Memoirs Carnegie Museum, Vol, VI, 



Plate LXI. 



» 







■M 





.,;£:^^-' 



i'^'^" 



Fig. 1. Mesodon inacropterus (Agassiz). C. M. Cat. Foss. Fishes, No. 4456 (50 mm.). 



Fig. 2. Mesodon macropterus (Agassiz). (Counterpart) Do., No. 4456a (50 mm.). 



Fig. 3. Gyrodus frontatus Agassiz. Juv. C. M. Cat. Foss. Fishes, No. 3003 (57 mm.). Figure Reversed on Plate. 



Fig. 4. Caturus furcatus var. macrurus Agassiz. C. M. Cat. Foss. Fishes, No. 866 (155 mm.). 



Fig. 5. Caturus furcatus Agassiz. C. M. Cat. Foss. Fishes, No. 4809 (483 mm.). 



