2 IO 



ANTS. 



FIG. 116. Gall of Holcaspis cinerosus on live oak, showing soldier of Colobopsis 

 etiolata closing the round hole in the gall with its head. (Original.) 



same manner. The same habit is also seen in other ants, for example in 

 Camponotus sc.r^uttatus of the American tropics. Fig. 114 shows the 

 ends of a couple of twigs of the sea-grape (Coccohba in'ifcra') which 

 I found at San Juan, Porto Rico. They have been plugged with 



