394 Annals of the Carnegie ^Museum. 



Plate XIX. 



Fic. 17. Direct left lateral view of the skeleton of a specimen of Procel- 

 laria cooki ; adult; nat. size. Coll. U. S. Xat. Mus.. Xo. 18285. (''Great 

 Barrier Island.") Hyoid bones, with right pectoral and pelvic limbs de- 

 tached. 



Fig. 18. Bones of the lingual apparatus (hyoid bones) belonging to the 

 skeleton shown in fig. 17 of this plate; nat. size; viewed from above (dor- 

 sal aspect). Glosso-hyal slightly detached. * 



Fig. 19. Anconal aspect of the skeleton of the right pectoral limb of the 

 skeleton of Procellaria cooki shown in fig. 17 of this Plate. Xat. size, and 

 bones normally articulated. 



Fig. 20. Mesial aspect of the skeleton of the right pelvic limb of Procellaria 

 cooki; nat. size, with the bones normally articulated. Belongs to the skeleton 

 shown in fig. 17 of this plate. 



