65 



Dana, Palcemonetes Heller, Urocaris Stimpson, and Typ- 

 ton Costa ; genera which have the second pair of thoracic 

 feet larger than the first, the carpus never annulate and 

 the mandible without a palpus. 



Genus PONTONIA. Latreille. 



82. Pontonia domestica Gibbes, Proc. Am. Assoc. Adv. Sci., 

 1851, iii, p. 196. Kingsley, Proc. Acad. Nat. Sci., Philadelphia, 1878, 

 p. 95. 



South Carolina, Florida. 



83. Pontonia margarita Smith, American Naturalist, 1869, iii, 

 p. 245. 



Panama. 



Genus ANCHISTIA Dana. 



84. Anchistia americana Kingsleij, Proc. Acad. Nat. Sciences, 

 Philadelphia, 1878, p. 96. 



Florida. 



Genus UROCARIS Stimpson. 



85. Urocaris longicaudata Stimpson, Proc. Acad. Nat. Sci., 

 Philadelphia, 1860, p. 39. 



Carolina. 



Genus PAL^MONETES Heller. 



86. Palsemonetes vulgaris Stimpson, Annals N. Y. Lyceum, 

 1871, x, p. 129. Smith, U. S. Fish Comm., 1871-2, p. 550, pi. II, f. 9. 

 Palcemon vulgaris Say, Jour. Acad. Nat. Sci., Philadelphia, 1818, i, p. 

 248. 



Massachusetts Bay to Florida. 



87. Palsemonetes carolinus Stimpson, Annals. N. Y. Lyceum, 

 1871, x, p. 129. 



New Jersey to South Carolina. 



88. Palsemonetes paludosa Kingsley, Proc. Acad. Nat. Sci., 

 Philadelphia, 1878, p. 97. Eippolyte paludosa Gibbes, Proc. A. A. A. 

 S., 1851, iii, p. 197. Palcemonetes exilipes Stimpson, Ann. N. Y. Lye, 

 1871, x, p. 130. Smith, Rep. U. S. Pish Comm., 1872-3, p. 641, pi. I, 

 f. 1. 



