324 REPORT OF NEW JERSEY STATE MUSEUM. 



pair slender, and second pair of preeminent size with undivided 

 carpus. Last three pairs of legs slender and of moderate length. 

 No exopodites to any of thoracic legs. Eggs small and numer- 

 ous. 



Species rather few. 



Genus PAL/EMONETES Heller. 



Palcemonetes Heller, Zeitsch. Wissen. Zool., XIX. 1869, p. 157. Type Pala- 



mon varians Leach, monotypic. 

 Palamonopsis Stimpson, Ann. Lye. N. Hist. N. Y.. IX, November, 1871, p. 128. 



Type Palcemon I'ariaiis Leach, virtually, though not included or so desig- 

 " nated. 



Antennuhe trit^agellate. and antenna; and perjeopoda as in 

 Palcemon. Carapace with antennal and branchiostegal spines, 

 though hepatic spine wanting. Rostrum long, lamellate. Mandi- 

 bles without palp. 



Species few, living in salt or fresh water. 



Palsemonetes vulgaris (Say). 



Plate 94. 

 Prazvn. Common Shrimp. 



Palcemon I'lilgaris Say, Journ. Acad. Nat. Sci. Phila., I, pt. 2. 1818, p. 248. 



Bays and estuaries as far south as Bast Florida. 

 — White, Cat. Crust. Brit. Mus., XXV, 1847, p. 77. North American 



coast (Say's material). 

 Palemon vulgaris De Kay, N. Y. Fauna, Crust., VI, 1844, P- 29, PI, fig. 30. 



Grassy bays of the Hudson River. 

 Palccmonetes vulgaris Stimpson, Ann. Lye. N. Hist. N. Y., X, Nov., 1871, p. 



129. Massachusetts to S. C. 



Verrill, Rep. U. S. F. Com., I, 1871-72 (1873), p. 516 (in Opsanus 



tau), p. 520 (in Lophopsetta maculata), Great Egg Harbor, New Jersey. 



S. I. Smith, Rep. U. S. F. Com., I, 1871-72 (1873), p. 550, PL 2, fig. 



9. Massachusetts to South Carolina. 



^ Stimpson says, "the genus Palcemonetes was described by me in manuscript 

 about twelve years ago under the name PalcEmonopsis, but this name has 

 never been published, and I believe it to be identical with Palcemonetes of 

 Heller, recently described from a species found in the fresh-water lakes of 

 Southern Europe." 



