416 



PETRIFACTIONS AND THEIR TEACHINGS. CHAP. V. 



15. Pedestal in the centre of the room. The skeleton of 

 the extinct gigantic Elk of Ireland (Cervus megaceros). This 

 specimen is seven feet high to the top of the forehead, and 

 eight feet long the distance from tip to tip of the antlers is 

 nine feet. 



* # * To facilitate reference I subjoin a list of the families 

 and tribes of Fossil Fishes as they are inscribed on the Wall- 

 cases over the respective numbers. 



LIST OF FAMILIES AND TRIBES OF FOSSIL FISHES IN ROOM V. 



The letters refer to the Plan, ante, p. 410 : the numbers to the divisions 

 in the Cases. 





A. 



GANOID ORDER. 



3. 



4. 



Cephalaspidians. 

 Lepidoids : homocercal 



and heterocercal. 

 Lepidoids (Tetragonole- 



pis, Dapedius). 

 f Acanthoidians. 

 \Lepidoids. 

 /Dipterians. 

 ' \Lepidoids. 



B. 



6. Lepidoids. 



7. Sauroids. 



8. 9, 10. Sauroids. 

 11, 12. Caelaeanths. 



13. T Ccelacanths (Holopty- 



14. \ chius Macropoma). 



