21 4 



ANTS. 



masses of earth which are sometimes built up around the stems of 

 herbaceous plants by certain European species of Lasius, Mynnica and 

 by Tapiiionui crniticiun. I have seen similar nests fashioned by Myr- 

 inica canadcnsis in the bogs of New England. 



Although a few ants in temperate regions are able to make carton 

 nests, tin- majority of carton-builders are found in the tropics and it is 



FIG. 120. Carton nest of Azteca trigona on branch of Cccropin adenopus ; 

 Santa Catharina, Brazil, }+ natural size. From a specimen in the American Museum 

 of Natural History. (Original.) 



only in these regions, as I have said, that the nests are suspended from 

 trees. In Europe Lasius fnliginosns and Liometopum micro cephalum 

 construct carton nests in hollow logs, and in the \Yestern and South- 

 western States Lioiiietopnin apiculatum and Cremastogaster lineolata 

 (Fig. no) make similar nests under stones. In the tropics suspended 

 carton nests are built by ants belonging to the genera Camponotus, 



