PLATE IV 



1 and 2, The Spanisli L'opn.s, male an J female. 



3. The pair jointly kneading the big Joaf, which, divided into egg- 



shaped pills, will furnish provisions for e:ich grub of the brood. 



4. The mother alone in her burrow: five pills are already finished; 



a sixth is in process of construction. 



