189 



9 



projecting ridge of the sternum, forms a figure most beautifully designed for resisting either a 

 push or a blow from the front, or a pull from behind, or from the sides. The wide spread of 

 the coracoids in front, and the direction in which their pressure is exerted on the wedge, are 

 also very beautiful pieces of mechanism." 



The woodcut, representing the sternum of the Gannet, will illustrate the above remarks of 

 Mr. John Flower. 



The specimens figured are the adult and young birds above described. 



In the preparation of the above article I have examined the following specimens : — 



E Mus. H. E. Dresser. 



a, <S ad. ; b, nearly adult ; c, jun. ; d, juv. ; e, pull. Bass Rock [Small] . 



5x 



