HABITS OF FIDDLER CEABS PEAESE. 



BURROWS. 



417 



In excavating her burrow a female fiddler digs with the walking 

 legs of either side. After a jjiece of mud has been pried loose by 

 working under it with the legs, it is carried to the mouth of the hole 



Fig. 2.— Uca rathbunae carrying a load from her burrow. 

 Drawn by Tom Jones from a photograph. 



and deposited outside (fig. 2). The males do not use the big chela 

 in digging or in carrying dirt, but work much like the females. 

 They gouge out mud with the walking legs and usually carry it with 



Fig. 3.— Uca rathbunae. Male gouging a plug from the mud -with 



■WHICH to close his BURROW. 



Drawn by Hattie Wakeman from a photograph. 



the first three legs on the side of the body bearing the small chela. 

 Rarely they may be seen awkwardly carrying a load in the two walk- 

 ing legs just behind the great chela. 

 44863°— SM 1913 27 



