MAMMALIA. 5 



10. SOREX. Two middle incisors produced beyond 

 the others ; those above bent and notched at the base : 

 lateral incisors or false tusks very small: grinders four 

 above and three below on each side : body covered with 

 hair : snout attenuated : tail long. 



11. ERINACEUS. Two middle incisors produced be- 

 yond the others, longer than the tusks; those above 

 cylindrical, with a space between : grinders five above and 

 four below on each side : body covered with spines : tail 

 very short. 



ORDER II. PRIMATES. 



Claws flat and small : anterior extremities with a 

 distinct thumb : mammae pectoral : penis free and 

 pendulous. 



VESPERTILIONID^E. Incisors varying in 

 number ; summits of the grinders armed with 

 sharp points : anterior and posterior extremities 

 connected by a naked expansion of the s&in, 

 adapted to flight: fingers very long. 



12. RHINOLOPHUS Incisors two above and four 

 below : grinders five on each side above and below : 

 nostrils with two foliaceous appendages, the posterior one 

 erect : ears free ; tragus wanting. 



13. VESPERTILIO Incisors four above and six 



below : grinders varying in number : nostrils without 

 foliaceous appendages : ears sometimes free, sometimes 

 united at their base ; tragus always present. 



(1. VESPERTILIO.) Ears moderately large, lateral, separate : grinders 

 from four to six above, and from three to six below on each 

 side. 



