THE CRUSTACEA OF NEW JERSEY. 247 



Leidya distorta (Leidy). 

 Plate 76. 



Cepon distortus Leidy. Jonrn. Acad. Nat. Sci- Phila., (2) III, 1855, p. 150, 

 PI. II, figs. 26-32. Atlantic City, Nczv 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., H, 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, Meni. 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. 559-560. 



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. Month minute, at summit of a trilobate papilla. 

 Antennae very small and indistinct. Divisions of thorax pos- 

 teriorly strongly costate. Feet in seven pairs, curved forward 

 and downward, endino- in a short recurved abortive booklet. 



o 



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 subrotund. Internal antennae 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- 

 pressed, 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( iidages. and, except 



