Abstract
The reproductive ecology of a Connecticut [USA] black/striped dimorphic population of P. cinereus differs from that reported for populations in Maryland, Michigan and Tennessee. Older females in Connecticut, unlike those in Maryland, apparently lay eggs every year. Connecticut females, unlike those in Michigan, show a positive correlation between body size and number of mature ovarian eggs and the mean number is lower in Connecticut than in Michigan. Connecticut females, unlike those in Tennessee, apparently reproduce more than once. Black females reach reproductive maturity at a larger size than striped females in Connecticut.

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