REPTILES. 



123 



naw Count}', Limestone Momitain, Baraga Comity, Marquette, 

 Marquette County, Porcupine Mountains, Ontonagon County 

 (Ruthven, 1906, 111-112), Washtenaw County, Kent County, Grosse 

 Isle, Wayne County, Livingston County, Eaton County, Oakland 







^■C 



11 



2^^ 



LAKE SUPERIOR 



W,^^^^ D Ml N f fv OF CANADA 



I L L ! N I S \ 



c K I c A c e 



Fig. 43. Distribution of Thamnophis sirtalis. 

 Horizontal ruling, specimens examined; vertical ruling, reports only. 



County, Oceana County, Crawford County, Iosco County, Gratiot 

 County, Isle Royale, Lake Superior, Ontonagon County, Gogebic 

 County, Houghton County, Baraga County, Marquette County 

 (Ruthven, 1908, 181), Walnut Lake, Oakland County (Hankinson, 

 1908, 236), sand region of Huron County (Ruthven, 1911a, 268), 

 Douglas Lake, Cheboygan County (Ruthven, 1911, 115), and Cass 



