386 REPORT OF NEW JERSEY STATE MUSEUM. 



over basal portions like all other legs. Post-abdomen slender, or 

 rather narrow in male, and folds on abdomen about two-thirds 

 of space to mouth-parts. Color in life nearly uniform muddy- 

 brown with slight olive tint. Length of carapace 130 mm., 

 width 108 mm. 



Remarks. — Similar in many ways to the next species, and 

 with much the same habits. It ranges from Cape Cod to Florida. 

 Characteristic or distinctive marks, as pointed out in the pre- 

 ceding key, are the row of but six median spines down the 

 carapace. In New Jersey it has been recorded from Barnegat, 

 Ocean City, Great Egg Harbor and Beesley's Point. It is essen- 

 tially a species of muddy shores. Mr. Witmer Stone found it at 

 Point Pleasant. I have found it at Cape May and Ocean City, 

 and not so frequent as the next species. 



Libinia emarginata Leach. 



Plate 115. 



Spider Crab. 



Libinia emarginata Leach, Zool. MiscelL, II, 1815, p. 130, PI. 108. No 

 locality. 



S. I. Smith, Trans. Conn. Acad., V, 1879, p. 45. Maine to Key West. 



■ • Kingsley, Proc. Acad. Nat. Sci. Phila., 1879, P- 386. Northampton 



Co., Va. 



R. Rathbun, Rep. Fisher. Ind. U. S., I, 1884, p. 778. Maine to Mexico. 



M. J. Rathbun, Proc. U. S. Nat. Mus., XV, 1892, p. 235, PI. 31, fig. 2. 



Fort Pond Bay and Fire Island Beach, Long Island; Chesapeake Bay 

 and Hampton Roads, Va. 



Stebbing, Hist. Recent Crust. (Int. Sci. Series LXXIV), 1893, p. 120. 



Long Island Sound (on M. J. Rathbun). 



M. J. Rathbun, Amer. Nat., XXXIV, 1900, p. 513, fig. 10. Cape Cod 



to Florida. 



— M. J. Rathbun, Occas. Papers Boston Soc. N. Hist., VII, 1905, p. 12. 



Maine and southward. 



Paulmier, 58th An. Rep. N. Y. State Mus., IV, 1904 (1905), p. 145, 



fig. 14. (New York City.) 



Mayer, Sea Shore Life, 1906, p. 109. Maine to Mexico. 



Libinia canalicnlata Say, Journ. Acad. Nat. Sci. Phila., I, pt. i, 181 7, p. 77, PI. 



4, fig. I. Inhabits bays and inlets of the coast. 

 ■ Milne-Edwards, Hist. Nat. Crust., I, 1834, p. 300. Coasts of U. S. 



