5 52 8. TEIIDJE 



and a round pupil. A large ear-opening is present. One 

 strong and several weaker folds cross the throat. Long 

 series of femoral pores are present. 



Synopsis of Species and Subspecies 

 a. — One or more longitudinal lines along back, 

 b. — Two or three longitudinal lines along back. 

 c. — Supraoculars usually three; no orange; throat often 

 slaty or black; size much larger; scales of collar 

 usually smaller at its edge. 



V. ceralbensis. — p. 5 54. 

 c'. — Supraoculars usually four; throat often orange, 

 never slaty or black; size smaller; scales of collar 

 usually largest at its edge, 

 d. — Usually three lines along middle of back; second 

 supraocular usually without granules between it 

 and the frontal plate. 



V. h. hyperythra. — p. 5 56. 

 d'. — Usually two lines along middle of back; second 

 supraocular usually at least partly separated from 

 frontal by granules. 



V. h. beldingi.— p. 560. 



b'. — A single median dorsal light line, usually forked 

 anteriorly. 

 cc. — Supraoculars usually four; throat often orange, 

 dd. — Anterior fork of dorsal line longer, not less than 

 one-third total length of line; second supraocu- 

 lar often separated from frontal. 



V. h. beldingi. — p. 560. 

 dd'. — Anterior fork of dorsal line shorter, rarely more 

 than one-third total length of line; second 

 supraocular usually touching frontal. 



V. h. schmidti. — p. 563. 



