284 



ABRANCHIA. 



selves on the approach of winter in the mud at 

 the bottom. In the process of clearing marshy 

 ground, cleansing ponds, &c., immense numbers 

 are sometimes found thus concealed at a depth 

 of three or four feet from the surface. Dr. Har- 

 lan was informed by Major Wace, that great 

 numbers in a state of torpidity were thrown up 

 in the winter season, by persons engaged in 

 digging near a street in Pensacola. They were 

 burrowing in the soft mud, two or three feet 

 deep. 



TWO-TOED AMPHIUMA. 



