V.’ '‘fry/,IWltl./ca^KuY. V I P E R A . 1 .2 .3 . ARIETANS . 4 .5 . ELEGANS. 6. 7. ATROPOS. 8. 9 . CORNUTA. lO. 11. E C H IS . 1 2 .1 3 . C ER ASTES. 14 15. BERUS; 16. 17. 1 8 . A S P IS . 19. 2 0 . AMMODYTES. 2 1 .2 2 .2 3 . A CANTHOPHIS.
