516 PROCEEDINGS OF THE ACADEMY OF [1896. 



Fig. 5. Right coracoid of Puffinus arvernensis (?), anterior aspect, 



natural size. 

 Fig. 6. Anconal aspect of the left humerus of Puffinus arvernensis 



(?), natural size. 

 Fig. 7. Ulnar surface of the left humerus of Puffinus arvernensis (_?), 



natural size. 

 Fig. 8. Right tibio-tarsus of Puffinus eyermani, natural size and 



viewed upon its anterior aspect. Cnemial process restored 



in dotted line. 

 Fig. 9. Right tibio-tarsus of Puffinus arvernensis (?), natural size, 



and viewed upon its anterior aspect. Figures 5-9 inclusive, 



drawn by the author. 



