EXPLANATION OF PLATE 11. 



Figure 5.— Hippa talpoitla 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.— Palsemonetes vulgaris Stimpson, (p. 550;) male; lateral view, enlarged one 



and one-half diameters. , 



(All tie iignres -were dra-wn by J. H. Emeiton.) 



