Described Species of Fresh Wafer Crustacea. 333 

 II. Tachidius. 



1. T. FONTICOLA Chambers. .Tour. Cincinnati Soc. Nat. 

 Hist, iv, 47 (1881). 



Hdb. — Kentucky (Clutmbers). 



FAMILYiERGASILID^. 

 I. Ergasilus NoiiDM. 



1. E. CENTRARCHiDARUM Wright. Proc. Canadian Inst, i, 

 243 (1882). 



Hab. — Canada; on various Cenlrarchidx {Wright). 



2. E. FUNDULi Kroyer. Natnrhistorisk Tidsskrift, ii, 

 228, 238, pi. 11, fig. 1 (1863). 



Hal). — Louisiana; parasitic on Fumlulus Jiinhralx^ {Kroyer). 



FAMILY CALIGIDiE, 

 I. Lepeophtheirus Nordm. 



1. L. SALMONis Kroj^er. Natnrhistorisk Tidsskrift, ii. 137, 

 pi. 17, fig. 1 {im?>).—Swit]i. Rep. U.S. Fish Com. for 1882-83, 

 662. 



Hah. — Eastern U.S.; parasitic on the salmon. 



FAMILY ARGULID^. 



I. Argulus Mull. 



1. A. ALOsiE Gould. Invert. Mass., 340 (1841). 

 Hah. — Massachusetts; parasitic on alewife (GouM). 



2. A. CATOSTOMi Dana and Herrick. Araer. Jour. Science, 

 1st series, xxx, 388 (1836).— 5;^^/^/^ Rep. U.S. Fish Com. for 

 1872-73, 662. 



Hah. — llJonnecticut ; parasitic on Calostomw^ sp. (Dana). 



