MR. R. OWEN ON THE ANATOMY OF THE CHEETAH. 135 
as extending so far backwards. The mass of cerebrum anterior to this anfractuosity is 
slightly indented with a fissure, which is of greater extent in the Cheetah than in the Cat. 
Posterior to anfractuosity 1. a second! commences in the Cheetah and Lion from the 
anterior intersection of convolution a., and extends downwards and backwards to the 
posterior part of the hemisphere. In the Cat this anfractuosity does not extend so far 
at either extremity, but its direction is the same. 
The posterior anfractuosity® runs parallel with and above the preceding; it termi- 
nates at the posterior part of the hemisphere, but does not extend to the upper surface 
at its anterior extremity in any of the Cat tribe. 
The general disposition of the convolutions in the brain of a Dog is sufficiently 
similar to that in the brain of the Cat tribe for the purposes of comparison. 
In the brain of the Jackal the convolutions a. and b. occupy nearly the same extent 
and position, but b. is half as broad again as a., so that the Cheetah in the difference 
manifested by the superior bulk of this convolution, approximates to the Dog, although 
it is but in a slight degree. A further difference is observable, and more especially 
in the domesticated Dog, in the additional cerebral matter anterior to the transverse 
fissure 1, and in the greater extent'to which the cerebellum is covered by the posterior 
part of the cerebrum; but with reference to these differences, the Cheetah strictly ad- 
heres to the feline type. 
That the disposition of the superimposed mass of the cerebrum varies in the different 
orders of Mammalia, and in some of the orders is found to vary also in the different 
genera, is now well known to comparative anatomists. In the great work of Gall and 
Spurzheim, the disposition of the hemispheric substance is in part delineated as it ap- 
pears in the brains of the Sheep, Kangaroo, Lion, Tiger, Cat, Rhesus Monkey, Guenon, 
Elephant, and Orang-Utan: and different examples from the Quadrumana, Carnivora, 
Marsupiata, Rodentia, and Edentata, are given by Tiedemann in his ‘ Icones Cerebri 
Simiarum §c.’, all of which sufficiently prove this fact. 
Of the constancy of the disposition of the convolutions represented by Gall and 
Spurzheim in the Lion and Tiger as characteristic of the brain of the feline genus, I 
was first assured by our fellow Member H. H. Holm, Esq., Lecturer on Phrenology?, 
whose attention has long been directed to this part of anatomy. 
19. Figg. 3. & 6. 210. Figg. 3. & 6. 
° The following note contains Mr. Holm’s opinions of the functions of the different convolutions in the brain 
of the Cheetah, after a comparison of it with the human brain and that of some other animals. 
“Tn the human brain the convolutions of the posterior lobe appear formed in three longitudinal masses 
meeting behind, and diverging in their progress forwards : 
The internal mass Inhabitiveness, Self-esteem. 
The middle mass contains—Philoprogenitiveness / Adhesiveness, Love of Approbation. 
The external mass Combativeness, Destructiveness, Alimentivenses. 
These masses have very frequent interconnexions, are much convoluted in their course, and have great numbers 
of subconvolutions. 
“In the common Cat we see the same type prevails, but the masses are simple. The internal mass dilates 
