EXPLANATION OF PLATE II. 
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Figure 5.—Hippa talpoida Say, (p. 548;) dorsal view, enlarged about two diameters. 
6.—Pandalus annulicornis Leach, (p. 550;) dorsal view, slightly reduced in 
size. 
7.—Gebia affinis Say, (p. 549;) female ; lateral view, slightly enlarged. 
8.—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 tke figures were drawn by J. H. Emerton.) 
