-2- 



As the author has cjalled all segments Joints, I did likewise, fear- 

 ing to make a .wrong distinction, had I however consulted the Introduc- 

 tion I would not have heen in douht where to apply the terms segment, 

 tergite and sternite. 



'A'ith thSLhks to all for kind assistance rendered. 



Annette Henriksen 



