254 REPORT OF NEW JERSEY STATE MUSEUM. 



with rvidimentary flagelknii. Maxillipeds with palp of three 

 articles. Epimera of all segments of thorax firmly and perfectly 

 united with segments. Abdomen formed of single segment, with 

 lateral incisions or suture lines at base, indicating another partly 

 coalesced segment. All legs prehensile, alike, sixth article or 

 propodus not expanded or but little expanded. 



Edotia triloba (Say). 



Plate 78. 



Idotea triloba Say, Journ. Acad. Nat. Sci. Phila., I, 1818, p. 425. Bgg 



Harbor, New Jersey. 



■ De Kay, N. Y. Fauna, Crust., VI, 1844, P- 43 (o" Say). 



■ Leidy, Journ. Acad. Nat. Sci. Phila., (2) III, 1855, p. 150. Great 



Egg Harbor, New Jersey. 

 J(Bra triloba White, Cat. Crust. Brit. Mus., XXV, 1847, p. 97. Egg Harbor, 



New Jersey (Say's material). 

 Epelys trilobus Verrill, Rep. U. S. F. Com., I, 1871-72 (1873), p. 370 (habits). 

 • Harger, Rep. U. S. F. Com., I, 1871-72 (1873), p. 571, PI. 6, fig. 28. 



Great Egg Harbor, N. J. to Vineyard Sound. 

 Harger, Proc. U. S. Nat. Mus., II, 1879, p. 160. Rare north of Cape 



Cod. 

 Harger, Rep. U. S. F. Com., VI, 1878 (1880), pp. 358, 434, PI- 7, figs. 



42-43. Great Egg Harbor, N. J. (New England.) 

 Edotia triloba M'iers, Journ. Linn. Soc. London, XVI, 1883, P- 70- Egg 

 Harbor, New Jersey (Say's example). 



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



374 (reference). 



Bdotea triolba H. Richardson, Amer. Nat., XXXIV. 1900, p. 228. Cape Cod 



to North Carolina. 

 H. Richardson, Proc. U. S. Nat. Mus., XXIII, 1901, p. 545. Egg 



Harbor, New Jersey. (New England.) 



Paulmier, sSth Rep. N. Y. State Mus., IV, 1904, p. 177, fig. 49. (East- 

 ern shore of Staten Island.) 



' H. Richardson, Bull. U. S. Nat. Mus., No. 54, 1905, p. 396, figs. 441- 



442. Egg Harbor, N. J. (Eastern shore of Staten Island, and Maine to 

 Connecticut.) 



M. J. Rathbun, Occas. Papers Boston Soc. N. Hist., VII, 1905, p. 42. 



(New England.) 



Description. — Body ovate, and length little over twice width. 

 Abdomen with length a little over two and one-half times total 

 body length. Head produced in front medianly, with conspic- 

 uous tubercle each side of median line close tosfether on anterior 



