THE CRUSTACEA OF NEW JERSEY. 475 



Order COPEPODA. 

 Sub-Order EUCOPEPODA. 



Tribe GymnoplEa. 



Family LERN^OPODID.^. 



Genus NAOBRANCHIA Hesse. 



Naobranchia pomolobi Fowler. 



Genus ACHTHERES Nordmann. 



Achtheres Nordmann, Mikrog. Beitr., 1832, p. 63. Type Achthercs percanim 

 Nordmann, monotypic. 



Achtheres lacse Kroyer. 



Achtheres laccc (Kollar) Kroyer, Naturh. Tidssk., (3) II, 1863, pp. 34^, 349. 



PI. 17, fig. 6. North America (in "Perca laca" possibly identical with 



fStisostedion vitreiim). 

 . Underwood, Bull. 111. Lab. N. Hist., II, October, 1886, p. 335- North 



America. 



Middle Atlantic States (included as possibly occurs on 

 Sticostcdion vitreiun, likely the intended host?). 



Family CHONDRACANTHID.E. 



Genus CHONDRACANTHUS Delaroche. 



Choiidracanthus Delaroche, Bull. Soc. Philomath. Paris, 181 1, p. 270. Type 



Choiidracanthus zei Delaroche, monotypic. 

 Entomoda Lamarck, An. San. Verteb., Ill, 1818. p. 68. Type Leriicra cor- 



nuta Miiller, second species. 

 Anops Oken, Lehrbuch Naturg.. I, 1815. p. 358. Type Aiiops radiatus Oken, 



monotypic. 



Chondracanthus cottunculi R. Rathbun. 



Choiidracanthus cottunculi R. Rathbun, Proc. U. S. Nat. Mus., IX, 1886, p. 

 322, PI. II, figs. 1-7. Off Georges Bank, off Martha's I'iucyard and South 

 of Block Island (on Cottunculus torvus, C. niircrops and sp.) 



Gulf Stream. 



