CLASS I- MAMMALIA 



i. Incisor, canine, and molar teeth all present, 

 forming a continuous series. 



ORDER I. FERjE. 



Feet armed with strong claws : mammae abdominal : 

 penis sheathed. 



* Six incisors in each jaw : grinders of three sorts. 



f- Walk on the soles of the feet. 



1 1. URSUS. Lower incisors set in the same line : grinders varying 

 in number, the three last large and tubercular: no glandular pouch 

 under the tail. 



2. MELES, Second incisor on each side in the lower 

 jaw placed behind the others : grinders five above and 

 six below on each side; the first very small, the last 

 tubercular : body low on the legs : a glandular pouch or 

 scent-bag under the tail. 



-)( Walk on the extremities of the toes. 



3. MU STELA Grinders varying in number : body 



very much elongated : feet short ; the toes separate : ears 

 short and rounded. 



(1. MUSTELA.) Grinders five above and six below on each side : 

 tongue smooth. 



(2. PUTORIUS.) Grinders four above and five below on each side; 

 tongue rough. 



A2 



