168 The University Science Bulletin. 



PLATE XIII. 



Gelastocoru oculatus Fabr. 



Fig. 1. Adult bug (not oculatus, but an undescribed species in western 

 Kansas) upon sand, showing how its mottled pattern makes it difficult to 

 discern. 



Fig. 2. Ventral view of above species of bug. Enlarged photograph show- 

 ing the bug clasping three lace bugs. 



Fig. 3. First-instar nymph, Gelastocoris oculatus Fabr. Enlarged dorsal 

 view, same species showTi in figures 1 and 2. 



Fig. 4. Another toad bug. Enlarged ventral view, showing bug with prey. 



Fig. 5. First-instar nymi)h, Gelastocorifi oculat^is Fabr., ventral view. 



Fig. 6" Microphotograj)!! of egg and first-instar nym])h. Nymph in center 

 of picture and the white oval egg to the right of it. The egg resembles the 

 sand grains very closely. 



