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ARKIV FÖR ZOOLOGI. BAND 12. K:0 15. 



the ground level (Plate 4, Fig, 1), (4) the very typical, sharply 

 pointed greyish nests of Hamitermes scopulus Mjöb. standing 

 here and there on the ground, like small steeples (Textfig. 

 63), (5), the small, conical, whitish-yellowish nests of Hamiter- 

 mes laurensis Mjöb. (Text Fig. 64), and finally (6) the dark 

 brittle rounded or conical nest of Mirotermes Cheeli Mjöb. 

 (Pl. 5, fig. 2). 



Photo E. Mjöberg. 

 Text Fig. 62. Nest of Hamitermes scopulus Mjöb. fr. Laura, N. Queensland. 



There has been much discussion about the so called »magne- 

 tic nest», always facing east and west with the broader sides, 

 and built like a wall with one side convex, the other one con- 

 cave. According to Jack, their shape and form is an adaptation 

 in order to secure the maximum of desiccation, the repairs 

 being made only during the wet season. My opinion 

 is that the peculiar shape and form of the nest is best 



