250 APPENDIX. 



Tribe II. Quadrumana. 



The four limbs terminated by hands. 



Family 2. Simiae. Resembling man; 4 incisive teeth in 

 each jaw. 



Family 3. LemurinL Resembling carnivorous animals; 

 incisors varying in number, shape and situation; nostrils 

 at the tip of the snout. 



Family 4. Dermoptera. Digits of the anterior limbs 

 moderate, robust, all furnished with compressed incurved 

 nails; connecting membrane pilous. 



ORDER II. Cheiroptera. 



Mammae 2, pectoral; penis free: limbs connected by a 

 membrane formed for flying. 



Family 5. Cheiroptera. Digits of the anterior limbs 

 excessively elongated, comprised in an expansion of the 

 naked membrane of the flanks, thumb free, but not oppos- 

 able. 



ORDER III. F E RiE. 



Mammae abdominal, numerous; penis attached to the 

 belly; limbs free, formed for walking; the anterior not 

 terminating by hands. 



Family 6. Insectivora. Plantigrade; no carnivorous 

 teeth; false molars acute; 3 or 4 tuberculous grinders on 

 each side of both jaws; from one to six incisors. 



Family 7. Carnivera. Last molar, at least, tuberculous; 

 2 strong canine, and six incisive teeth above and below. 

 * Plantigrada. ** Digitigrada. 



Family 8. Marsupialia. Females with a pouch; both 

 sexes furnished with marsupial bones: hind thumb destitute 

 of nail: opposable; sometimes wanting. 



* 2 canines and several small incisors above and below. 



** No canine below — at least 6 incisors above. 



