BY R. ETHERIDGE, JUN. 413 



of the lower jaw of the first, and general fragments of the skeleton 

 of the second. Under these circumstances, as I am unable to 

 make as minute comparisons as should be done, a distinctive name 

 is not applied to the fossils now under consideration. 



Locality and Horizon. — Walsh Eiver, North Queensland; 

 "Rolling Downs Formation " (G. de Vis, Esq.) 



EXPLANATION OF PLATE. 



Fig. 1. General view of the bones, showing lateral aspect of the best- 

 preserved vertebra and portions of ribs. 

 Fig. 2. Anterior view of same vertebra. 



