 mm reflexa sp. nov. 
52. Occipital border straight or slightly concave in middle, 
crest feeble. Sculpture coarse 58 
53. Epinotum convex to bottom of declivity. Node thin, 
longer at base than on top, dorsum, anterior and 
posterior faces feebly convex. Spine short and 
sharp, twice as long as broad at base. Gaster trans- 
versely arched striate. Blackish brown. 7-7-5 mm. 
pilosula sp. nov. 
54. Epinotum convex longitudinally. Node high, 
parallel, all faces straight, dorsum one-sixth shorter 
than posterior face. Spine thorn-like, short, broad 
and sharp. Gaster finely and densely striate trans- 
versely. Black. 8 mm nigra sp. nov. 
55. Epinotum convex longitudinally. Node higher than 
long, longest at base, anterior face vertical, straight, 
posterior face inclined forward above, dorsum flat. 
Spine very short and sharp. Gaster very finely and 
densely striate transversely. Brown. 8 mm. . . hilli Craw. 
56. Epinotum feebly convex from base to bottom of 
declivity. Node higher than long, both faces parallel, 
dorsum flat, edges sharp. Spine short, very slender 
and sharp. Gaster very finely and densely striate 
transversely. Blackish-brown. 8 mm. . . eremita sp. nov. 
57. Crest strong, slightly projecting. Epinotum strongly 
convex from base to foot of declivity. Node higher 
than long, parallel, anterior face slightly convex, pos- 
terior face slightly concave, dorsum flat. Spine short 
and sharp, thorn-like. Gaster very delicately striate 
transversely. Blackish brown. 7 mm. fuliginosa sp. nov. 
58. Epinotum convex longitudinally. Node much higher 
than long, anterior face straight, sloping forward 
below, posterior face straight, rounded into and as 
long as dorsum, anterior edge sharp. Spine thorn- 
like, short and sharp. Gaster finely striate trans- 
versely. Brown, gaster red. 8-9 mm. . . rufiventris For. 
59. Occipital border convex, crest small 63 
60. Crest sharp. Epinotum convex to bottom of declivity. 
Node as high as long, longer at base than at top, 
anterior and posterior faces almost straight, dorsum 
feebly convex. Spine obsolete. Gaster finely and 
densely striate transversely. Blackish-brown. 7 5-8 
mm convexa Mayr 
61. Sculpture fine; colour bright red, otherwise as in 
convexa Mayr var. rufescens For. 
