ON SOME AUSTRALIAN TERMITES. 



383 



Head about as long as wide, widest at the eyes, hair}'. Eyes small, not pro- 

 jecting, pigmented in centre. Ocelli roundish, w^ell separated from the eyes. Fon- 

 tanelle a large globular protuberance. Anteclypeus half as long as postclypeus, 

 nearly truncate in front, sometimes concealed ; postclypeus convex, depressed in 

 the middle line, hairy. Labrum swelling out on the sides, bluntly rounded in front, 

 not covering apical teeth. Antennae 15-, rarely 16- or 17-jointed, very variable. 



Prothorax as wide as head, shaped as in imago, clothed with red hairs. Wing- 

 pads short, hind pair not reaching beyond middle of first tergite. 



Measurements: Total length, 9-5-10; head, with mandibles, 1-32 long, 1-12 

 wide ; abdomen, 2-8-3 wide. 



Soldier. — Head ochraceous ; mandibles pale ferruginous, a little paler at the 

 base ; antennae ochraceous with pale segmentations ; clypcus and labrum stramineous 

 with ochraceous blotches, remainder of insect stramineous. 



Fig. 18. Hamitermes perplexiis, 



sp. n., head and prothorax of 



soldier. 



Fig. 19. Hamitermes germanns, 

 Hill, head of soldier. 



Head (fig. 18) longer than wide, slightly curved on the sides, a bright ferruginoys 

 spot on either end of the clypeus. Labrum large, rounded on the sides, rounded 

 in front, not reaching the mandibular teeth. Clypeus wider than long, convex, 

 emarginate in front, divided in the median line by a deep cleft which extends into 

 the head. Mandibles long and moderately slender, falciform, with a sharp backwardly 

 directed tooth about the middle similar to that of H. germanus, Hill (fig. 19). 

 Antennae 15-jointed ; 1st joint twice as long as 2nd; 3rd half as long as 2nd, 

 smahest ; 4th and 5th nearly equal in length ; 6th and 7th longer than 5th. 



Prothorax (fig. 18) saddle-shaped, rounded and bent up in front, antero-lateral 

 margin rounded, posterior margin rounded, slightly emarginate in the middle. 

 Legs rather short and stout ; tibial spurs, 3:2:2. 



Abdomen with scattered, rather short, and a few long j^ellow hairs. Cerci with 

 base short and moderately broad, apex elongate, sides nearly straight to near the 

 pointed tip. 



