TLATE IV. 



Fig. 20. — Feeding a larva, a. h, c, successive stages of tlie process. Reduced 

 drawing from a micro-photograph. Magnified about 10 times. 



Fig. 21. — Mother aut upon the nest, at the time of appearance of the first 

 worlvers. 



Fig. 22. Fungus garden after the appearance of the first worliers. Along the 

 border drops of excreta the mother ant and several small workers can be seen. 

 Magnified o times. 



371 



