In plate 1 24 will be found a representation of that rare 

 variety named Pr ester by Linn 6. 



The number of scuta and squamae, on which the specific 

 characters of serpents were founded by Linn 6, vary in al- 

 most every individual of this and of every other species of 

 serpent ; and any one may satisfy himself as to the truth 

 of this remark, by counting the number in a brood of the 

 common snake of Britain, Coluber Natrir, 



