EXPLANATION OF PLATE II. 
FIGURE 5.—Hippa talpoida Say, (p. 548;) dorsal view, enlarged about two diameters. 
6.—Pandalus annulicornis Leach, (p. 550;) dorsal view, shghtly reduced in 
size. 
7.—Gebia affinis Say, (p. 549;) female; lateral view, slightly enlarged. 
&.—Callianassa Stimpsoni Smith, (p. 549;) larger cheliped; outside, natural 
size. 
9.—Palemonetes vulgaris Stimpson, (p. 550;) male; lateral view, enlarged one 
and one-half diameters. 
(All the figures were drawn by J. H. Emerton.) 
