*— fultus, xli, 25.
*— latus, xli, 25.
*— macropterus, xli, 25.
*— ovatus, xli, 26.
*Passalodon, xxxvii, 233.
Perca nobilis, dissection of the eye of, W. C. Wallace, xxvi, 394; xxvii, 216.f
Percinæ, analogies of, with the Serraninæ, xxxix, 389.
Pileoma, genus of fish, by DeKay, identity of, with the Etheostoma of Rafinesque, xlv, 276.
Polyodon, of the Ohio, xii, 201.f
Raja erinaceus, S. L. Mitchill, ix, 290.f