THE CRUSTACEA OF NEW JERSEY. 75 



minal claw, which one and three-eig'hths times length of su1> 

 terminal one. Dorsal set^e one-half lengih of tenminal one and 

 width of furca from sub-terminal claw. Length 1.60 mm.; 

 height 0.80 mm. ; breadth 0.82 mm. Passaic, New Jersey. 



(Sharpe.) 

 Known only from the above account. 



Genus CYPRIS Miiller. 



Cypris Miiller, Zool. Dan. Prodrom., 1776, p. 198. Type Cypris pubera 



Miiller, second species, designated by Norman and Brady, Trans. Roy. 



Dublin Soc, (2) IV, 1889, p. 125. 

 Cyprinotus Brady, Journ. Linn. Soc. London, XIX, 1885 (1886), p. 30 r. Type 



Cyprinotus cingoalensis Brady, monotypic. 

 Heterocypris Clans, Arb. Z. Inst. Wien, X, 1893, p. (7) 153. Type Cypris 



incongruens Ramdohr, monolypic. 

 Amphicypris G. O. Sars, Arch. Math. Naturvid., XXIV, No. i, 1901, p. 29. 



(Not consulted.) 



Natatory setae reaching tips of temiinal claws or somewhat 

 beyond. Second antennae five-jointed in both male and female. 

 Branchial plate of six plumose setae. Terminal segment of sec- 

 ond foot beak-shaped, with toothed hooked-shaped claw. Furca 

 nonnal, with two claws and two setae. Propagation sexual or 

 asexual. Ductus, when present, of numerous chitinous spines 

 thickly crowded over entire surface of cylinder and usually not 

 in wreaths. 



Though many species have been described, as now restricted, 

 this genus embraces but one from our limits. 



Cypris reticulata Zaddach. 

 Pr.ATE 16. 



Cypris reticulata Zaddach, Synop. Crust. Pruss. Prodrom., 1844, P- 34- (Prus- 

 sia) "prope Regimiontum." 



Sharpe, Proc. U. S. Nat. Mus., XXXV, 1909, p. 400. Catskill Mts., 



New York. New Jersey. 



Description. — Viewed from side shell much broadest in front, 

 highest at anterior third where a small gibbous elevation and 

 below which the eye-spot. Dorsal edge slopes rapidly back to 



