FELIS GRACILIS. 
In tlie number of the toes of the hind feet, and of the teeth, as well as in the 
form of the head and body, the Delundung resembles the genus Viverra ; but the 
character of the claws, as well as the peculiar structure of the teeth, and the use for 
which they are intended in the economy of the animal, indicate, in my opinion, a 
closer affinity to Fells. I have therefore placed it in that genus, in a separate section, 
which I have denominated Prionodoiitidce ; and, for the purpose of comparison, I now 
add Ittiger % s detailed description of the genera Felis and Viverra. 
FELIS. 
Sect. I. 
Molares 4 aut 3 maxilla superior^ 
pedibus posticis tetradactylis. 
Denies Primores utrinque 6, in 
eaclem serie collocati. 
Lantarii distincti primoribus mul- 
to longiores conici actiti, versus api- 
Cem snlcis exarati. 
Molares obducti, fere omnes sec- 
tores, supra utrinsecus taut 3: antici 
duo conoidei crassiusculi, tertius max - 
imua acie bicuspide, et interius gradu 
antico lateroli parvo auctus, quartus 
tritorius tuberculatus parvus interior 
transversus. Infra utrinsecus 3: an- 
tici duo corapressi simplices, tertius 
maximus acie bicuspide. 
Sect. II. Prionodoniidee. 
Rostrum calvaria brevius, obtusius- 
culum, rhinario prominulo rotunda to. 
Lingua retrorsum aculeata. 
Pit villa Ms oblonga, illis orbicularis. 
Auricula parvo? acuminate. 
Curjm pilosuiu. 
Dentes Primores utrinque 6, in 
eadem aerie collocati, wquales (exte- 
riores vix majores.) 
Laniarii distincti primoribus mul- 
to longiores conici acutissimi versus 
apicem beves. 
Molares obducti supra utrinsecus 
tpiinquc: aiitici tres sect ores com- 
pressi; primus bieuspidatus, seeun- 
dus subtricuspidatus gradibus poste- 
rioribus minoribus, tertius subqua- 
dricuspidatus,acie intermedia Bectoria 
elongata, antice gradu uno postice 
duobus brevioribus auctus; quartus 
sectorius maximus acie una elongata, 
ant ice et postice gradibus duobus 
minoribus et interius processu laterali 
mediocri auctus; quint us tuberculatus 
tri torius. In fra u trhweciis st ?x : an t i ci 
quatuor sectorii corapressi ; primus 
tricuspidatus; secundus, tertius, et 
quartus gradatim majores, quadri- 
cuspidati, gradibus posticis obsoleti- 
oribus; quintus omnium maximus 
quadricuspidatus, aciebus duabus ex- 
ternis sectoriis, postcriore longisaima 
compressa, tertia interiore quarta 
abrupte breviore posteriore; sextus 
minor tuberculatus tritoriuR. 
Rostrum elongatum aeutiusculunij 
rhinario prominulo. 
Lingua, 
PvjiiUa orbicularis. 
Auriculas breves rotunda tar. 
Corpus codario molli et pUis longi- 
oribus dense vestitum. 
VIVERRA. 
Denies Primores utrinque 6, in 
eadem serie collocati. 
LnnUirii distincti, primoribus raul- 
to longiores, conici. 
Molares obducti supra utrinsecus 
fi : tres antici sectores conoidei com- 
pressiusculi, quartus maximus secto- 
rius acie snbtricuspide et interius 
gradu laterali antico parvo auctus, 
quintus et sextus tritores tubcrculati, 
sexto minore. Infra utrinsecus 6: 
antici 1 sectorii unicuspides (primo 
nonnullis deficiente,) quintus secto- 
rius maximus, acie externa bicus- 
pide, tuberculis duobus in ternis aucta, 
et postice gradu magno quadrituber- 
culato auctus, sextus tritorius tuber- 
culatus raagnus. 
Ilostrum acutiusculum, rhinario 
prominulo obtuso. 
Lingua (certe antice) retrorsum 
aculeata. 
Pupilla elongata transversa. 
Auricula breves rotundata?. 
Corpus codario et pilis longioribus 
vestitum. 
