710 CLASS XVII. 



lips and behind the eyes very long. Feet short, pentadactylous, 

 plantigrade. Tail short. (Orbit open behind. Habit, especially of 

 the head, of Lutra.) 



Sp. Potamophilus barlatus SAL. MUELLER, Tijdsckrift voor. nat. Gesck. v. 1838, 

 pp. 140 145 ; Verhand. over de Overzeesche Bezittingen, Mamm. pp. 115 

 1 20, PI. 17, Borneo; keeps in the neighbourhood of rivers; length 

 i' n", tail 7". 



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Family XXXV. Canina. Molar teeth mostly - - (more 



rr 7ft 8 



rarely -= =. or 5 5), two, more rarely three, tuberculate on each 

 7 7 o o 



side in both jaws. Tongue smooth. Feet digitigrade, anterior almost 

 always pentadactylous, with pollex raised, small, posterior tetra- 

 dactylous 1 . No anal follicle, but in many a dermal gland above 

 the base of the tail. 



A small and very natural group, which corresponds to the genus Canis 

 of LINN.EUS, with which, however, he united incorrectly the Hycenas. 



o o 



Otocyon LICHTENST., WAGN. Molar teeth n_n , spurious 



3 3 4 4 



2 2 , tuberculate ^ ~ ; laniary tooth less than the tuberculate ; 



lower tuberculate teeth with oblong crown and four conical, acute 

 tubercles. Ears large, nearly of the length of head, erect. Tail 

 moderate, hairy. 



Sp. Otocyon ca/er LICHTENST., Canis niegcdotis DESM., Canis Lalandii HAM. 

 SMITH Diet, class, d'ffist. not., Ail., Livr. 4, PI. 147, fig. 2, GRIFFITH 

 Anim. Kingd. II. p. 372, (fig. cop. in KRAUSS 1. 1. Tab. 1 1, fig. 3); greyish; 

 tail black above and at the extremity ; smaller than a fox ; South Africa. 



ft /> q O 



Canis L. (except Hycena). Molar teeth _ , spurious . _ ., 



2 2 



tuberculate = ^. Upper laniary tooth bilobed, acute, with a 



2 Z 



small additional tubercle forwards on the inside, the lower tripar- 

 tite, the two anterior portions conical, acute, the posterior depressed, 



1 Sometimes in the common dog (Canis familiaris L.) the hind feet are provided 

 with five toes ; in some the phalanges of this supernumerary toe are not connected with 

 the tarsus, but only with the skin, in others the toe is fully developed. F. CUVIER 

 Ann. du Mus. xvm. pp. 342, 343, PI. 19, fig. 10. 



3 In a skull of an American species (Canis Azarce or Canis cancriwrwf) I found 

 7 molars in the upper jaw also. 



