'I'liF RuTiLi: Book 



Plate I.XVIII 



PLAINS GARTER SNAKE. Eulccnia radix 

 Though thick-bodied il appeals to the ribbon snakes, as the stripes on the sides are on the 3d and 4th rows of scales. A Plains species 



BUTLER'S GARTER SNAKE, Eultrnia bullrri 

 Owing to its ex'rtmcly small head the species is unique atnong the striiwd snakes. The stripes on the sides usually cover 



rjortions of the 2d, .id and ath rows of scales 



