506, PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [May 25, 
Belemnoziphius is that numbered 27432 in the British Museum ; it 
is more complete than Cuvier’s specimen of longirostris. There is 
no doubt that the new ziphioid rostrum from Suffolk belongs to the 
genus Choneziphius as amended by Huxley. It differs from the 
described specimens of Ch. planirostris, and from a small cast (not 
of the type specimen) in the British Museum, in the pointed termi- 
nation of the rostrum, a solid bit projecting beyond the axial cavity 
Fig. 1.—Skull of Chone- Fig. 2.—Skull of Chone- 
ziphius planirostris. ziphius Cuvieri. 
in place of its presenting a bifid termination ; also the outline is much 
thicker and less cylindrical than in the cast alluded to. I was, 
however, surprised to find, in comparing Cuvier’s two specimens of 
Ziphius planirostris and a cast of a third in Paris, that great dif- 
ferences in these particular characters of the rostrum existed. 
Cuvier’s second specimen has recently been called Z. Cuwiert by Pro- 
fessor Owen; and as it is perhaps useful to distinguish the various 
forms, I propose to call this from Suffolk Choneziphius Packardi, in 
honour of my friend the liberal and excellent Mayor of Ipswich. It 
comes nearest to Ch. Ouviert of the three specimens which are in 
the Museum of the Jardin des Plantes, since the general outline 
