THE CRUSTACEA OE NEW JERSEY. 279 



Body suboval, more or less twisted. Head most always 

 deeply immersed in first thoracic segment, not produced pos- 

 teriorly in three lobes. Thoracic segments either equal in length, 

 or first one abruptly longer and last one abruptly shorter than 

 others. Anterior edge of first thoracic segment not trisinuate, 

 widely sinuated in middle and more or less sinuated or incised 

 at antero-lateral angles. Abdomen very little or scarcely im- 

 mersed, continuous with thorax, not broader than latter. First 

 pair of antennne widely separated at base, rather compressed, 

 not dilated. 



Though only one species has been positively recorded from 

 our limits, Lk'oneca redinaiiuii Leach mav also occur, as it 

 ranges from New York to Brazil. 



Livoneca ovalis (Say). 



Plate 85. 



Cymothoa ovalis Say, Journ. Acad. Nat. Sci. Phila., I, 1818, p. 304. Within 

 the mouths of salt-water fish in our markets. 



De Kay, N. Y. Fauna, Crust., VI, 1844, p. 48. (New York, in mouth 



of Tautoga and Harpe rufa.) 



Lironeca ovalis White, Cat. Crust. Brit. Mus., XXV, 1847, p. log. North 



America (Say's material). 

 Livoneca ovalis Verrill, Rep. U. S. F. Com., I, 1871-72 (1873), p. (457) 459. 



(Southern New England.) 



Harger, Rep. U. S. F. Com., I, 1871-72 (1873), p. 572, PL 6, fig. 29. 



(Vineyard Sound, etc.) 



■ Uhler, Ches. Z. Lab. J. Hopkins Univ., I, 1878, p. 27. (Fort Wool, 



Virginia, from Croaker.) 

 — — — Harger, Proc. U. S. Nat. Mus., II, 1879, p. 162. Cape Cod, southward. 



Harger, Rep. U. S. F. Com.. VI, 1878 (1880), pp. 395, 434. PL n, 



fig. 67. (Norfolk, Virginia and Long Island Sound.) 



Leidy, Proc. Acad. Nat. Sci. Phila., 1888. p. 2>?i3- Beach Haven, New 



Jersey. 



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



352 (reference). 



H. Richardson. .\mer. Nat.. XXXI\", 1900, p. 222. Cape Cod to North 



Carolina. 



H. Richardson, Proc. U. S. Nat. Mus., XXIII, 1901, p. 531. (Long 



Island Sound, New York, Patapsco River, and Massachusetts to Florida.) 



Paulmier, 58th Rep. N. Y. State Mus., IV, 1904 (1906), p. 173, fig. 



44. (New York City.) 



