No. 396.]  EGG-CARRYING HABIT OF ZAITHA. 933 
inches of him and there remained immovable for half an hour. 
Suddenly she sprang towards him; but he was on the lookout 
and fought so vigorously that she was obliged to retreat. 
After this repulse she swam about carelessly for a time, as if 
searching for food was her only thought. But im ten or fifteen 
minutes she was back in her first position in front of him. 
Again there was the attack, and again the repulse. The same 
tactics were continued until midnight, when, despairing of her 
success, I left them. 
At six o’clock the next morning the entire abdomen of the 
male and half of the thorax were covered with eggs. Those 
nearest the head were quite yellow, showing that the struggle 
had just ended. 
