Bald 



A treeless area in a forest vegetation, especially in the 

 southern Appalachians, occupied by grasses or shrubs usually. 



Banados 



Shallow swamps in Paraguay. 



Bancroft's Law 



A generalization that organisms and communities tend 

 to come into a state of Dynamic equilibrium (q. v.) with 

 their environment. 



Band 



A general term for a social group of two or more mobile 

 animals of the same species, e.g., a herd of deer, pack of 

 wolves. 



Bank Storage 



Water absorbed by the bed and banks of a stream and 

 returned in whole or in part after the Ground-water level 

 falls. 



Bar 



(1) A deposit of sand or rock particles forming a ridge 

 along the coast, usually at the mouth of a stream or across 

 a bay. (2) A unit of atmospheric pressure equivalent to 29.53 

 inches (750.1 mm) of mercury at 32 F. in latitude 45. 



Barachore 



A species in which the seed, fruit, or other Propagule is 

 disseminated largely by its own weight, e.g., walnut fruit, 

 cf. Autochore, Diaspore. 



Barchan 



A distinctive isolated sand dune which is crescent-shaped 

 with the ends projecting leeward, common in Turkestan. 



Bark 



A general term for all the tissues outside of the cambium 

 in stems of trees; outer part may be dead, inner part is living. 



42 



