CETACEA. 121 
_ 6. Skull, smaller. Australia. Presented by A. Cunningham, 
sq. 
Ee. Skull. St. Helena. Presented by A. Pearson, Esq. 
 d. Skull., Presented by J. J. Bennett, Esq., F.R.S. 
e. to p. Twelve skulls. 
g. Skeleton. English coast. 
_~ Measurement of different skulls in the British Museum. The 
particular localities are unknown. 
oe oe 1 ae | Seat wee lige 
Boek ick BR ohee pea) eee ais 
| 4 As Hae 
in. lin.} in. lin. | in. lin. } in. lin. in 
eet Ob 12 Ok | SAO a Ol) Baa poms 
Geer ee. Per Ar B10 2. OT oS 43 
Seow ed | LOS Bi 2 Shoe ae 
eee aye oP PO OPT oo 4 DB Ts 46 
a Pee ara Sirs RS ea | 5 
ES Oe ES aad CPR Bead ie 
a7. OAL, ob 22 |S ee 
Rete, tO 6 to: D2: (Ob Be oie 
hy Peo Meh 44 Ghd see | et Als ver 50 
Se FR aE FS es a Yan ee 48 
Bane BO OO) AQ Bet a Ob 2, ele ahi 
SSE SR PR MS UE nS Oo Wa ce ad 48 
cig OL. BNC ps am as Bi A a Hie ae 2 > 
_ The most prominent difference between the specimens is in the 
“width of the upper jaw in front of the notch, just over the com- 
mencement of the teeth-series ; but there does not occur any other 
character in connexion with it. There is also a slight difference 
‘in the form of the palate; im a, the central ridge 1s narrow and 
rounded above behind; in 4, it is broad, flat, sharp-edged, and 
yery deeply concave on the sides, under the edges, but the dif- 
ferent specimens vary im this particular. In d and g, the hinder part 
of the palate, near the entrance of the inner nostrils, is sharply 
keeled; and in a the two ridges are rounded. 
_ Iam by no means certain that with a larger series of skulls in 
a perfect condition, and with the animals ‘they belonged to, it 
ught not prove that there are more than one species amongst 
_tnese skulls. 
In all these skulls the intermaxillaries are seen below, forming 
F 
