18 
P. antiquatus,* tab. 317 : the remains of spines are so 
obscure that, except upon the ears, their existence is 
doubtful. 
The only individual I have met with of this species 
was given me by the late Mr. Jonathan Salt : it is from 
Derbyshire. 
«r 
* By some mistake the reference to Martin’s Synonym is given 
44 semisti iafns” instead of “ semireticulatus,” 
? 
i 
