INSECTIVOROUS QUADRUPEDS. 117 



robust, while others are slender; or in their exterior, 

 which sometimes presents strong prickles, sometimes 

 the softest velvety fur ; but they are all plantigrade, 

 or in walking apply the entire sole to the ground, 

 and are furnished with clavicles. Their mammaa 

 are abdominal, and they produce several young at a 

 time. 



This group may be divided into three families 

 the Erinaceidce, or Hedgehogs ; the Soricidce, or 

 Shrews ; and the Talpidce, or Mo.es ; of the first 

 and last of which there is one representative in 

 Britain, and of the other three. 



