384 REPORT OF NEW JERSEY STATE MUSEUM. 

 Key to the species. 



a. Median spines six. dubia. 



aa. Median spines nine. emarginata, 



Libinia dubia Milne-Edwards. 



Plate 114. 



Spider Crab. 



Libinia dubia Milne-Edwards, Hist. Nat. Crust., I, 1834, p. 300, PI. 14, bis 

 fig. 2. Coasts of United States. 



Gibbes, Proc. Acad. Nat. Sci. Phila., 1850 (March), p. 22 (name 



only). 



Gibbes, Proc. Amer. Assoc. Adv. Sci., Ill, 1850 (1851), p. 169. Massa- 

 chusetts to South Carolina. 



Streets, Proc. Acad. Nat. Sci. Phila., 1870, p. 104. Delaware Bay and 



Long Island. 



— Verrill, Rep. U. S. F. Com., I, 1871-72 (1873), p. 368 (on muddy 



shores). 



S. I. Smith, Rep. U. S. F. Com., I, 1871-72 (1873), p. 548. Cape Cod 



to Florida. 



■ — Kingsley, Proc. Acad. Nat. Sci. Phila., 1878, p. 316. Long Island to 



Florida. 



Kingsley, 1. c, 1879, P- 386. Northampton Co., Va. 



— — A. Milne-Edwards, Miss. Sci. Mex. Crust., V, 1875, p. 129, PI. 18, 

 fig. 5. Near New York. 



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



Mexico. 



Miers, Rep. Voy. Challenger, Crust., XVII, 1886, p. 72. East Coast 



of U. S. 



M. J. Rathbun, Proc. U. S. Nat. Mus., XV, 1892, p. 237, PI. 31, fig. 



I. Fire Island and Patchogue, Long Island; Barnegat, Ocean City, 

 Great Egg Harbor and Beesley's Point, New Jersey; Crisfield, Maryland; 

 Willoughby's Point, Hungers Wharf, Hampton Roads, Norfolk and 

 Cape Henry, Va. 



M. J. Rathbun, Amer. Nat, XXXIV, igoo, p. 513. Cape Cod to Gulf 



of Mexico. 



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



12. Cape Cod southward. 



>— Paulmier, s8th An. Rep. N. Y. State Mus., IV, 1904 (1905), p. 145. 



(New York City.) 



Mayer, Sea Shore Life, 1906, p. 109, fig. 77. Cape Cod to Gulf of 



Mexico. 



Libinia canaliculata (nee Say) De Kay, N. Y. Fauna, Crust., VI, 1844, P- 2 

 (part). 



