Fig. 12.—Ctenoid scale of Scatophagus multifasciatus (magn.)

Fig. 13.—Ctenoid scale of Platycephalus cirrhonasus (magn.)

Fig. 14.—Ctenoid scale of Gobius ommaturus (magn.)

Fig. 15.—Ctenoid scale of Lethrinus (magn.)

Fig. 16. Ganoid Scales.