THE CRUSTACEA OF NEW JERSEY. 469 



Genus CHYDORUS Leach. 

 Chydorus sphaericus (Miiller). 

 Chydorus bicornutus Doolittle. 



FauUly LEPTODORID.^. 



Genus LEPTODORA Lilljeborg. 



Leptodora Lilljeborg, Ofvers. Vet. Ak. Forhandl, XVII, i860, p. 265. Type 

 Leptodora liyaliiia Lilljeborg, monotypic. 



Leptodora hyalina Lilljeborg. 



Leptodora hyalina Lilljeborg, 1. c, PI. 7, figs. 1-22. Ostergothland and 

 Rmgsjoii, Su'edcn. 



— ■ Fellows, Proc. Amer. Soc. Micros., IX, 1886, p. 176. Lake Chautau- 

 qua, N. Y. 



Fellows, 1. c., X, 1887, p. 248 (same record). 



New York (Lake Chautauqua). 



Family DAPHNID.E. 



Genus DAPHNE Miiller. 

 Daphne pulex (Linnaeus). 



Daphnia. 



Daphne kerusses (Cox). 



Daphnia kerusses Cox, Amer. Month. Micros. Journ., IV, 1883, p. 88, fig. 17. 



Fox River, Appleton, Wisconsin. 

 Kellicott, Proc. Amer. Soc. Micros., 1884, p. 129. Creek at Hamburg, 



New York. 

 ■ Underwood, Bull. 111. Lab. N. Hist., II, October, 1886, p. 342. New 



York. 

 New York (Hamburg). 



Daphne kahlbergiensis (Schoedler). 



Hyalodaphnia kahlbergiensis Schoedler, Arch. Naturg., XXII, I, 1866, p. 18, 



PI. I, figs. 1-3. Ostseebade Kahlberg. 

 Daphnia ccdcrstromii Fellows, Proc. Amer. Soc. Micros., IX, 1886, p. 176. 



Lake Chautauqua, N. Y. 

 Fellows, 1. c. X, 1887, p. 249 (same record). 



New York (Lake Chautauqua). 



Genus SIM OS A Norman. 



Simosa Norman, Ann. Mag. N. Hist. London, (7) II, 1903, p. 367. Type 

 Daphne vctitla Miiller, virtually, as name proposed to replace Simoce- 

 phaliis. 



