Memoirs Carnegie Museum, Vol. VII. 



Plate xlvi. 



HHpMMM 



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Figs. 1, 2. Pygidium kneri (Steindachner). After Steindachner. 

 Figs. 3, 4. Pygidium amazonicum (Steindachner). After Steindachner. 

 Fig. 5. Pygidium taczanowskii (Steindachner). After the hale of Pygidium dispar 

 Tschudi, Faun. Peruana, Ichthyol., pl. Ill, lower figure. 



Figs. 6-8. Pygidium taczanowskii (Steindachner). After Steindachner. 



