Haast.—On Oulodon grayi: a new genus of Ziphioid Whale. 457 
The mandibular tooth eould scarcely be felt when passing the finger 
over the gums, and its existence could scarcely have been proved in that 
way had I not known its exact position. 
On the other hand, the point of that mandibular tooth in all the three 
male skulls protruded already, even in the smallest, through the gums and 
the more laterally extended size of that portion of the lower jaw was at once 
discernible. 
I measured also the lower jaw of the male skull (B), and found it to be 1 
foot 11:85 inches long. Consequently its size is intermediate between the 
two Chatham Island skulls, No. 2, of which thelower jaw measures 2 feet 
6:08 inches, and of the immature, No. 8, which is only 1 foot 7-75 inches 
long. 
All the four skulls possess seventeen to nineteen teeth on both sides of 
the roof of the mouth, so that now this character can be claimed as being 
constant and specific. 
As to the external features of this species, its form may be described as 
being rather elegant. The head is tapering and the beak-like rostrum runs 
out to a point, so that it was not unappropriately compared by one of the 
workmen to the beak of a bird. 
Colour of back black, getting a little lighter near the tail, where it as- 
sumes a dark slate tint, lower side reddish-brown, near the tail assuming 
on both sides a more blackish hue. 
The blowhole is situated in the centre. It is about six inches in diame- 
ter, and the corners are directed forward. 
It possesses a large faleate dorsal fin, situated rather backwards, and the 
pectoral fins are small and somewhat pointed. 
The following measurements were taken from the immature male (0):— 
Totallength, 18 feet 8 inches; girth round the body, 18 inches beyond 
the pectoral fin, where the animal is of the largest size, 9 feet; from 
point of rostrum to anterior border of pectoral fin, 8 feet 5 inches ; from 
posterior end of dorsal fin to centre of tail lobes, 4 feet 8 inches. 
Ant. LVIIL.— Description of a species of Catoeala, new to Science. 
By R. W. Ferepay, C.M.E.S.L. 
[Read before the Canterbury Philosophical Institute, 15th December, 1876.] 
CATOCALA TRAVERSII. 
Proboscis, stout. Antenne, moderately long, setaceous. Labial palpi, 
stout, pilose, moderately long, obliquely ascending; third joint, short, 
avellanate, Body, robust, greyish-dove colour. Thorax, thickly pilose, 
G2 
