358 DR. J. E. GRAY ON THE WHALES OF THE CAPE. [Apr. 11, 
tacea in the British Museum,’ t. 3. f. 2, does not convey any idea 
how the curious flattened teeth arch over the upper jaw, as shown 
in Mr. Trimen’s drawing. I stood by him all the time, so can answer 
for the correctness of the sketch ; and I took the measurements my- 
self.” The drawing shows that it is the skull of an animal more 
allied to Ziphius micropterus than to Z. seychellensis. It differs from 
Z. seychellensis in the lower jaw being elongate, slender, gradually 
tapering in front, like the lower jaw of Z. micropterus. It differs from 
the latter species in the tooth on the side of the jaw being elongated, 
strap-shaped, with a small process* in the front side of the truncated 
apex, and especially in these teeth being arched inwards, forming a 
high arch “over the upper jaw,” the crown of the lateral teeth 
being short and triangular in Z. micropterus. It is evidently quite 
distinct in the form of the rostrum of the skull and the shape of the 
teeth from the Ziphius micropterus of the coast of Europe. I 
therefore propose to call it Ziphius layardit. 
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a, 6. Skull and lower jaw of Ziphius layardii. c. Teeth of lower jaw, from front. 
The entire length of the skull, from condyle to top of the rostrum, 
3 feet 7 inches ; of the rostrum, from tip to the notch, 2 feet 6 inches ; 
the width at the widest part of the brain-case 1 foot 6 inches; the 
length in a straight line, from the tip of the rostrum to the crest 
over the blower, 2 feet 11 inches; the height of the skull, from the 
hinder part of the palate to the crest over the blower, 1 foot 2 inches. 
The entire length of the lower jaw 3 feet; the length of the con- 
dyle, to the hinder edge of the base of the tooth, 1 foot 114 inches; 
the length of the exposed part of the tooth along the anterior edge, 
93 inches; the width below the teeth of the side of the lower jaw, 
measured from the inner part of their base, 3 inches. 
* The process is not so distinctly shown as it ought to be in the woodcut. 
