120 CARNIVORA. 
. 1700. Several calcanea, of various sizes. 

. 1701. Several astragali, of various sizes. 
Ss 5 5 & 
. 1702-3. Numerous metapodial bones, of various sizes. : 
. 1704. Four specimens of the axis vertebra; and a fifth appa- 
rently belonging to a distinct species. . 
1705. Two specimens of the sacrum. 
1706. Numerous caudal vertebre. 
1412. Numerous limb-bones. 
. 1380. Numerous canine teeth. j 
. 1707. Ditto. ’ 
al eh ish isl is 
Genus ICTICYON, Lund’. 
Syn. Speothos, Lund 2. 
Dentition (usually) :—I. . C. a Pm. FA M. In a recent female 
specimen of J. venaticus in the Museum of the Royal College of 
Surgeons (No. 533) a small m.2 is present; and in a large recent 
male skull in the British Museum m. 2 1s absent on both sides; the 
a=3) 
In its dentition this genus is the most specialized of the Canine; 
this being shown by the suppression of the hinder molars, and by 
the absence of the inner cusp of the lower carnassial. In a lineal 
classification it is impossible to assign a satisfactory position to the 
genus, since it is necessary that Cynodictis should be placed next to 
the Viverride, and Canis close to Amphicyon, which comes next to 
Dinocyon and Hycnarctos. 
range of variation in the number of true molars is therefore 
Itcticpon benaticus, Lund *. 
Syn. Cynogale venatica, Lund *. 
(?) Speothos pacivorus, Lund °. 
Icticyon affinis venaticus, Lund *. 
(?) Icticyon major, Lund’. 

' K. Danske Vid. Selsk. Skr. vol. xi. p. 62 (1845). 
? Ibid. vol. viii. p. 93, pl. xix. figs. 1, 2 (1841). The probable generic iden- 
tity of Speothos with Icticyon has been indicated by Huxley (Proce. Zool. Soc. 
1880, p. 280) ; the former name has the priority. The same remark applies to 
the specific names pacworus and venaticus, 
3 Ibid. vol. ix. p. 201 (1842), Cynogale. 4 Loc. eit. 
5 Tbid. vol. viii. p. 93 (1841). 
6 Vide TH. Gervais and Ameghino, ‘Mammiféres fossiles de Amérique du 
Sud,’ p. 85 (1880). 7 Ibid. 
