EXPLANATION OF PLATE XXXIV. 



Figs. 1-42. Series of dorsa'.himljar, aud caudal verteliriB of a species of Liodon, obtained by Professor 

 Mudge, one-half tbe natural size. The only hiatus is in the caudal series, where jirob- 

 ably three vertebras are wanting between Nos. 16 and 17. 

 1- 5. Dorsals, from above. 

 6-12. Lumbars, from above. 

 13-23. Candals, from above. 

 24-42. Candals, from the side, except Nos. 31-3.5, which are viewed from below. 



