IÌ?R
I L ; H
TAB.:sx3cvir.
E X P L A N A T I O N or THE TABLES.
F i o . 3.
" 3
A, A thill plate of cartilage, which Is found on thè Inner fide of the temple.
B, The cavity in which the Euftachlan tube terminates laid open.
D, The tendinous-like fubllance which connefls the temple to tlie inner fide
of that cavity.
F, The outer end, and F the Inner end, of the long cartilaginous body,
which connefts the temple to the labyrinth of the ear, having its inner part F
connected to a membrane refembling that of our feneftra ovahs.
G H I, Three femlcircular canals, to wit, an anterior, a pofterior, and a
middle horizontal canal.
In F i e . 4.
- The organ, of hearing is feen froni below*
A, Reprefents the right condyle for the articulation with the lower jaw.
B, The under part of the Inner end of the cartilaginous body, which connefls
the Ikin of the temple to the membrane of the feneftra ovalis, or to the
labyrmth of the ear.
- C, A fao which contains a foft cretaceous matter, like to that found in the
ear of a Ikate fiih.
D, Nerves refemblmg the pOrtio mollis of our feventh pair, endiijg on this
fac.
T A B L E XXXVL'.
IN tills Table are reprefented, in a Skate, the bafls of the brain, cerebellum,
and top of the fpinal marrow, with the nerves coming out from thefe; and the
diifcrent parts of the ear are llkewife accurately fliown.
F i g . I.
1 , 1 , Thenofe.
2, The cavity in the fore part of the cranium, which is filled with vifcid
fluid.
3.3, The anterior lobes of the brain.
4.4, Two fmaller lobes behind thefe.
5, A round lobe compofed of vafcular and cinerltious fubftance.
• 6, 6, Medullary lobes under the lobes of the cerebellum.
7, Medulla oblongata and medulla fpinalis.
F f 9, The
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