List of Plates. vii 



LIII. Pianictus ttigripinnis (Cope). 



LIV. Metynnis guaporensis Eigenmann. 



LV. Metynnis roosevelti Eigenmann. 



LVI. Myloplus schomburgki (Jardinc). cf 



LVII. Myloplus schomhurgki (Jardine). 9 



LVIII. Radiograph of Serrasalmo rhombeus (Linnanis). 



LIX. Caudal vertebrae of Saiiropod Dinosaur found in serial order in 

 Carnegie quarry near Jensen, Utah. 



