Explanation of Plate XXIV. 



Prionotropis woolgari— Meek. (Mus. No. P 5931.) 

 Fig 1. Side view of specimen. 

 Fig. 2. View of suture. 

 Fig. 3. Side view of young specimen. 

 Figs. 4 and 5. Cross section of young specimen. 

 Fig. 6. Dorsal view of specimen. 



