ON SOME AUSTRALIAN TEKMITES. 



397 



in 17-ioint(xl antennae tlie segmentation is as described in the imago. Gula (see 

 dotted line in fig. 29) Jong and narrow, narrowest in the middle, e.xpanded at the 

 anterior fifth to twice the width at middle, anterior extremity shghtlv wider than 

 middle. 



Prothorax (fig. 29) a httle narrower than head, as wide as metathorax, rounded 

 and deeply emarginate in front, rounded antero-laterally, sides narrowed to the 

 rounded and emarginate posterior margin. Meso- and metathorax rounded on the 

 sides and behind, hind margin slightly emarginate. Legs short and stout, hind 

 femora very stout ; tibial spurs, 3:2:2. 



Abdomen broad, a little wider in the middle than at the base. Stvli very lon^ 

 and slender, apparently always present. Cerci long and slender. " '^ 



Fig. 29. Leucotermes 



clarki, sp. n., head of 



soldier. 



Measurements : Total length, about 6 ; head and mandibles, 2 -92-3 -25 • head 

 without mandibles, 1- 65-2-1 ; mandibles from base, 1-4; head, 1-08-1 -22 wide! 

 1-03 deep; head, base to fontanelle, 1-17; antennae, 1-7; thorax and abdomen' 

 3-3 -25 long; prothorax, 0-6-0 -66 long, 0-84-0-98 wide ; tibia (i) 0-7-0-8 fii) O-ei- 

 O-eS, (iii) 0-98-1-03; abdomen, 0-94 wide. 



IFor^^r.— Head and thorax pale yellow, a large ferruginous spot at either end of 

 postclypeus, rest of insect whitish. Head and body sparsely clothed with reddish 

 hairs. 



Head rounded behind, widest across the middle. Anteclypeus small, whitish 

 with a yellow mark on either .side, one-third as long as postclypeus, rounded in front. 

 Postclypeus large, convex, a little more than twice "as long as wide. Antennae 

 14- or 15-jointed. 



Prothorax rounded, bent up in front and slightly emarginate, sides narrowed to 

 the posterior margin. Legs short and stout, third femora not greatly enlarged • 

 tibial spurs, 3:2:2. b j & . 



Western Australia : Swan River, Dwellingup, Ludlow (/. Clark). 

 Type series in author's collection ; co-types in Mr. J. Clark's collection. 

 (5296) 2 G 2 



