PLATE III. 



Fig. 13. — Manuring the fungus garden. Instantaneous photograph taken in a 

 plaster breeding case after the method of Janet, adapted for use with Atta by 

 Goeldi and Huber. Nat. size. 



Fig. 14.^ — Same. Nat. size. 



Fig. 15. — The mother ant at her toilet. Nat. size. 



Fig. 16. — Kohlrabi growths ; the fungus threads have been somewhat sepa- 

 rated. Magnified l.jO times. 



Fig. 17. — Process of licliing fungus garden by the mother ant. Instantaneous 

 photograph in the Goeldi breeding case. Nat. size. 



Fig. 18. — ^Egg laying. Nat. size. 



Fig. 19. — The same. Nat. size. 



370 



