414 Annals of the Carnegie Museum. 



Plate XXIX. 



Fig. 126. Direct left lateral view of a mounted skeleton of a Puffintis 

 in the collection of the Museum c^ Comparative Zoology, Harvard Univer- 

 sity (No. 1429). Catalogued as " CEstrelata lessoni"; labeled as " Procel- 

 laria lessoni, White-headed Petrel," adult. Length of skull in life 6.6 cms. 

 Length of humerus 6.2 cms. These measurements will give the amount of 

 reduction in the figure. 



