As of to-day the instalments I - VI of this essay on this blog are accompanied by summaries in English. The summaries of I and II are printed at the end of instalment II; all others at the end of the appropriate instalments.
I Lateral display; 4 January 2013
II Courtship; 16 March 2013
III. 'Tederheid' and 'teder' behaviour (tenderness); 19 March 2013
IV. Hedonic and Agonic; 28 March 2013
V. The cognition of Congener; 19 April 2013
VI. Tension and Symmetry; 25 April 2013
VII. Literature Cited; 29 April 2013