Described Species of Fresh Wdter Crustacea. 833 

 II. Tachidius. 



1, T. FONTicoLA Chambers. Jour. Cincinnati Soc. Nat. 

 Hist, iv, 47 (1881). 



Hah. — Kentucky (Chambers). 



FAMILY^ ERGASILIDiE. 

 I. Ergasilus Nordm. 



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

 243 (1882). 



Hah. — Canada; on various Crnlmrchida- {Wrighl). 



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

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



Hah. — Louisiana; parasitic on FunduluR fnahratns {Kroyer). 



FAMILY CALIGID^, 



I. LEPEOPHTHEIRUS Nordm. 



1. L. SALMONis Kroyer. Naturhistorisk Tidsskrift, ii. 137, 

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

 662. 



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



FAMILY ARGULID.E. 



I. ArgULUS Mull. 



1. A. ALOS.^ Gould. Invert. Mass., 340 (1841). 

 Hah. — Massachusetts; parasitic on aXew'ile {Gould). 



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

 1st series, xxx, 388 {l^m).^Si}iith. Rep. U. S. Fish Com. for 

 1872-73, 662. 



Hah. — (/onnecticnt ; parasitic on CaloAlonma up. (Dana). 



