160 DORAS. 



flexures, the gut large as it approaches the vent ; 

 the gill-opening semilunar, with smooth edges for 

 the spiracles; the roe long and double; air-bag 

 double, — the first division, near the head, flat and 

 oval, the second long and pointed. They are eaten 

 by the inhabitants ; occasionally take bait, but are 

 killed in great numbers by poisoning. In the dry 

 seasons their haunts are under the roots of trees, in 

 sand-banks, where they bore holes for themselves, 

 and under rocks. This species does not much ex- 

 ceed the length of that which is represented in the 

 drawing." (About five and a quarter inches in 

 length). 



Another species and drawing does not seem re- 

 ferrible to any description to which we have access ; 

 we place it provisionally under the name of 



