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PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 88 



The males of piperatus in the Museum are similar to Mueller's figure 

 of favescens and to specimens of the latter collected by mj^self in 

 Florida. The distribution extends from Nova Scotia to Florida. 

 They have been found on Ainia calva and Leptops oUvaHs at Fair- 

 port, Iowa ; free swimming in the Schubenacadie River, Nova Scotia ; 

 on HypenteliuTn nigricans from the Ohio River at Marietta ; on Huro 

 salinoides in the Myakka River and Amia calva in Lake Okeechobee, 

 Fla., and on Ameiurus nehulosus and Huro salmaides at "VVelaka, Fla. 



Additional Florida hosts reported by Dr. R. V. Bangham include : 



Figure 27. — Argulus melanostictus: a, Ribs of suction cups ; b, respiratory areas. 



Chub sucker (Erimyson sucetta sucetta) at El Jobean ; stump knocker 

 {Eupom>otis microlophus) at Naples, Englewood, and Lake Okeecho- 

 bee; gold-spotted killifish {Fundulus sp.) at El Jobean; yellow bull- 

 head {Ameiurus natalis), Myakka River; Amia calva at Joshua; 

 marbled bullhead {Ameiurus sp.) from Lake Okeechobee and Engle- 

 wood; largemouth black bass {Huro floridana) at Naples and Engle- 

 wood; channel catfish {Ictalurus punctatus)^ Lake Okeechobee; and 

 warmouth bass {Chaenwhryttus gidosus) from a roadside ditch at 

 Englewood. The list of hosts and the area of distribution are there- 

 fore very imposing. 



