Class I. URCHIN. l65 



proach of sucking cattle, and hurting their 

 udders, but the smalhiess of its mouth renders 

 that impossible. 



It is a mild, helpless, and patient animal, 

 and would be liable to injury from every enemy, 

 had not Providence guarded it with a strong 

 covering, and a power of rolling itself into a 

 ball, by that means securing the defenceless 

 parts. The barbarity of anatomists furnishes 

 us with an amazing instance of its patience ; one 

 that was dissected alive, and whose feet were 

 nailed down to the table, endured that, and 

 every stroke of the operator's knife, without even 

 one groan.* 



* Clavis terelrari sili pedes et discindi viscera patientissime 

 ferehat ; omnes cultri ictus sine gemitu pliisqiiam Spartana nohili" 

 tate concociuens. Borrich : in Bias ; de Echino. 64. 



