THE CRUSTACEA OF NEW JERSEY. 247 



Leidya distorta (Leidy). 



Plate 76. 



Cej>on dijitortus Lcidy, Joiirn. Acad. Nat. Sci^ Phila., (2) III, 1855, p. 150, 

 PI. II, figs. 26-32. Atlantic City. Ncii.' Jersey (in branchial cavity of 

 Gelasimus pugilator) . 



Harger, Rep. U. S. F. Com., I, 1871-72 (1873), p. 573 (on Leidy). 



Harger, Proc. U. S. Nat. Mus., II, 1879, p. 157. Atlantic City, New- 

 Jersey. 



H. Richardson, Amer. Nat., XXXIV, igoo, p. 309. Cape Cod to North. 



Carolina. 

 Leidya distorta Cornalia and Panceri, Mem. R. Acad. Sci. Torino, (2) XIX,. 



1856-61 (1858), p. 114. Atlantic City, New Jersey. 

 Giard and Bonnier, Trav. Labor. Wimereux, V, 1887, p. 68. fig. 12 



(from Leidy). Atlantic City, New Jersey. 



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



p. 412 (reference). 



H. Richardson, Proc. U. S. Nat. Mus., XXIII, 1901, p. 579. Atlantic- 

 City, New Jersey. 



H. Richardson, 1. c, XXVII, 1904, p. 74. Atlantic City, N. J. 



H. Richardson, Bull. U. S. Nat. Mus., No. 54, 1905, p. 511, figs. 55^560. 



Atlantic City, N. J. 



Description of female. — Body compressed, distorted, ovoid. 

 Abdominal scales completely concealing pinkish-white ova. Head 

 prominent, provided with a pair of large oval disks situated 

 posteriorly. Mouth minute, at summit of a trilobate papilla. 

 Antennse very small and indistinct. Divisions of thorax pos- 

 teriorly strongly costate. Feet in seven pairs, curved forward 

 and downward, ending in a short recurved abortive booklet. 

 Abdomen deeplv segmented. Branchial appendages lanceolate, 

 fringed. Color white. Length about 6 mm. 



Description of male. — Body long and slender, divided into 

 fourteen segments. Head subrotiuid. Internal antenn.x short 

 and robust, three-jointed, and joints spinous. External antennae- 

 long, seven-jointed, with first two joints spinous and others bris- 

 tled. First joint of thorax transversely oblong, remainder de- 

 l)ressed. pyriform in outline. Feet in seven pairs, antepenulti- 

 mate joint spinous, and broad penultimate joint with recurved 

 claw. Abdominal segments depressed, pyriform in outline, each 

 provided with a pair of peculiar ventral app( ndages. and, except 



