ERIC MJOBERG, ISOPTERA. 



25 



moderate, thighs thick, tibise slender, armed witli three strong, 

 stout, darkly coloured apical spines; abdomen with two trans- 

 versal rows of hairs, shining, rounded at the tip; cerci short, 

 but stout, styli small. 



Measurements: Length of body 8 mm, length of head 

 1,61 mm, breadth of head 1,52 mm, length of protborax 0,7 6 

 mm, breadth of protborax 1,56 mm, breadth of abdomen 

 2 mm. 



Soldier (Text Fig. 11b). Body elongate, with parallel 

 sides, diill white, head light rufous. 



Head much longer than broad, with parallel sides, cylind- 

 rical, bind angles broadly rounded, the anterior ones slightly 

 projecting, a little darker coloured, Avith three more or less 



Text Fig. 



a Javvs of soldier of Calotermes duhius Mjöb. n. sp, 

 & > » » » Calotermes trilineatus Mjöb. n. 



sp. 



distinct lighter parallel lines or the summit, impressed and 

 sloping in front and there more lightly coloured, with fine 

 punctures; the anterior part of clypeus well marked-off, 

 semi-transparent, broad and flatteired, rounded at the front 

 angles and margin and there lighter coloured with a trans- 

 versal row of erect stiff hairs, labrum longer than broad 

 clypeus, but more narrow, broader than long, broadly rounded 

 at the angles and at the apical margin, lighter coloured at 

 the sides, reaching to about the middle of the jaws; jaws 

 (Text Fig. 11b) fairly short and stout, black at the tip, rufous 

 at the base, crossing över each other with the tips, the left 

 with five rounded teeth, two above, one in and two below 

 the middle, the first and second the most protruding; 



