180 



INDEX 



semilineatus, Coluber, 96. 



Zamenis, 96. 

 Seminatrix, 118. 

 pygaea, 118. 

 septemvittata, Natrix, 116. 

 septemvittatus, Coluber, 116. 

 septan trionale, Sibon, 127. 

 septentrionalis, Chorophilus, 32. 

 Dipsas, 127. 

 Eumeces, 82. 

 Hyla, 35. 

 Leptodeira, 127. 

 Plestiodon, 82. 

 Pseudacris, 32. 

 Rana, 42. 

 sericea, Verticaria, 76. 

 Serpentes, 84. 

 serpentina, Chelydra, 140. 



Testudo, 140. 

 sexlineata, Lacerta, 77. 

 sexlineatus, Cnemidophorus, 77. 

 Shell-turtles, 151. 

 shermani, Plethodon, 12. 

 Siagonodon, humilis, 85. 

 Sibon septentrionale, 127. 

 Sidewinder, 133. 

 sierrae, Ensatina, 14. 



Rana, 39. 

 silus, Crotaphytus, 50. 

 silvatica, Rana, 42. 

 similis, Diadophis, 89. 

 simus. Coluber, 92. 

 Heterodon, 92. 

 sipedon. Coluber, 116. 



Natrix, 116. 

 Siredon gracilis, 5. 

 Siren, 23. 



intermedia, 24. 

 lacertina, 24. 

 striata, 24. 

 Sirena maculosa, 1. 

 Sirenidae, 23. 

 sirtalis. Coluber, 125. 

 Eutaenia, 125. 

 Thamnophis, 125. 

 Sistrurus, 131. 



catenatus, 131. 

 edwardsii, 132. 



Sistrurus miliarius, 132. 

 skiltonianum, Plestiodon, 83. 

 skiltonianus, Eumeces, 83. 

 Skink, blue-tailed, 81. 

 slevini, Leptotyphlops, 85. 

 Sauromalus, 51. 

 Uta, 58. 

 Sliders, 147. 

 Slimy salamander, 11. 

 Smilisca baudinii, 34. 

 Smooth green-snake, Si- 

 Snake, ball, 86. 

 black, 94. 

 bull, 104. 

 chain, 106. 

 chicken, 99. 

 Congo, 2. 

 corn, 98. 

 DeKay's, 118. 

 fox, 100. 

 glass, 69. 

 gopher, 101. 

 hog-nose, 91. 

 horn, 88. 

 indigo, 101. 

 joint, 69. 

 king, 106. 

 milk, 109. 

 mole, 109. 

 moon, 116. 

 mud, 88. 

 patch-nose, 97. 

 pilot black, 99. 

 pine, 103. 

 queen, 116. 

 rainbow, 88. 

 red-bellied, 119. 

 ribbon, 124. 

 rough green, 93. 

 rubber, 86. 

 smooth green, 92. 

 water, 116. 

 western bull, 102. 

 worm, 87. 

 Snakes, coral, 129. 

 garter, 121. 

 hog-nose, 84. 

 ring-neck, 88. 



