DECAPOD CRUSTACEANS OF THE WEST INDIES 



41 



Figure 3. — A stylized representation of the major decapod habitats on Dominica (species 

 inhabiting them are indicated by numbers; see "List of Species," p. 4): a, a river rising 

 in a mountain lake (upper right) and receiving tributaries with a steep gradient (upper 

 left), a moderate gradient (middle right), and a low gradient (lower right), with its mouth 

 opening into the sea (right of middle foreground) [insets are sections through streambeds 

 at level indicated]; b, lentic, shoreline, and terrestrial habitats with a mudflat (lower left) 

 a sandy beach, a cobble beach, and a rocky beach with partially submerged boulders 

 (below cliffs). 



