liL)4 IlOKN KXPEIJITION — SUPPLEMENT. 



4. Camponotus reticulatus, sp.n. 



Lcnt^th. — Large worker, 9 iiiiii. ; small worker, 6 uuu. 



Large worker. — Dark pitcliy-brown, inclining to rufotestaceous ; uiaiKlibles 

 ferruginous, antenniB, tarsi, and under surface of legs reddish ; abdomen with a 

 white stripe on each side intersecting the white incisions ; mandibles about twice 

 as long as broad at the base, gradually curved, pointed at the tip, and armed with 

 six large teeth, in addition to the long terminal tooth ; clypeus carinated, about 

 as br'oad as long, the sides subrotund, the upper and lower extremities concave. 

 Outer antennal ridges slightly waved, but diverging above, and neither thcise nor 

 the central one attain the sumnnt of the vortex. Head very convex behind, 

 thorax sloping, gradually narrowed behind ; thorax and abdomen sparsely clothed 

 with thick, raised hairs. Antennie and legs clothed with short hair ; legs mode- 

 rately long and slender, with a very strong, pale, terminal spine on the tibia. 

 Petiole large, conical, sloping slightly forwards. 



The small workers are nearly black, with the scape of the antcniue and the 

 tarsi rufotestaceous, and the incisions of the abdomen pale. 



Paisley Bluff, burrow-nest under stones, many specimens ; also Palm Creek 

 and Finke Gorge. 



I cannot make this conspicuous species agree with any of the specimens or 

 descriptions before me, though it somewhat resembles C. testaceipes, Smitt. It is 

 possibly a honey ant, but the carinated clypeus is alone sutHcient to separate it 

 from C. iiijlalus., Lubbock. 



5. Camponotus novae-hollandiae. 



Camponotus novtc-hollandicr., Mayr, Verb. Zool. Bot. Ges. Wien, XX., p. 939 

 (1871). 



McDonnell Range ; Palm Creek ; Paisley Bluff. 



Forms burrows under stones on hill-sides ; sometimes found solitary. 



Many specimens, a variable species ; some of the small workei's are wholly 

 pale yellow ; the large workers have black heads, and their abdomen is reddish- 

 brown with pale incisions, and the under-surface pale. 



6. Camponotus denticulatus, sp.n. 



Worker. — Length, 9 mm. Black, the antennie, mandibles, and adjacent part 

 of the face, as well as the thorax and legs, more or less ferruginous ; head, body 



