240 LLOYD'S NATURAL HISTORY, 
features that it is comparablggpith that of the Viverrid@ rather 
than that of the A/ide, the osteology of Proelurus presenting 
a marked resemblance to Cryftoprocta ; indeed, Dr. H. Filhol 
is of opinion that the Tertiary genus is the direct ancestor 
of the existing form. In Pseudelurus the feline:characters of 
the dentition are more marked. 
In the genus under consideration there are only three pairs 
of pre-molar teeth, and the lower carnassial tooth has no dis- 
tinct inner cusp, the upper tusk being large, with a sharp 
posterior edge. ‘The first lobe of the blade of the upper car- 
nassial tooth is reduced to a small cusp; while the hinder lobe 
of the same is formed by two small cusps. The typical species 
(P. quadridentatus) occurs in the Middle Miocene beds of 
France and Styria; and may be compared in size to a Lynx. 
A lower jaw of a more slender type, from the Pliocene Loup- 
Fork beds of Nebraska, has been assigned to a second species, 
with the name of P. zntrepidus. 
XII, GENUS. PROZZXLURUS. 
Pies Filhol, Ann. Sci. Géol. vol.’ x. art. 3, p. 192 (1879). 
In this genus there are four pairs of pre-molar teeth in each 
jaw ; the lower carnassial has a large inner cusp as well as a 
posterior heel ; and in the upper-carnassial the anterior lobe of 
the blade of the True Cats is represented only by a rudimentary’ 
cusp, while the inner tubercle is large and placed close to the 
front edge. In the base of the skull the alisphenoid bone is 
perforated by a canal; while in the presence and position of 
certain foramina in this region the base of the skull agrees with’ 
the primitive Civets and Dogs. The limbs were relatively long: 
and slender; the femur retained a third trochanter ; and the 
tail was extremely elongated. The genus is represented in the 
Lower Miocene and Upper- Eocene (Oligocene) of France by: 
the two species P. lemanensis and P. julien. which nee Be 
compared in point of size to a small Civet. ih 
i 
