EXPLANATION OF FIGURES. 405 
Rana clamata. 
Pl. 28 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 21). 
Figs. in Rep. 1906, p. 131, from Cope (p. 421, fig. 107). 
Rana palustris. 
Pl. 29 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 95). 
Figs. in Rep. 1906, p. 135, from Cope (p. 407, fig. 102). 
Rana sylvatica. 
Pl. 30 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 24). 
Figs. in Rep. 1906, p. 139, from Cope (p. 450, fig. 115). 
Carphophiops amezenus. 
Pl. 31 in Rep. 1906, from Holbrook (Ed. 2, III, 1842, Pl. 27). 
Figs. in Rep 1906, p. 146, from Cope (p. 736, fig. 151). 
Regina leberis. 
Pl. 32 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 13). 
Figs. in Rep. 1906, p. 148, from Cope (p. 994, fig. 265). 
Natrix sipedon. 
Pl. 33 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 6). 
Figs. in Rep. 1906, p. 150, from Cope (p. 970, fig. 251). 
Elaphe obsoletus. 
- Pl. 34 in Rep. 1906, from Holbrook (Ed. 2, III, 1842, Pl. 19). 
Figs. in Rep. 1906, p. 154, from Cope (p. 845, fig. 104). 
Storeria occipito-maculata. 
Pl. 35 in Rep. 1906, from Jan (Icon. Ophid., II, livr. 30, Oct. 1868, Pl. 1, 
fie) |. 
Figs. in Rep. 1906, p. 156, from Cope (p. 1004, fig. 269). 
Storeria dekayi. 
Pl. 36 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 14). 
Figs. in Rep. 1906, p. 158, from Cope (p. 1001, fig. 268). 
Clonophis kirtlandii. 
Pl. 37 in Rep. 1906, from Jan (Icon Ophid., II, livr. 30, Oct., 1868, Pl. 1, 
ee 2). 
Figs. in Rep. 1906, p. 160, from Cope (p. 996, fig. 266). 
Figs. in Rep. 1906, p. 161, from Jan (1. c.). 
Opheodrys estivus. 
Pl. 38 in Rep. 1906, from Holbrook (Ed. 2, IV, 1842, Pl. 3). 
Figs. in Rep. 1906, p. 162, from Cope (p. 785, fig. 170). 
