CRUSTACEA. 
137 
Fam. Verrucid.Ee. 
Genus Verruca, Schumacher. 
Verruca Stromii , 0. F. Muller; Darw. Mon. p. 518, pi. 21. f. 1. 
Abundant on rocks and stones between tide-marks in the 
laminarian region, and on crabs in the coralline. 
Order Copepoda. 
Suborder GNATHOSTOMATA. 
Genus Notodelphys, Allman. 
Notodelphys ascidicola , Allman. 
Common in Ascidia intestinalis and others. 
Suborder PARASITA. 
Genu3 Caligus, 0. F. Muller. 
Galigus rapax , M.-Edwards. 
Common on cod. Many specimens have Udonella caiigorum 
attached to them. Free specimens often occur in rock-pools. 
Genus Lepeophtheirus, Nordm. 
Lepeophtlieirus salmonis , Kroyer. 
Abundant on the salmon. 
Genus Cecrops, Leach. 
Geer ops Latreillii , Leach. 
Common on the gills of the sunfish (Orthagoriscus mold). 
Genus Anchorella, Cuvier. 
Anchorella uncinata , O. F. Muller. 
Abundant on the gills of cod and haddock. 
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