PERCH. 



29 



Fig. 3. Carafes perch (Rudabborre, Perca ftuviatilis, vav. fjibba) from Lake Elgsjo in Ostergcitland, '/j of ihe natural size. 



Fig. 4. Skeleton of the Carass Perch externally figured above. 



Fig. 5. Spotted Perch (Skdlling, Perca fluviatilis, var. maculatd) from Lake Tisaren in Xerike, - j of the natural size. 



