From "Reptiles of Fox Island 4/79" by T.J.McNitt, Bob Weber, (Lee Casebere) notes

TURTLES (Order Testudines)

Common Name	Scientific Name	Family	Option	Comment
Snapping Turtle	Chelydra serpentina		tm, bw
Common Musk (Stinkpot)	Sternotherus ordoratus			Found 8/92 in Observation Center Yard
Eastern Box Turtle	Terrapene c. carolina			Two found in 8/92; One on lake road and one on Upper Dune Trail
Midland Painted Turtle	Chrysemys picta marginata		tm, bw
Blanding's Turtle	Emydoidea blandingii		bw
Eastern Spiny Softshell	Apalone s. spinifera		tm

SNAKES (Order Squamata, Sub-order Serpentes)

Common Name	Scientific Name	Family	Option	Comment
N. Banded Water Snake	Nerodia s. sipedon		tm
Midland Brown Snake	Storeria dekayi wrightorum		tm, bw
Eastern Garter Snake	Thamnophis s. sirtalis		tm, bw
Blue Racer	Coluber constictor foxii		tm, bw
Black Rat Snake	Elaphe obsoleta obsoleta		bw
Eastern Milk Snake	Lampropeltis t. triangulum		tm, bw
E. Massasauga	Sistrurus c. catenatus		tm, bw