CONTENTS. 9 



Page 



40. Distribution of Lampropeltis doliatus triangulus 112 



41. Distribution of Thamnophis sauritus 114 



42. Distribution of Thamnophis butleri 118 



43. Distribution of Thamnophis sirtalis 123 



44. Distribution of Sistrurus catenatus 127 



45. Distributioi; of Platypeltis sphiifera 132 



46. Distribution of Chdydra serpentina 136 



47. Distribution of Kinosternon odoratum 139 



48. Distribution of Chrysemys cinerea 142 



49. Distribution of Chrysemys belli 144 



50. Plastron of Chrysemys cinerea 145 



51. Plastron of Chrysemys belli 146 



52. Distribution of Clemmys gxdtata 149 



53. Distribution of Graptemys geographica 152 



54. Distribution of Emydoidea blandingii 154 



55. Distribution of Terrapene Carolina 158 



PLATES. 



I. Hemidactylium scutatum, Plethodon erythronotus, Necturus maculosus and eggs of 



Dieniictylus viridescens 160 



II. a. Amby stoma jeffersonianuni, Diemictylus viridescens, Amby stoma tigrinum and 



A . pimctatum 1 60 



b. Plethodon erythrrnotus and eggs 160 



III. a. Bufo americanus 160 



b. Hyla versicolor and H. pickeringii 160 



IV. a. Chorophilus nigritus and Rana cjntabrigensis 160 



b. Ra7ia palustiis and R. pipiens 160 



V. Rana clamitans 160 



VI. Chelydra serpentina, Graptemys geographica, Thamnophis sauritus and Elaphe 



obsoletus 160 



VII. Terrapene Carolina, Platypeltis spinifera, Emydoidea blandingii, Clemmys guttata, 



Chrysemys cinerea and Kinosternon odoratum 160 



VIII. Nest and eggs of Eumeces quinquilineatus. . 160 



IX. a. Elaphe vulpinus 1 60 



b. Heterodon platyrhinus 160 



X. Bascanion coristrictoi- on a limb ten feet from the ground 160 



Photos taken near Hamburg, Livingston County, by Erail Body. 



XI. a. Platypeltis spinifera 160 



b. Sistrurus catenatus ". 160 



XII. Thaynnophis sirtalis 160 



XIII. a. White's Woods near Ann Arbor. Habitat of Rana pipiens, R. cantabrigen- 



sis, R. palustris, R. clamitans, Chorophilus nigritus, Acris gryllus, Hyla pick- 

 eringii, Diemictylus viridescens, Bufo americanus, Ambystonia tigrinum, A. 



punctatum, Thamnophis sirtalis and Lampropeltis doliatus triangulus 160 



b. Margin of pond in White's Woods near Ann Arbor. Habitat of Diemic- 

 tylus viridescens 160 



XIV. a. Pond south of Cassopolis. Habitat of Rana pipiens 160 



b. Shore of Charity Island, Saginaw Bay. Habitat of Ambystoma jeffersonia- 



num 160 



XV. a. Chri.stiann Creek, Cass County. Habitat of Rana catesbeana 160 



b. Pine barrens at Port Austin. Habitat of Hyla versicolor and Heterodon 



platyrhinus 160 



XVI. a. Carp River, Ontonagon County. Habitat of Rana septentrionalis and 



Chrysemys bellii 1 60 



XVII. a. Woods of Charity Island. Habitat of Laupropeltis doliatus triangulus. 

 b. Decaying log in woods at Port Austin. Breeding place of Plethodon 



erythronotus 164 



XVIII. a. Pond near Geddes, Washtenaw County. Habitat of Rana palustris and 



R. clamitans 166 



b. Undergrowth in woods near Port Austin. Habitat of Plethodon erythronotus 

 XIX. Moss-covered stumps in Cady's Woods south of Ann Arbor. Habitat of Hemi- 

 dactylium scutatum 168 



XX. General view in woods near Port Austin. Habitat of Plethodon erythronotus 170 



