DODD & FRANZ: UPLAND SNAKES 1989 N = 11 1990 N = 42 0O i ie II 1I 1 III I il I In II a II I 1 ai I 1 301 320 340 486 557 611 801 823 941 TRAP NUMBER Figure 8. Total number of snakes captured by individual traps in mesic habitats, 1989-1990. The dark bars at the top of the graph show which traps were open in 1989 (top) and 1990 (bottom). N refers to the total number of snakes captured. 8 21 * . . . * z 1 *... * * 2 0 50 100 150 200 250 MEAN NUMBER OF DAYS BETWEEN RECAPTURE Figure 9. The relationship between the number of intervals between snake captures at a trap and the mean number of days between capture.